diff options
Diffstat (limited to 'bug')
33 files changed, 505 insertions, 2102 deletions
@@ -2,277 +2,62 @@ package bug import ( - "encoding/json" "fmt" - "strings" - - "github.com/pkg/errors" "github.com/MichaelMure/git-bug/entity" + "github.com/MichaelMure/git-bug/entity/dag" "github.com/MichaelMure/git-bug/identity" "github.com/MichaelMure/git-bug/repository" - "github.com/MichaelMure/git-bug/util/lamport" ) -const bugsRefPattern = "refs/bugs/" -const bugsRemoteRefPattern = "refs/remotes/%s/bugs/" - -const opsEntryName = "ops" -const rootEntryName = "root" -const mediaEntryName = "media" - -const createClockEntryPrefix = "create-clock-" -const createClockEntryPattern = "create-clock-%d" -const editClockEntryPrefix = "edit-clock-" -const editClockEntryPattern = "edit-clock-%d" - -const creationClockName = "bug-create" -const editClockName = "bug-edit" - -var ErrBugNotExist = errors.New("bug doesn't exist") +var _ Interface = &Bug{} +var _ entity.Interface = &Bug{} -func NewErrMultipleMatchBug(matching []entity.Id) *entity.ErrMultipleMatch { - return entity.NewErrMultipleMatch("bug", matching) -} +// 1: original format +// 2: no more legacy identities +// 3: Ids are generated from the create operation serialized data instead of from the first git commit +// 4: with DAG entity framework +const formatVersion = 4 -func NewErrMultipleMatchOp(matching []entity.Id) *entity.ErrMultipleMatch { - return entity.NewErrMultipleMatch("operation", matching) +var def = dag.Definition{ + Typename: "bug", + Namespace: "bugs", + OperationUnmarshaler: operationUnmarshaller, + FormatVersion: formatVersion, } -var _ Interface = &Bug{} -var _ entity.Interface = &Bug{} +var ClockLoader = dag.ClockLoader(def) // Bug hold the data of a bug thread, organized in a way close to // how it will be persisted inside Git. This is the data structure // used to merge two different version of the same Bug. type Bug struct { - - // A Lamport clock is a logical clock that allow to order event - // inside a distributed system. - // It must be the first field in this struct due to https://github.com/golang/go/issues/599 - createTime lamport.Time - editTime lamport.Time - - // Id used as unique identifier - id entity.Id - - lastCommit repository.Hash - rootPack repository.Hash - - // all the committed operations - packs []OperationPack - - // a temporary pack of operations used for convenience to pile up new operations - // before a commit - staging OperationPack + *dag.Entity } // NewBug create a new Bug func NewBug() *Bug { - // No id yet - // No logical clock yet - return &Bug{} -} - -// ReadLocal will read a local bug from its hash -func ReadLocal(repo repository.ClockedRepo, id entity.Id) (*Bug, error) { - ref := bugsRefPattern + id.String() - return read(repo, identity.NewSimpleResolver(repo), ref) -} - -// ReadLocalWithResolver will read a local bug from its hash -func ReadLocalWithResolver(repo repository.ClockedRepo, identityResolver identity.Resolver, id entity.Id) (*Bug, error) { - ref := bugsRefPattern + id.String() - return read(repo, identityResolver, ref) -} - -// ReadRemote will read a remote bug from its hash -func ReadRemote(repo repository.ClockedRepo, remote string, id entity.Id) (*Bug, error) { - ref := fmt.Sprintf(bugsRemoteRefPattern, remote) + id.String() - return read(repo, identity.NewSimpleResolver(repo), ref) -} - -// ReadRemoteWithResolver will read a remote bug from its hash -func ReadRemoteWithResolver(repo repository.ClockedRepo, identityResolver identity.Resolver, remote string, id entity.Id) (*Bug, error) { - ref := fmt.Sprintf(bugsRemoteRefPattern, remote) + id.String() - return read(repo, identityResolver, ref) -} - -// read will read and parse a Bug from git -func read(repo repository.ClockedRepo, identityResolver identity.Resolver, ref string) (*Bug, error) { - refSplit := strings.Split(ref, "/") - id := entity.Id(refSplit[len(refSplit)-1]) - - if err := id.Validate(); err != nil { - return nil, errors.Wrap(err, "invalid ref ") - } - - hashes, err := repo.ListCommits(ref) - - // TODO: this is not perfect, it might be a command invoke error - if err != nil { - return nil, ErrBugNotExist - } - - bug := Bug{ - id: id, - editTime: 0, - } - - // Load each OperationPack - for _, hash := range hashes { - entries, err := repo.ReadTree(hash) - if err != nil { - return nil, errors.Wrap(err, "can't list git tree entries") - } - - bug.lastCommit = hash - - var opsEntry repository.TreeEntry - opsFound := false - var rootEntry repository.TreeEntry - rootFound := false - var createTime uint64 - var editTime uint64 - - for _, entry := range entries { - if entry.Name == opsEntryName { - opsEntry = entry - opsFound = true - continue - } - if entry.Name == rootEntryName { - rootEntry = entry - rootFound = true - } - if strings.HasPrefix(entry.Name, createClockEntryPrefix) { - n, err := fmt.Sscanf(entry.Name, createClockEntryPattern, &createTime) - if err != nil { - return nil, errors.Wrap(err, "can't read create lamport time") - } - if n != 1 { - return nil, fmt.Errorf("could not parse create time lamport value") - } - } - if strings.HasPrefix(entry.Name, editClockEntryPrefix) { - n, err := fmt.Sscanf(entry.Name, editClockEntryPattern, &editTime) - if err != nil { - return nil, errors.Wrap(err, "can't read edit lamport time") - } - if n != 1 { - return nil, fmt.Errorf("could not parse edit time lamport value") - } - } - } - - if !opsFound { - return nil, errors.New("invalid tree, missing the ops entry") - } - if !rootFound { - return nil, errors.New("invalid tree, missing the root entry") - } - - if bug.rootPack == "" { - bug.rootPack = rootEntry.Hash - bug.createTime = lamport.Time(createTime) - } - - // Due to rebase, edit Lamport time are not necessarily ordered - if editTime > uint64(bug.editTime) { - bug.editTime = lamport.Time(editTime) - } - - // Update the clocks - createClock, err := repo.GetOrCreateClock(creationClockName) - if err != nil { - return nil, err - } - if err := createClock.Witness(bug.createTime); err != nil { - return nil, errors.Wrap(err, "failed to update create lamport clock") - } - editClock, err := repo.GetOrCreateClock(editClockName) - if err != nil { - return nil, err - } - if err := editClock.Witness(bug.editTime); err != nil { - return nil, errors.Wrap(err, "failed to update edit lamport clock") - } - - data, err := repo.ReadData(opsEntry.Hash) - if err != nil { - return nil, errors.Wrap(err, "failed to read git blob data") - } - - opp := &OperationPack{} - err = json.Unmarshal(data, &opp) - - if err != nil { - return nil, errors.Wrap(err, "failed to decode OperationPack json") - } - - // tag the pack with the commit hash - opp.commitHash = hash - - bug.packs = append(bug.packs, *opp) + return &Bug{ + Entity: dag.New(def), } +} - // Make sure that the identities are properly loaded - err = bug.EnsureIdentities(identityResolver) +// Read will read a bug from a repository +func Read(repo repository.ClockedRepo, id entity.Id) (*Bug, error) { + e, err := dag.Read(def, repo, identity.NewSimpleResolver(repo), id) if err != nil { return nil, err } - - return &bug, nil + return &Bug{Entity: e}, nil } -// RemoveBug will remove a local bug from its entity.Id -func RemoveBug(repo repository.ClockedRepo, id entity.Id) error { - var fullMatches []string - - refs, err := repo.ListRefs(bugsRefPattern + id.String()) - if err != nil { - return err - } - if len(refs) > 1 { - return NewErrMultipleMatchBug(entity.RefsToIds(refs)) - } - if len(refs) == 1 { - // we have the bug locally - fullMatches = append(fullMatches, refs[0]) - } - - remotes, err := repo.GetRemotes() +// ReadWithResolver will read a bug from its Id, with a custom identity.Resolver +func ReadWithResolver(repo repository.ClockedRepo, identityResolver identity.Resolver, id entity.Id) (*Bug, error) { + e, err := dag.Read(def, repo, identityResolver, id) if err != nil { - return err - } - - for remote := range remotes { - remotePrefix := fmt.Sprintf(bugsRemoteRefPattern+id.String(), remote) - remoteRefs, err := repo.ListRefs(remotePrefix) - if err != nil { - return err - } - if len(remoteRefs) > 1 { - return NewErrMultipleMatchBug(entity.RefsToIds(refs)) - } - if len(remoteRefs) == 1 { - // found the bug in a remote - fullMatches = append(fullMatches, remoteRefs[0]) - } - } - - if len(fullMatches) == 0 { - return ErrBugNotExist - } - - for _, ref := range fullMatches { - err = repo.RemoveRef(ref) - if err != nil { - return err - } + return nil, err } - - return nil + return &Bug{Entity: e}, nil } type StreamedBug struct { @@ -280,50 +65,33 @@ type StreamedBug struct { Err error } -// ReadAllLocal read and parse all local bugs -func ReadAllLocal(repo repository.ClockedRepo) <-chan StreamedBug { - return readAll(repo, identity.NewSimpleResolver(repo), bugsRefPattern) -} - -// ReadAllLocalWithResolver read and parse all local bugs -func ReadAllLocalWithResolver(repo repository.ClockedRepo, identityResolver identity.Resolver) <-chan StreamedBug { - return readAll(repo, identityResolver, bugsRefPattern) -} - -// ReadAllRemote read and parse all remote bugs for a given remote -func ReadAllRemote(repo repository.ClockedRepo, remote string) <-chan StreamedBug { - refPrefix := fmt.Sprintf(bugsRemoteRefPattern, remote) - return readAll(repo, identity.NewSimpleResolver(repo), refPrefix) +// ReadAll read and parse all local bugs +func ReadAll(repo repository.ClockedRepo) <-chan StreamedBug { + return readAll(repo, identity.NewSimpleResolver(repo)) } -// ReadAllRemoteWithResolver read and parse all remote bugs for a given remote -func ReadAllRemoteWithResolver(repo repository.ClockedRepo, identityResolver identity.Resolver, remote string) <-chan StreamedBug { - refPrefix := fmt.Sprintf(bugsRemoteRefPattern, remote) - return readAll(repo, identityResolver, refPrefix) +// ReadAllWithResolver read and parse all local bugs +func ReadAllWithResolver(repo repository.ClockedRepo, identityResolver identity.Resolver) <-chan StreamedBug { + return readAll(repo, identityResolver) } // Read and parse all available bug with a given ref prefix -func readAll(repo repository.ClockedRepo, identityResolver identity.Resolver, refPrefix string) <-chan StreamedBug { +func readAll(repo repository.ClockedRepo, identityResolver identity.Resolver) <-chan StreamedBug { out := make(chan StreamedBug) go func() { defer close(out) - refs, err := repo.ListRefs(refPrefix) - if err != nil { - out <- StreamedBug{Err: err} - return - } - - for _, ref := range refs { - b, err := read(repo, identityResolver, ref) - - if err != nil { - out <- StreamedBug{Err: err} - return + for streamedEntity := range dag.ReadAll(def, repo, identityResolver) { + if streamedEntity.Err != nil { + out <- StreamedBug{ + Err: streamedEntity.Err, + } + } else { + out <- StreamedBug{ + Bug: &Bug{Entity: streamedEntity.Entity}, + } } - - out <- StreamedBug{Bug: b} } }() @@ -332,399 +100,78 @@ func readAll(repo repository.ClockedRepo, identityResolver identity.Resolver, re // ListLocalIds list all the available local bug ids func ListLocalIds(repo repository.Repo) ([]entity.Id, error) { - refs, err := repo.ListRefs(bugsRefPattern) - if err != nil { - return nil, err - } - - return entity.RefsToIds(refs), nil + return dag.ListLocalIds(def, repo) } // Validate check if the Bug data is valid func (bug *Bug) Validate() error { - // non-empty - if len(bug.packs) == 0 && bug.staging.IsEmpty() { - return fmt.Errorf("bug has no operations") - } - - // check if each pack and operations are valid - for _, pack := range bug.packs { - if err := pack.Validate(); err != nil { - return err - } - } - - // check if staging is valid if needed - if !bug.staging.IsEmpty() { - if err := bug.staging.Validate(); err != nil { - return errors.Wrap(err, "staging") - } + if err := bug.Entity.Validate(); err != nil { + return err } // The very first Op should be a CreateOp firstOp := bug.FirstOp() - if firstOp == nil || firstOp.base().OperationType != CreateOp { + if firstOp == nil || firstOp.Type() != CreateOp { return fmt.Errorf("first operation should be a Create op") } - // The bug Id should be the hash of the first commit - if len(bug.packs) > 0 && string(bug.packs[0].commitHash) != bug.id.String() { - return fmt.Errorf("bug id should be the first commit hash") - } - // Check that there is no more CreateOp op - // Check that there is no colliding operation's ID - it := NewOperationIterator(bug) - createCount := 0 - ids := make(map[entity.Id]struct{}) - for it.Next() { - if it.Value().base().OperationType == CreateOp { - createCount++ + for i, op := range bug.Operations() { + if i == 0 { + continue } - if _, ok := ids[it.Value().Id()]; ok { - return fmt.Errorf("id collision: %s", it.Value().Id()) + if op.Type() == CreateOp { + return fmt.Errorf("only one Create op allowed") } - ids[it.Value().Id()] = struct{}{} - } - - if createCount != 1 { - return fmt.Errorf("only one Create op allowed") } return nil } -// Append an operation into the staging area, to be committed later +// Append add a new Operation to the Bug func (bug *Bug) Append(op Operation) { - bug.staging.Append(op) + bug.Entity.Append(op) } -// Commit write the staging area in Git and move the operations to the packs -func (bug *Bug) Commit(repo repository.ClockedRepo) error { - - if !bug.NeedCommit() { - return fmt.Errorf("can't commit a bug with no pending operation") - } - - if err := bug.Validate(); err != nil { - return errors.Wrap(err, "can't commit a bug with invalid data") +// Operations return the ordered operations +func (bug *Bug) Operations() []Operation { + source := bug.Entity.Operations() + result := make([]Operation, len(source)) + for i, op := range source { + result[i] = op.(Operation) } - - // Write the Ops as a Git blob containing the serialized array - hash, err := bug.staging.Write(repo) - if err != nil { - return err - } - - if bug.rootPack == "" { - bug.rootPack = hash - } - - // Make a Git tree referencing this blob - tree := []repository.TreeEntry{ - // the last pack of ops - {ObjectType: repository.Blob, Hash: hash, Name: opsEntryName}, - // always the first pack of ops (might be the same) - {ObjectType: repository.Blob, Hash: bug.rootPack, Name: rootEntryName}, - } - - // Reference, if any, all the files required by the ops - // Git will check that they actually exist in the storage and will make sure - // to push/pull them as needed. - mediaTree := makeMediaTree(bug.staging) - if len(mediaTree) > 0 { - mediaTreeHash, err := repo.StoreTree(mediaTree) - if err != nil { - return err - } - tree = append(tree, repository.TreeEntry{ - ObjectType: repository.Tree, - Hash: mediaTreeHash, - Name: mediaEntryName, - }) - } - - // Store the logical clocks as well - // --> edit clock for each OperationPack/commits - // --> create clock only for the first OperationPack/commits - // - // To avoid having one blob for each clock value, clocks are serialized - // directly into the entry name - emptyBlobHash, err := repo.StoreData([]byte{}) - if err != nil { - return err - } - - editClock, err := repo.GetOrCreateClock(editClockName) - if err != nil { - return err - } - bug.editTime, err = editClock.Increment() - if err != nil { - return err - } - - tree = append(tree, repository.TreeEntry{ - ObjectType: repository.Blob, - Hash: emptyBlobHash, - Name: fmt.Sprintf(editClockEntryPattern, bug.editTime), - }) - if bug.lastCommit == "" { - createClock, err := repo.GetOrCreateClock(creationClockName) - if err != nil { - return err - } - bug.createTime, err = createClock.Increment() - if err != nil { - return err - } - - tree = append(tree, repository.TreeEntry{ - ObjectType: repository.Blob, - Hash: emptyBlobHash, - Name: fmt.Sprintf(createClockEntryPattern, bug.createTime), - }) - } - - // Store the tree - hash, err = repo.StoreTree(tree) - if err != nil { - return err - } - - // Write a Git commit referencing the tree, with the previous commit as parent - if bug.lastCommit != "" { - hash, err = repo.StoreCommitWithParent(hash, bug.lastCommit) - } else { - hash, err = repo.StoreCommit(hash) - } - - if err != nil { - return err - } - - bug.lastCommit = hash - - // if it was the first commit, use the commit hash as bug id - if bug.id == "" { - bug.id = entity.Id(hash) - } - - // Create or update the Git reference for this bug - // When pushing later, the remote will ensure that this ref update - // is fast-forward, that is no data has been overwritten - ref := fmt.Sprintf("%s%s", bugsRefPattern, bug.id) - err = repo.UpdateRef(ref, hash) - - if err != nil { - return err - } - - bug.staging.commitHash = hash - bug.packs = append(bug.packs, bug.staging) - bug.staging = OperationPack{} - - return nil -} - -func (bug *Bug) CommitAsNeeded(repo repository.ClockedRepo) error { - if !bug.NeedCommit() { - return nil - } - return bug.Commit(repo) -} - -func (bug *Bug) NeedCommit() bool { - return !bug.staging.IsEmpty() + return result } -func makeMediaTree(pack OperationPack) []repository.TreeEntry { - var tree []repository.TreeEntry - counter := 0 - added := make(map[repository.Hash]interface{}) - - for _, ops := range pack.Operations { - for _, file := range ops.GetFiles() { - if _, has := added[file]; !has { - tree = append(tree, repository.TreeEntry{ - ObjectType: repository.Blob, - Hash: file, - // The name is not important here, we only need to - // reference the blob. - Name: fmt.Sprintf("file%d", counter), - }) - counter++ - added[file] = struct{}{} - } - } - } - - return tree -} - -// Merge a different version of the same bug by rebasing operations of this bug -// that are not present in the other on top of the chain of operations of the -// other version. -func (bug *Bug) Merge(repo repository.Repo, other Interface) (bool, error) { - var otherBug = bugFromInterface(other) - - // Note: a faster merge should be possible without actually reading and parsing - // all operations pack of our side. - // Reading the other side is still necessary to validate remote data, at least - // for new operations - - if bug.id != otherBug.id { - return false, errors.New("merging unrelated bugs is not supported") - } - - if len(otherBug.staging.Operations) > 0 { - return false, errors.New("merging a bug with a non-empty staging is not supported") - } - - if bug.lastCommit == "" || otherBug.lastCommit == "" { - return false, errors.New("can't merge a bug that has never been stored") - } - - ancestor, err := repo.FindCommonAncestor(bug.lastCommit, otherBug.lastCommit) - if err != nil { - return false, errors.Wrap(err, "can't find common ancestor") - } - - ancestorIndex := 0 - newPacks := make([]OperationPack, 0, len(bug.packs)) - - // Find the root of the rebase - for i, pack := range bug.packs { - newPacks = append(newPacks, pack) - - if pack.commitHash == ancestor { - ancestorIndex = i - break - } - } - - if len(otherBug.packs) == ancestorIndex+1 { - // Nothing to rebase, return early - return false, nil - } - - // get other bug's extra packs - for i := ancestorIndex + 1; i < len(otherBug.packs); i++ { - // clone is probably not necessary - newPack := otherBug.packs[i].Clone() - - newPacks = append(newPacks, newPack) - bug.lastCommit = newPack.commitHash - } - - // rebase our extra packs - for i := ancestorIndex + 1; i < len(bug.packs); i++ { - pack := bug.packs[i] - - // get the referenced git tree - treeHash, err := repo.GetTreeHash(pack.commitHash) - - if err != nil { - return false, err - } - - // create a new commit with the correct ancestor - hash, err := repo.StoreCommitWithParent(treeHash, bug.lastCommit) - - if err != nil { - return false, err - } - - // replace the pack - newPack := pack.Clone() - newPack.commitHash = hash - newPacks = append(newPacks, newPack) - - // update the bug - bug.lastCommit = hash - } - - bug.packs = newPacks - - // Update the git ref - err = repo.UpdateRef(bugsRefPattern+bug.id.String(), bug.lastCommit) - if err != nil { - return false, err +// Compile a bug in a easily usable snapshot +func (bug *Bug) Compile() Snapshot { + snap := Snapshot{ + id: bug.Id(), + Status: OpenStatus, } - return true, nil -} - -// Id return the Bug identifier -func (bug *Bug) Id() entity.Id { - if bug.id == "" { - // simply panic as it would be a coding error - // (using an id of a bug not stored yet) - panic("no id yet") + for _, op := range bug.Operations() { + op.Apply(&snap) + snap.Operations = append(snap.Operations, op) } - return bug.id -} - -// CreateLamportTime return the Lamport time of creation -func (bug *Bug) CreateLamportTime() lamport.Time { - return bug.createTime -} -// EditLamportTime return the Lamport time of the last edit -func (bug *Bug) EditLamportTime() lamport.Time { - return bug.editTime + return snap } // Lookup for the very first operation of the bug. // For a valid Bug, this operation should be a CreateOp func (bug *Bug) FirstOp() Operation { - for _, pack := range bug.packs { - for _, op := range pack.Operations { - return op - } - } - - if !bug.staging.IsEmpty() { - return bug.staging.Operations[0] + if fo := bug.Entity.FirstOp(); fo != nil { + return fo.(Operation) } - return nil } // Lookup for the very last operation of the bug. // For a valid Bug, should never be nil func (bug *Bug) LastOp() Operation { - if !bug.staging.IsEmpty() { - return bug.staging.Operations[len(bug.staging.Operations)-1] - } - - if len(bug.packs) == 0 { - return nil - } - - lastPack := bug.packs[len(bug.packs)-1] - - if len(lastPack.Operations) == 0 { - return nil - } - - return lastPack.Operations[len(lastPack.Operations)-1] -} - -// Compile a bug in a easily usable snapshot -func (bug *Bug) Compile() Snapshot { - snap := Snapshot{ - id: bug.id, - Status: OpenStatus, + if lo := bug.Entity.LastOp(); lo != nil { + return lo.(Operation) } - - it := NewOperationIterator(bug) - - for it.Next() { - op := it.Value() - op.Apply(&snap) - snap.Operations = append(snap.Operations, op) - } - - return snap + return nil } diff --git a/bug/bug_actions.go b/bug/bug_actions.go index 21ce3733..420fb08a 100644 --- a/bug/bug_actions.go +++ b/bug/bug_actions.go @@ -1,42 +1,34 @@ package bug import ( - "fmt" - "strings" + "github.com/pkg/errors" "github.com/MichaelMure/git-bug/entity" + "github.com/MichaelMure/git-bug/entity/dag" "github.com/MichaelMure/git-bug/identity" "github.com/MichaelMure/git-bug/repository" - "github.com/pkg/errors" ) // Fetch retrieve updates from a remote // This does not change the local bugs state func Fetch(repo repository.Repo, remote string) (string, error) { - // "refs/bugs/*:refs/remotes/<remote>>/bugs/*" - remoteRefSpec := fmt.Sprintf(bugsRemoteRefPattern, remote) - fetchRefSpec := fmt.Sprintf("%s*:%s*", bugsRefPattern, remoteRefSpec) - - return repo.FetchRefs(remote, fetchRefSpec) + return dag.Fetch(def, repo, remote) } // Push update a remote with the local changes func Push(repo repository.Repo, remote string) (string, error) { - // "refs/bugs/*:refs/bugs/*" - refspec := fmt.Sprintf("%s*:%s*", bugsRefPattern, bugsRefPattern) - - return repo.PushRefs(remote, refspec) + return dag.Push(def, repo, remote) } // Pull will do a Fetch + MergeAll // This function will return an error if a merge fail -func Pull(repo repository.ClockedRepo, remote string) error { +func Pull(repo repository.ClockedRepo, remote string, author identity.Interface) error { _, err := Fetch(repo, remote) if err != nil { return err } - for merge := range MergeAll(repo, remote) { + for merge := range MergeAll(repo, remote, author) { if merge.Err != nil { return merge.Err } @@ -48,96 +40,38 @@ func Pull(repo repository.ClockedRepo, remote string) error { return nil } -// MergeAll will merge all the available remote bug: -// -// - If the remote has new commit, the local bug is updated to match the same history -// (fast-forward update) -// - if the local bug has new commits but the remote don't, nothing is changed -// - if both local and remote bug have new commits (that is, we have a concurrent edition), -// new local commits are rewritten at the head of the remote history (that is, a rebase) -func MergeAll(repo repository.ClockedRepo, remote string) <-chan entity.MergeResult { - out := make(chan entity.MergeResult) - +// MergeAll will merge all the available remote bug +// Note: an author is necessary for the case where a merge commit is created, as this commit will +// have an author and may be signed if a signing key is available. +func MergeAll(repo repository.ClockedRepo, remote string, author identity.Interface) <-chan entity.MergeResult { // no caching for the merge, we load everything from git even if that means multiple // copy of the same entity in memory. The cache layer will intercept the results to // invalidate entities if necessary. identityResolver := identity.NewSimpleResolver(repo) + out := make(chan entity.MergeResult) + go func() { defer close(out) - remoteRefSpec := fmt.Sprintf(bugsRemoteRefPattern, remote) - remoteRefs, err := repo.ListRefs(remoteRefSpec) + results := dag.MergeAll(def, repo, identityResolver, remote, author) - if err != nil { - out <- entity.MergeResult{Err: err} - return - } - - for _, remoteRef := range remoteRefs { - refSplit := strings.Split(remoteRef, "/") - id := entity.Id(refSplit[len(refSplit)-1]) - - if err := id.Validate(); err != nil { - out <- entity.NewMergeInvalidStatus(id, errors.Wrap(err, "invalid ref").Error()) - continue - } - - remoteBug, err := read(repo, identityResolver, remoteRef) - - if err != nil { - out <- entity.NewMergeInvalidStatus(id, errors.Wrap(err, "remote bug is not readable").Error()) - continue - } - - // Check for error in remote data - if err := remoteBug.Validate(); err != nil { - out <- entity.NewMergeInvalidStatus(id, errors.Wrap(err, "remote bug is invalid").Error()) - continue - } - - localRef := bugsRefPattern + remoteBug.Id().String() - localExist, err := repo.RefExist(localRef) - - if err != nil { - out <- entity.NewMergeError(err, id) - continue - } - - // the bug is not local yet, simply create the reference - if !localExist { - err := repo.CopyRef(remoteRef, localRef) - - if err != nil { - out <- entity.NewMergeError(err, id) - return + // wrap the dag.Entity into a complete Bug + for result := range results { + result := result + if result.Entity != nil { + result.Entity = &Bug{ + Entity: result.Entity.(*dag.Entity), } - - out <- entity.NewMergeStatus(entity.MergeStatusNew, id, remoteBug) - continue - } - - localBug, err := read(repo, identityResolver, localRef) - - if err != nil { - out <- entity.NewMergeError(errors.Wrap(err, "local bug is not readable"), id) - return - } - - updated, err := localBug.Merge(repo, remoteBug) - - if err != nil { - out <- entity.NewMergeInvalidStatus(id, errors.Wrap(err, "merge failed").Error()) - return - } - - if updated { - out <- entity.NewMergeStatus(entity.MergeStatusUpdated, id, localBug) - } else { - out <- entity.NewMergeStatus(entity.MergeStatusNothing, id, localBug) } + out <- result } }() return out } + +// RemoveBug will remove a local bug from its entity.Id +func RemoveBug(repo repository.ClockedRepo, id entity.Id) error { + return dag.Remove(def, repo, id) +} diff --git a/bug/bug_actions_test.go b/bug/bug_actions_test.go deleted file mode 100644 index df35a5e5..00000000 --- a/bug/bug_actions_test.go +++ /dev/null @@ -1,390 +0,0 @@ -package bug - -import ( - "testing" - "time" - - "github.com/stretchr/testify/assert" - "github.com/stretchr/testify/require" - - "github.com/MichaelMure/git-bug/identity" - "github.com/MichaelMure/git-bug/repository" -) - -func TestPushPull(t *testing.T) { - repoA, repoB, remote := repository.SetupReposAndRemote() - defer repository.CleanupTestRepos(repoA, repoB, remote) - - reneA := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := reneA.Commit(repoA) - require.NoError(t, err) - - bug1, _, err := Create(reneA, time.Now().Unix(), "bug1", "message") - require.NoError(t, err) - assert.True(t, bug1.NeedCommit()) - err = bug1.Commit(repoA) - require.NoError(t, err) - assert.False(t, bug1.NeedCommit()) - - // distribute the identity - _, err = identity.Push(repoA, "origin") - require.NoError(t, err) - err = identity.Pull(repoB, "origin") - require.NoError(t, err) - - // A --> remote --> B - _, err = Push(repoA, "origin") - require.NoError(t, err) - - err = Pull(repoB, "origin") - require.NoError(t, err) - - bugs := allBugs(t, ReadAllLocal(repoB)) - - if len(bugs) != 1 { - t.Fatal("Unexpected number of bugs") - } - - // B --> remote --> A - reneB, err := identity.ReadLocal(repoA, reneA.Id()) - require.NoError(t, err) - - bug2, _, err := Create(reneB, time.Now().Unix(), "bug2", "message") - require.NoError(t, err) - err = bug2.Commit(repoB) - require.NoError(t, err) - - _, err = Push(repoB, "origin") - require.NoError(t, err) - - err = Pull(repoA, "origin") - require.NoError(t, err) - - bugs = allBugs(t, ReadAllLocal(repoA)) - - if len(bugs) != 2 { - t.Fatal("Unexpected number of bugs") - } -} - -func allBugs(t testing.TB, bugs <-chan StreamedBug) []*Bug { - var result []*Bug - for streamed := range bugs { - if streamed.Err != nil { - t.Fatal(streamed.Err) - } - result = append(result, streamed.Bug) - } - return result -} - -func TestRebaseTheirs(t *testing.T) { - _RebaseTheirs(t) -} - -func BenchmarkRebaseTheirs(b *testing.B) { - for n := 0; n < b.N; n++ { - _RebaseTheirs(b) - } -} - -func _RebaseTheirs(t testing.TB) { - repoA, repoB, remote := repository.SetupReposAndRemote() - defer repository.CleanupTestRepos(repoA, repoB, remote) - - reneA := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := reneA.Commit(repoA) - require.NoError(t, err) - - bug1, _, err := Create(reneA, time.Now().Unix(), "bug1", "message") - require.NoError(t, err) - assert.True(t, bug1.NeedCommit()) - err = bug1.Commit(repoA) - require.NoError(t, err) - assert.False(t, bug1.NeedCommit()) - - // distribute the identity - _, err = identity.Push(repoA, "origin") - require.NoError(t, err) - err = identity.Pull(repoB, "origin") - require.NoError(t, err) - - // A --> remote - - _, err = Push(repoA, "origin") - require.NoError(t, err) - - // remote --> B - err = Pull(repoB, "origin") - require.NoError(t, err) - - bug2, err := ReadLocal(repoB, bug1.Id()) - require.NoError(t, err) - assert.False(t, bug2.NeedCommit()) - - reneB, err := identity.ReadLocal(repoA, reneA.Id()) - require.NoError(t, err) - - _, err = AddComment(bug2, reneB, time.Now().Unix(), "message2") - require.NoError(t, err) - assert.True(t, bug2.NeedCommit()) - _, err = AddComment(bug2, reneB, time.Now().Unix(), "message3") - require.NoError(t, err) - _, err = AddComment(bug2, reneB, time.Now().Unix(), "message4") - require.NoError(t, err) - err = bug2.Commit(repoB) - require.NoError(t, err) - assert.False(t, bug2.NeedCommit()) - - // B --> remote - _, err = Push(repoB, "origin") - require.NoError(t, err) - - // remote --> A - err = Pull(repoA, "origin") - require.NoError(t, err) - - bugs := allBugs(t, ReadAllLocal(repoB)) - - if len(bugs) != 1 { - t.Fatal("Unexpected number of bugs") - } - - bug3, err := ReadLocal(repoA, bug1.Id()) - require.NoError(t, err) - - if nbOps(bug3) != 4 { - t.Fatal("Unexpected number of operations") - } -} - -func TestRebaseOurs(t *testing.T) { - _RebaseOurs(t) -} - -func BenchmarkRebaseOurs(b *testing.B) { - for n := 0; n < b.N; n++ { - _RebaseOurs(b) - } -} - -func _RebaseOurs(t testing.TB) { - repoA, repoB, remote := repository.SetupReposAndRemote() - defer repository.CleanupTestRepos(repoA, repoB, remote) - - reneA := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := reneA.Commit(repoA) - require.NoError(t, err) - - bug1, _, err := Create(reneA, time.Now().Unix(), "bug1", "message") - require.NoError(t, err) - err = bug1.Commit(repoA) - require.NoError(t, err) - - // distribute the identity - _, err = identity.Push(repoA, "origin") - require.NoError(t, err) - err = identity.Pull(repoB, "origin") - require.NoError(t, err) - - // A --> remote - _, err = Push(repoA, "origin") - require.NoError(t, err) - - // remote --> B - err = Pull(repoB, "origin") - require.NoError(t, err) - - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message2") - require.NoError(t, err) - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message3") - require.NoError(t, err) - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message4") - require.NoError(t, err) - err = bug1.Commit(repoA) - require.NoError(t, err) - - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message5") - require.NoError(t, err) - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message6") - require.NoError(t, err) - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message7") - require.NoError(t, err) - err = bug1.Commit(repoA) - require.NoError(t, err) - - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message8") - require.NoError(t, err) - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message9") - require.NoError(t, err) - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message10") - require.NoError(t, err) - err = bug1.Commit(repoA) - require.NoError(t, err) - - // remote --> A - err = Pull(repoA, "origin") - require.NoError(t, err) - - bugs := allBugs(t, ReadAllLocal(repoA)) - - if len(bugs) != 1 { - t.Fatal("Unexpected number of bugs") - } - - bug2, err := ReadLocal(repoA, bug1.Id()) - require.NoError(t, err) - - if nbOps(bug2) != 10 { - t.Fatal("Unexpected number of operations") - } -} - -func nbOps(b *Bug) int { - it := NewOperationIterator(b) - counter := 0 - for it.Next() { - counter++ - } - return counter -} - -func TestRebaseConflict(t *testing.T) { - _RebaseConflict(t) -} - -func BenchmarkRebaseConflict(b *testing.B) { - for n := 0; n < b.N; n++ { - _RebaseConflict(b) - } -} - -func _RebaseConflict(t testing.TB) { - repoA, repoB, remote := repository.SetupReposAndRemote() - defer repository.CleanupTestRepos(repoA, repoB, remote) - - reneA := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := reneA.Commit(repoA) - require.NoError(t, err) - - bug1, _, err := Create(reneA, time.Now().Unix(), "bug1", "message") - require.NoError(t, err) - err = bug1.Commit(repoA) - require.NoError(t, err) - - // distribute the identity - _, err = identity.Push(repoA, "origin") - require.NoError(t, err) - err = identity.Pull(repoB, "origin") - require.NoError(t, err) - - // A --> remote - _, err = Push(repoA, "origin") - require.NoError(t, err) - - // remote --> B - err = Pull(repoB, "origin") - require.NoError(t, err) - - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message2") - require.NoError(t, err) - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message3") - require.NoError(t, err) - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message4") - require.NoError(t, err) - err = bug1.Commit(repoA) - require.NoError(t, err) - - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message5") - require.NoError(t, err) - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message6") - require.NoError(t, err) - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message7") - require.NoError(t, err) - err = bug1.Commit(repoA) - require.NoError(t, err) - - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message8") - require.NoError(t, err) - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message9") - require.NoError(t, err) - _, err = AddComment(bug1, reneA, time.Now().Unix(), "message10") - require.NoError(t, err) - err = bug1.Commit(repoA) - require.NoError(t, err) - - bug2, err := ReadLocal(repoB, bug1.Id()) - require.NoError(t, err) - - reneB, err := identity.ReadLocal(repoA, reneA.Id()) - require.NoError(t, err) - - _, err = AddComment(bug2, reneB, time.Now().Unix(), "message11") - require.NoError(t, err) - _, err = AddComment(bug2, reneB, time.Now().Unix(), "message12") - require.NoError(t, err) - _, err = AddComment(bug2, reneB, time.Now().Unix(), "message13") - require.NoError(t, err) - err = bug2.Commit(repoB) - require.NoError(t, err) - - _, err = AddComment(bug2, reneB, time.Now().Unix(), "message14") - require.NoError(t, err) - _, err = AddComment(bug2, reneB, time.Now().Unix(), "message15") - require.NoError(t, err) - _, err = AddComment(bug2, reneB, time.Now().Unix(), "message16") - require.NoError(t, err) - err = bug2.Commit(repoB) - require.NoError(t, err) - - _, err = AddComment(bug2, reneB, time.Now().Unix(), "message17") - require.NoError(t, err) - _, err = AddComment(bug2, reneB, time.Now().Unix(), "message18") - require.NoError(t, err) - _, err = AddComment(bug2, reneB, time.Now().Unix(), "message19") - require.NoError(t, err) - err = bug2.Commit(repoB) - require.NoError(t, err) - - // A --> remote - _, err = Push(repoA, "origin") - require.NoError(t, err) - - // remote --> B - err = Pull(repoB, "origin") - require.NoError(t, err) - - bugs := allBugs(t, ReadAllLocal(repoB)) - - if len(bugs) != 1 { - t.Fatal("Unexpected number of bugs") - } - - bug3, err := ReadLocal(repoB, bug1.Id()) - require.NoError(t, err) - - if nbOps(bug3) != 19 { - t.Fatal("Unexpected number of operations") - } - - // B --> remote - _, err = Push(repoB, "origin") - require.NoError(t, err) - - // remote --> A - err = Pull(repoA, "origin") - require.NoError(t, err) - - bugs = allBugs(t, ReadAllLocal(repoA)) - - if len(bugs) != 1 { - t.Fatal("Unexpected number of bugs") - } - - bug4, err := ReadLocal(repoA, bug1.Id()) - require.NoError(t, err) - - if nbOps(bug4) != 19 { - t.Fatal("Unexpected number of operations") - } -} diff --git a/bug/bug_test.go b/bug/bug_test.go deleted file mode 100644 index 6363f4e9..00000000 --- a/bug/bug_test.go +++ /dev/null @@ -1,186 +0,0 @@ -package bug - -import ( - "fmt" - "testing" - "time" - - "github.com/stretchr/testify/require" - - "github.com/MichaelMure/git-bug/identity" - "github.com/MichaelMure/git-bug/repository" -) - -func TestBugId(t *testing.T) { - mockRepo := repository.NewMockRepoForTest() - - bug1 := NewBug() - - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(mockRepo) - require.NoError(t, err) - - createOp := NewCreateOp(rene, time.Now().Unix(), "title", "message", nil) - - bug1.Append(createOp) - - err = bug1.Commit(mockRepo) - - if err != nil { - t.Fatal(err) - } - - bug1.Id() -} - -func TestBugValidity(t *testing.T) { - mockRepo := repository.NewMockRepoForTest() - - bug1 := NewBug() - - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(mockRepo) - require.NoError(t, err) - - createOp := NewCreateOp(rene, time.Now().Unix(), "title", "message", nil) - - if bug1.Validate() == nil { - t.Fatal("Empty bug should be invalid") - } - - bug1.Append(createOp) - - if bug1.Validate() != nil { - t.Fatal("Bug with just a CreateOp should be valid") - } - - err = bug1.Commit(mockRepo) - if err != nil { - t.Fatal(err) - } - - bug1.Append(createOp) - - if bug1.Validate() == nil { - t.Fatal("Bug with multiple CreateOp should be invalid") - } - - err = bug1.Commit(mockRepo) - if err == nil { - t.Fatal("Invalid bug should not commit") - } -} - -func TestBugCommitLoad(t *testing.T) { - repo := repository.NewMockRepoForTest() - - bug1 := NewBug() - - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(repo) - require.NoError(t, err) - - createOp := NewCreateOp(rene, time.Now().Unix(), "title", "message", nil) - setTitleOp := NewSetTitleOp(rene, time.Now().Unix(), "title2", "title1") - addCommentOp := NewAddCommentOp(rene, time.Now().Unix(), "message2", nil) - - bug1.Append(createOp) - bug1.Append(setTitleOp) - - require.True(t, bug1.NeedCommit()) - - err = bug1.Commit(repo) - require.Nil(t, err) - require.False(t, bug1.NeedCommit()) - - bug2, err := ReadLocal(repo, bug1.Id()) - require.NoError(t, err) - equivalentBug(t, bug1, bug2) - - // add more op - - bug1.Append(addCommentOp) - - require.True(t, bug1.NeedCommit()) - - err = bug1.Commit(repo) - require.Nil(t, err) - require.False(t, bug1.NeedCommit()) - - bug3, err := ReadLocal(repo, bug1.Id()) - require.NoError(t, err) - equivalentBug(t, bug1, bug3) -} - -func equivalentBug(t *testing.T, expected, actual *Bug) { - require.Equal(t, len(expected.packs), len(actual.packs)) - - for i := range expected.packs { - for j := range expected.packs[i].Operations { - actual.packs[i].Operations[j].base().id = expected.packs[i].Operations[j].base().id - } - } - - require.Equal(t, expected, actual) -} - -func TestBugRemove(t *testing.T) { - repo := repository.CreateGoGitTestRepo(false) - remoteA := repository.CreateGoGitTestRepo(true) - remoteB := repository.CreateGoGitTestRepo(true) - defer repository.CleanupTestRepos(repo, remoteA, remoteB) - - err := repo.AddRemote("remoteA", remoteA.GetLocalRemote()) - require.NoError(t, err) - - err = repo.AddRemote("remoteB", remoteB.GetLocalRemote()) - require.NoError(t, err) - - // generate a bunch of bugs - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err = rene.Commit(repo) - require.NoError(t, err) - - for i := 0; i < 100; i++ { - b := NewBug() - createOp := NewCreateOp(rene, time.Now().Unix(), "title", fmt.Sprintf("message%v", i), nil) - b.Append(createOp) - err = b.Commit(repo) - require.NoError(t, err) - } - - // and one more for testing - b := NewBug() - createOp := NewCreateOp(rene, time.Now().Unix(), "title", "message", nil) - b.Append(createOp) - err = b.Commit(repo) - require.NoError(t, err) - - _, err = Push(repo, "remoteA") - require.NoError(t, err) - - _, err = Push(repo, "remoteB") - require.NoError(t, err) - - _, err = Fetch(repo, "remoteA") - require.NoError(t, err) - - _, err = Fetch(repo, "remoteB") - require.NoError(t, err) - - err = RemoveBug(repo, b.Id()) - require.NoError(t, err) - - _, err = ReadLocal(repo, b.Id()) - require.Error(t, ErrBugNotExist, err) - - _, err = ReadRemote(repo, "remoteA", b.Id()) - require.Error(t, ErrBugNotExist, err) - - _, err = ReadRemote(repo, "remoteB", b.Id()) - require.Error(t, ErrBugNotExist, err) - - ids, err := ListLocalIds(repo) - require.NoError(t, err) - require.Len(t, ids, 100) -} diff --git a/bug/clocks.go b/bug/clocks.go deleted file mode 100644 index 58fce923..00000000 --- a/bug/clocks.go +++ /dev/null @@ -1,40 +0,0 @@ -package bug - -import ( - "github.com/MichaelMure/git-bug/identity" - "github.com/MichaelMure/git-bug/repository" -) - -// ClockLoader is the repository.ClockLoader for the Bug entity -var ClockLoader = repository.ClockLoader{ - Clocks: []string{creationClockName, editClockName}, - Witnesser: func(repo repository.ClockedRepo) error { - // We don't care about the actual identity so an IdentityStub will do - resolver := identity.NewStubResolver() - for b := range ReadAllLocalWithResolver(repo, resolver) { - if b.Err != nil { - return b.Err - } - - createClock, err := repo.GetOrCreateClock(creationClockName) - if err != nil { - return err - } - err = createClock.Witness(b.Bug.createTime) - if err != nil { - return err - } - - editClock, err := repo.GetOrCreateClock(editClockName) - if err != nil { - return err - } - err = editClock.Witness(b.Bug.editTime) - if err != nil { - return err - } - } - - return nil - }, -} diff --git a/bug/err.go b/bug/err.go new file mode 100644 index 00000000..1bd174bb --- /dev/null +++ b/bug/err.go @@ -0,0 +1,17 @@ +package bug + +import ( + "errors" + + "github.com/MichaelMure/git-bug/entity" +) + +var ErrBugNotExist = errors.New("bug doesn't exist") + +func NewErrMultipleMatchBug(matching []entity.Id) *entity.ErrMultipleMatch { + return entity.NewErrMultipleMatch("bug", matching) +} + +func NewErrMultipleMatchOp(matching []entity.Id) *entity.ErrMultipleMatch { + return entity.NewErrMultipleMatch("operation", matching) +} diff --git a/bug/identity.go b/bug/identity.go deleted file mode 100644 index 2eb2bcaf..00000000 --- a/bug/identity.go +++ /dev/null @@ -1,27 +0,0 @@ -package bug - -import ( - "github.com/MichaelMure/git-bug/identity" -) - -// EnsureIdentities walk the graph of operations and make sure that all Identity -// are properly loaded. That is, it replace all the IdentityStub with the full -// Identity, loaded through a Resolver. -func (bug *Bug) EnsureIdentities(resolver identity.Resolver) error { - it := NewOperationIterator(bug) - - for it.Next() { - op := it.Value() - base := op.base() - - if stub, ok := base.Author.(*identity.IdentityStub); ok { - i, err := resolver.ResolveIdentity(stub.Id()) - if err != nil { - return err - } - - base.Author = i - } - } - return nil -} diff --git a/bug/interface.go b/bug/interface.go index 5c8f2729..e71496a9 100644 --- a/bug/interface.go +++ b/bug/interface.go @@ -16,17 +16,15 @@ type Interface interface { // Append an operation into the staging area, to be committed later Append(op Operation) + // Operations return the ordered operations + Operations() []Operation + // Indicate that the in-memory state changed and need to be commit in the repository NeedCommit() bool // Commit write the staging area in Git and move the operations to the packs Commit(repo repository.ClockedRepo) error - // Merge a different version of the same bug by rebasing operations of this bug - // that are not present in the other on top of the chain of operations of the - // other version. - Merge(repo repository.Repo, other Interface) (bool, error) - // Lookup for the very first operation of the bug. // For a valid Bug, this operation should be a CreateOp FirstOp() Operation diff --git a/bug/op_add_comment.go b/bug/op_add_comment.go index 3f19e42e..f835866b 100644 --- a/bug/op_add_comment.go +++ b/bug/op_add_comment.go @@ -5,6 +5,7 @@ import ( "fmt" "github.com/MichaelMure/git-bug/entity" + "github.com/MichaelMure/git-bug/entity/dag" "github.com/MichaelMure/git-bug/identity" "github.com/MichaelMure/git-bug/repository" "github.com/MichaelMure/git-bug/util/text" @@ -12,6 +13,7 @@ import ( ) var _ Operation = &AddCommentOperation{} +var _ dag.OperationWithFiles = &AddCommentOperation{} // AddCommentOperation will add a new comment in the bug type AddCommentOperation struct { @@ -21,25 +23,19 @@ type AddCommentOperation struct { Files []repository.Hash `json:"files"` } -// Sign-post method for gqlgen -func (op *AddCommentOperation) IsOperation() {} - -func (op *AddCommentOperation) base() *OpBase { - return &op.OpBase -} - func (op *AddCommentOperation) Id() entity.Id { - return idOperation(op) + return idOperation(op, &op.OpBase) } func (op *AddCommentOperation) Apply(snapshot *Snapshot) { - snapshot.addActor(op.Author) - snapshot.addParticipant(op.Author) + snapshot.addActor(op.Author_) + snapshot.addParticipant(op.Author_) + commentId := entity.CombineIds(snapshot.Id(), op.Id()) comment := Comment{ - id: op.Id(), + id: commentId, Message: op.Message, - Author: op.Author, + Author: op.Author_, Files: op.Files, UnixTime: timestamp.Timestamp(op.UnixTime), } @@ -47,7 +43,7 @@ func (op *AddCommentOperation) Apply(snapshot *Snapshot) { snapshot.Comments = append(snapshot.Comments, comment) item := &AddCommentTimelineItem{ - CommentTimelineItem: NewCommentTimelineItem(op.Id(), comment), + CommentTimelineItem: NewCommentTimelineItem(commentId, comment), } snapshot.Timeline = append(snapshot.Timeline, item) @@ -58,7 +54,7 @@ func (op *AddCommentOperation) GetFiles() []repository.Hash { } func (op *AddCommentOperation) Validate() error { - if err := opBaseValidate(op, AddCommentOp); err != nil { + if err := op.OpBase.Validate(op, AddCommentOp); err != nil { return err } diff --git a/bug/op_add_comment_test.go b/bug/op_add_comment_test.go index 8bcc64e1..fb6fa8ed 100644 --- a/bug/op_add_comment_test.go +++ b/bug/op_add_comment_test.go @@ -13,9 +13,9 @@ import ( ) func TestAddCommentSerialize(t *testing.T) { - repo := repository.NewMockRepoForTest() - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(repo) + repo := repository.NewMockRepo() + + rene, err := identity.NewIdentity(repo, "René Descartes", "rene@descartes.fr") require.NoError(t, err) unix := time.Now().Unix() @@ -32,8 +32,8 @@ func TestAddCommentSerialize(t *testing.T) { before.Id() // Replace the identity stub with the real thing - assert.Equal(t, rene.Id(), after.base().Author.Id()) - after.Author = rene + assert.Equal(t, rene.Id(), after.Author().Id()) + after.Author_ = rene assert.Equal(t, before, &after) } diff --git a/bug/op_create.go b/bug/op_create.go index 9bb40d35..75b60bd8 100644 --- a/bug/op_create.go +++ b/bug/op_create.go @@ -6,6 +6,7 @@ import ( "strings" "github.com/MichaelMure/git-bug/entity" + "github.com/MichaelMure/git-bug/entity/dag" "github.com/MichaelMure/git-bug/identity" "github.com/MichaelMure/git-bug/repository" "github.com/MichaelMure/git-bug/util/text" @@ -13,6 +14,7 @@ import ( ) var _ Operation = &CreateOperation{} +var _ dag.OperationWithFiles = &CreateOperation{} // CreateOperation define the initial creation of a bug type CreateOperation struct { @@ -22,37 +24,53 @@ type CreateOperation struct { Files []repository.Hash `json:"files"` } -// Sign-post method for gqlgen -func (op *CreateOperation) IsOperation() {} - -func (op *CreateOperation) base() *OpBase { - return &op.OpBase +func (op *CreateOperation) Id() entity.Id { + return idOperation(op, &op.OpBase) } -func (op *CreateOperation) Id() entity.Id { - return idOperation(op) +// OVERRIDE +func (op *CreateOperation) SetMetadata(key string, value string) { + // sanity check: we make sure we are not in the following scenario: + // - the bug is created with a first operation + // - Id() is used + // - metadata are added, which will change the Id + // - Id() is used again + + if op.id != entity.UnsetId { + panic("usage of Id() after changing the first operation") + } + + op.OpBase.SetMetadata(key, value) } func (op *CreateOperation) Apply(snapshot *Snapshot) { - snapshot.addActor(op.Author) - snapshot.addParticipant(op.Author) + // sanity check: will fail when adding a second Create + if snapshot.id != "" && snapshot.id != entity.UnsetId && snapshot.id != op.Id() { + panic("adding a second Create operation") + } + + snapshot.id = op.Id() + + snapshot.addActor(op.Author_) + snapshot.addParticipant(op.Author_) snapshot.Title = op.Title + commentId := entity.CombineIds(snapshot.Id(), op.Id()) comment := Comment{ - id: op.Id(), + id: commentId, Message: op.Message, - Author: op.Author, + Author: op.Author_, UnixTime: timestamp.Timestamp(op.UnixTime), } snapshot.Comments = []Comment{comment} - snapshot.Author = op.Author + snapshot.Author = op.Author_ snapshot.CreateTime = op.Time() snapshot.Timeline = []TimelineItem{ &CreateTimelineItem{ - CommentTimelineItem: NewCommentTimelineItem(op.Id(), comment), + CommentTimelineItem: NewCommentTimelineItem(commentId, comment), }, } } @@ -62,18 +80,23 @@ func (op *CreateOperation) GetFiles() []repository.Hash { } func (op *CreateOperation) Validate() error { - if err := opBaseValidate(op, CreateOp); err != nil { + if err := op.OpBase.Validate(op, CreateOp); err != nil { return err } + if len(op.Nonce) > 64 { + return fmt.Errorf("create nonce is too big") + } + if len(op.Nonce) < 20 { + return fmt.Errorf("create nonce is too small") + } + if text.Empty(op.Title) { return fmt.Errorf("title is empty") } - if strings.Contains(op.Title, "\n") { return fmt.Errorf("title should be a single line") } - if !text.Safe(op.Title) { return fmt.Errorf("title is not fully printable") } @@ -85,7 +108,7 @@ func (op *CreateOperation) Validate() error { return nil } -// UnmarshalJSON is a two step JSON unmarshaling +// UnmarshalJSON is a two step JSON unmarshalling // This workaround is necessary to avoid the inner OpBase.MarshalJSON // overriding the outer op's MarshalJSON func (op *CreateOperation) UnmarshalJSON(data []byte) error { @@ -98,6 +121,7 @@ func (op *CreateOperation) UnmarshalJSON(data []byte) error { } aux := struct { + Nonce []byte `json:"nonce"` Title string `json:"title"` Message string `json:"message"` Files []repository.Hash `json:"files"` @@ -109,6 +133,7 @@ func (op *CreateOperation) UnmarshalJSON(data []byte) error { } op.OpBase = base + op.Nonce = aux.Nonce op.Title = aux.Title op.Message = aux.Message op.Files = aux.Files diff --git a/bug/op_create_test.go b/bug/op_create_test.go index f68b7637..1b359dee 100644 --- a/bug/op_create_test.go +++ b/bug/op_create_test.go @@ -5,17 +5,22 @@ import ( "testing" "time" + "github.com/stretchr/testify/require" + + "github.com/MichaelMure/git-bug/entity" "github.com/MichaelMure/git-bug/identity" "github.com/MichaelMure/git-bug/repository" "github.com/MichaelMure/git-bug/util/timestamp" - "github.com/stretchr/testify/assert" - "github.com/stretchr/testify/require" ) func TestCreate(t *testing.T) { snapshot := Snapshot{} - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") + repo := repository.NewMockRepoClock() + + rene, err := identity.NewIdentity(repo, "René Descartes", "rene@descartes.fr") + require.NoError(t, err) + unix := time.Now().Unix() create := NewCreateOp(rene, unix, "title", "message", nil) @@ -23,16 +28,19 @@ func TestCreate(t *testing.T) { create.Apply(&snapshot) id := create.Id() - assert.NoError(t, id.Validate()) + require.NoError(t, id.Validate()) + + commentId := entity.CombineIds(create.Id(), create.Id()) comment := Comment{ - id: id, + id: commentId, Author: rene, Message: "message", UnixTime: timestamp.Timestamp(create.UnixTime), } expected := Snapshot{ + id: create.Id(), Title: "title", Comments: []Comment{ comment, @@ -43,36 +51,36 @@ func TestCreate(t *testing.T) { CreateTime: create.Time(), Timeline: []TimelineItem{ &CreateTimelineItem{ - CommentTimelineItem: NewCommentTimelineItem(id, comment), + CommentTimelineItem: NewCommentTimelineItem(commentId, comment), }, }, } - assert.Equal(t, expected, snapshot) + require.Equal(t, expected, snapshot) } func TestCreateSerialize(t *testing.T) { - repo := repository.NewMockRepoForTest() - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(repo) + repo := repository.NewMockRepo() + + rene, err := identity.NewIdentity(repo, "René Descartes", "rene@descartes.fr") require.NoError(t, err) unix := time.Now().Unix() before := NewCreateOp(rene, unix, "title", "message", nil) data, err := json.Marshal(before) - assert.NoError(t, err) + require.NoError(t, err) var after CreateOperation err = json.Unmarshal(data, &after) - assert.NoError(t, err) + require.NoError(t, err) // enforce creating the ID before.Id() // Replace the identity stub with the real thing - assert.Equal(t, rene.Id(), after.base().Author.Id()) - after.Author = rene + require.Equal(t, rene.Id(), after.Author().Id()) + after.Author_ = rene - assert.Equal(t, before, &after) + require.Equal(t, before, &after) } diff --git a/bug/op_edit_comment.go b/bug/op_edit_comment.go index 5bfc36bf..3e6634e4 100644 --- a/bug/op_edit_comment.go +++ b/bug/op_edit_comment.go @@ -7,6 +7,7 @@ import ( "github.com/pkg/errors" "github.com/MichaelMure/git-bug/entity" + "github.com/MichaelMure/git-bug/entity/dag" "github.com/MichaelMure/git-bug/identity" "github.com/MichaelMure/git-bug/repository" "github.com/MichaelMure/git-bug/util/timestamp" @@ -15,6 +16,7 @@ import ( ) var _ Operation = &EditCommentOperation{} +var _ dag.OperationWithFiles = &EditCommentOperation{} // EditCommentOperation will change a comment in the bug type EditCommentOperation struct { @@ -24,22 +26,15 @@ type EditCommentOperation struct { Files []repository.Hash `json:"files"` } -// Sign-post method for gqlgen -func (op *EditCommentOperation) IsOperation() {} - -func (op *EditCommentOperation) base() *OpBase { - return &op.OpBase -} - func (op *EditCommentOperation) Id() entity.Id { - return idOperation(op) + return idOperation(op, &op.OpBase) } func (op *EditCommentOperation) Apply(snapshot *Snapshot) { // Todo: currently any message can be edited, even by a different author // crypto signature are needed. - snapshot.addActor(op.Author) + snapshot.addActor(op.Author_) var target TimelineItem @@ -85,7 +80,7 @@ func (op *EditCommentOperation) GetFiles() []repository.Hash { } func (op *EditCommentOperation) Validate() error { - if err := opBaseValidate(op, EditCommentOp); err != nil { + if err := op.OpBase.Validate(op, EditCommentOp); err != nil { return err } @@ -100,7 +95,7 @@ func (op *EditCommentOperation) Validate() error { return nil } -// UnmarshalJSON is a two step JSON unmarshaling +// UnmarshalJSON is a two step JSON unmarshalling // This workaround is necessary to avoid the inner OpBase.MarshalJSON // overriding the outer op's MarshalJSON func (op *EditCommentOperation) UnmarshalJSON(data []byte) error { diff --git a/bug/op_edit_comment_test.go b/bug/op_edit_comment_test.go index 583ba656..777f5f87 100644 --- a/bug/op_edit_comment_test.go +++ b/bug/op_edit_comment_test.go @@ -5,7 +5,6 @@ import ( "testing" "time" - "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" "github.com/MichaelMure/git-bug/identity" @@ -15,9 +14,9 @@ import ( func TestEdit(t *testing.T) { snapshot := Snapshot{} - repo := repository.NewMockRepoForTest() - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(repo) + repo := repository.NewMockRepo() + + rene, err := identity.NewIdentity(repo, "René Descartes", "rene@descartes.fr") require.NoError(t, err) unix := time.Now().Unix() @@ -44,62 +43,62 @@ func TestEdit(t *testing.T) { id3 := comment2.Id() require.NoError(t, id3.Validate()) - edit := NewEditCommentOp(rene, unix, id1, "create edited", nil) + edit := NewEditCommentOp(rene, unix, snapshot.Comments[0].Id(), "create edited", nil) edit.Apply(&snapshot) - assert.Equal(t, len(snapshot.Timeline), 4) - assert.Equal(t, len(snapshot.Timeline[0].(*CreateTimelineItem).History), 2) - assert.Equal(t, len(snapshot.Timeline[1].(*AddCommentTimelineItem).History), 1) - assert.Equal(t, len(snapshot.Timeline[3].(*AddCommentTimelineItem).History), 1) - assert.Equal(t, snapshot.Comments[0].Message, "create edited") - assert.Equal(t, snapshot.Comments[1].Message, "comment 1") - assert.Equal(t, snapshot.Comments[2].Message, "comment 2") + require.Len(t, snapshot.Timeline, 4) + require.Len(t, snapshot.Timeline[0].(*CreateTimelineItem).History, 2) + require.Len(t, snapshot.Timeline[1].(*AddCommentTimelineItem).History, 1) + require.Len(t, snapshot.Timeline[3].(*AddCommentTimelineItem).History, 1) + require.Equal(t, snapshot.Comments[0].Message, "create edited") + require.Equal(t, snapshot.Comments[1].Message, "comment 1") + require.Equal(t, snapshot.Comments[2].Message, "comment 2") - edit2 := NewEditCommentOp(rene, unix, id2, "comment 1 edited", nil) + edit2 := NewEditCommentOp(rene, unix, snapshot.Comments[1].Id(), "comment 1 edited", nil) edit2.Apply(&snapshot) - assert.Equal(t, len(snapshot.Timeline), 4) - assert.Equal(t, len(snapshot.Timeline[0].(*CreateTimelineItem).History), 2) - assert.Equal(t, len(snapshot.Timeline[1].(*AddCommentTimelineItem).History), 2) - assert.Equal(t, len(snapshot.Timeline[3].(*AddCommentTimelineItem).History), 1) - assert.Equal(t, snapshot.Comments[0].Message, "create edited") - assert.Equal(t, snapshot.Comments[1].Message, "comment 1 edited") - assert.Equal(t, snapshot.Comments[2].Message, "comment 2") + require.Len(t, snapshot.Timeline, 4) + require.Len(t, snapshot.Timeline[0].(*CreateTimelineItem).History, 2) + require.Len(t, snapshot.Timeline[1].(*AddCommentTimelineItem).History, 2) + require.Len(t, snapshot.Timeline[3].(*AddCommentTimelineItem).History, 1) + require.Equal(t, snapshot.Comments[0].Message, "create edited") + require.Equal(t, snapshot.Comments[1].Message, "comment 1 edited") + require.Equal(t, snapshot.Comments[2].Message, "comment 2") - edit3 := NewEditCommentOp(rene, unix, id3, "comment 2 edited", nil) + edit3 := NewEditCommentOp(rene, unix, snapshot.Comments[2].Id(), "comment 2 edited", nil) edit3.Apply(&snapshot) - assert.Equal(t, len(snapshot.Timeline), 4) - assert.Equal(t, len(snapshot.Timeline[0].(*CreateTimelineItem).History), 2) - assert.Equal(t, len(snapshot.Timeline[1].(*AddCommentTimelineItem).History), 2) - assert.Equal(t, len(snapshot.Timeline[3].(*AddCommentTimelineItem).History), 2) - assert.Equal(t, snapshot.Comments[0].Message, "create edited") - assert.Equal(t, snapshot.Comments[1].Message, "comment 1 edited") - assert.Equal(t, snapshot.Comments[2].Message, "comment 2 edited") + require.Len(t, snapshot.Timeline, 4) + require.Len(t, snapshot.Timeline[0].(*CreateTimelineItem).History, 2) + require.Len(t, snapshot.Timeline[1].(*AddCommentTimelineItem).History, 2) + require.Len(t, snapshot.Timeline[3].(*AddCommentTimelineItem).History, 2) + require.Equal(t, snapshot.Comments[0].Message, "create edited") + require.Equal(t, snapshot.Comments[1].Message, "comment 1 edited") + require.Equal(t, snapshot.Comments[2].Message, "comment 2 edited") } func TestEditCommentSerialize(t *testing.T) { - repo := repository.NewMockRepoForTest() - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(repo) + repo := repository.NewMockRepo() + + rene, err := identity.NewIdentity(repo, "René Descartes", "rene@descartes.fr") require.NoError(t, err) unix := time.Now().Unix() before := NewEditCommentOp(rene, unix, "target", "message", nil) data, err := json.Marshal(before) - assert.NoError(t, err) + require.NoError(t, err) var after EditCommentOperation err = json.Unmarshal(data, &after) - assert.NoError(t, err) + require.NoError(t, err) // enforce creating the ID before.Id() // Replace the identity stub with the real thing - assert.Equal(t, rene.Id(), after.base().Author.Id()) - after.Author = rene + require.Equal(t, rene.Id(), after.Author().Id()) + after.Author_ = rene - assert.Equal(t, before, &after) + require.Equal(t, before, &after) } diff --git a/bug/op_label_change.go b/bug/op_label_change.go index fefe2402..8b0e5ec8 100644 --- a/bug/op_label_change.go +++ b/bug/op_label_change.go @@ -21,20 +21,13 @@ type LabelChangeOperation struct { Removed []Label `json:"removed"` } -// Sign-post method for gqlgen -func (op *LabelChangeOperation) IsOperation() {} - -func (op *LabelChangeOperation) base() *OpBase { - return &op.OpBase -} - func (op *LabelChangeOperation) Id() entity.Id { - return idOperation(op) + return idOperation(op, &op.OpBase) } // Apply apply the operation func (op *LabelChangeOperation) Apply(snapshot *Snapshot) { - snapshot.addActor(op.Author) + snapshot.addActor(op.Author_) // Add in the set AddLoop: @@ -66,7 +59,7 @@ AddLoop: item := &LabelChangeTimelineItem{ id: op.Id(), - Author: op.Author, + Author: op.Author_, UnixTime: timestamp.Timestamp(op.UnixTime), Added: op.Added, Removed: op.Removed, @@ -76,7 +69,7 @@ AddLoop: } func (op *LabelChangeOperation) Validate() error { - if err := opBaseValidate(op, LabelChangeOp); err != nil { + if err := op.OpBase.Validate(op, LabelChangeOp); err != nil { return err } @@ -99,7 +92,7 @@ func (op *LabelChangeOperation) Validate() error { return nil } -// UnmarshalJSON is a two step JSON unmarshaling +// UnmarshalJSON is a two step JSON unmarshalling // This workaround is necessary to avoid the inner OpBase.MarshalJSON // overriding the outer op's MarshalJSON func (op *LabelChangeOperation) UnmarshalJSON(data []byte) error { diff --git a/bug/op_label_change_test.go b/bug/op_label_change_test.go index c98b2207..40dc4f0d 100644 --- a/bug/op_label_change_test.go +++ b/bug/op_label_change_test.go @@ -9,32 +9,30 @@ import ( "github.com/MichaelMure/git-bug/identity" "github.com/MichaelMure/git-bug/repository" - - "github.com/stretchr/testify/assert" ) func TestLabelChangeSerialize(t *testing.T) { - repo := repository.NewMockRepoForTest() - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(repo) + repo := repository.NewMockRepo() + + rene, err := identity.NewIdentity(repo, "René Descartes", "rene@descartes.fr") require.NoError(t, err) unix := time.Now().Unix() before := NewLabelChangeOperation(rene, unix, []Label{"added"}, []Label{"removed"}) data, err := json.Marshal(before) - assert.NoError(t, err) + require.NoError(t, err) var after LabelChangeOperation err = json.Unmarshal(data, &after) - assert.NoError(t, err) + require.NoError(t, err) // enforce creating the ID before.Id() // Replace the identity stub with the real thing - assert.Equal(t, rene.Id(), after.base().Author.Id()) - after.Author = rene + require.Equal(t, rene.Id(), after.Author().Id()) + after.Author_ = rene - assert.Equal(t, before, &after) + require.Equal(t, before, &after) } diff --git a/bug/op_noop.go b/bug/op_noop.go index 6364f918..1b11e694 100644 --- a/bug/op_noop.go +++ b/bug/op_noop.go @@ -16,15 +16,8 @@ type NoOpOperation struct { OpBase } -// Sign-post method for gqlgen -func (op *NoOpOperation) IsOperation() {} - -func (op *NoOpOperation) base() *OpBase { - return &op.OpBase -} - func (op *NoOpOperation) Id() entity.Id { - return idOperation(op) + return idOperation(op, &op.OpBase) } func (op *NoOpOperation) Apply(snapshot *Snapshot) { @@ -32,10 +25,10 @@ func (op *NoOpOperation) Apply(snapshot *Snapshot) { } func (op *NoOpOperation) Validate() error { - return opBaseValidate(op, NoOpOp) + return op.OpBase.Validate(op, NoOpOp) } -// UnmarshalJSON is a two step JSON unmarshaling +// UnmarshalJSON is a two step JSON unmarshalling // This workaround is necessary to avoid the inner OpBase.MarshalJSON // overriding the outer op's MarshalJSON func (op *NoOpOperation) UnmarshalJSON(data []byte) error { diff --git a/bug/op_noop_test.go b/bug/op_noop_test.go index 0e34c961..0e3727c2 100644 --- a/bug/op_noop_test.go +++ b/bug/op_noop_test.go @@ -14,9 +14,9 @@ import ( ) func TestNoopSerialize(t *testing.T) { - repo := repository.NewMockRepoForTest() - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(repo) + repo := repository.NewMockRepo() + + rene, err := identity.NewIdentity(repo, "René Descartes", "rene@descartes.fr") require.NoError(t, err) unix := time.Now().Unix() @@ -33,8 +33,8 @@ func TestNoopSerialize(t *testing.T) { before.Id() // Replace the identity stub with the real thing - assert.Equal(t, rene.Id(), after.base().Author.Id()) - after.Author = rene + assert.Equal(t, rene.Id(), after.Author().Id()) + after.Author_ = rene assert.Equal(t, before, &after) } diff --git a/bug/op_set_metadata.go b/bug/op_set_metadata.go index 23d11461..ca19a838 100644 --- a/bug/op_set_metadata.go +++ b/bug/op_set_metadata.go @@ -17,41 +17,25 @@ type SetMetadataOperation struct { NewMetadata map[string]string `json:"new_metadata"` } -// Sign-post method for gqlgen -func (op *SetMetadataOperation) IsOperation() {} - -func (op *SetMetadataOperation) base() *OpBase { - return &op.OpBase -} - func (op *SetMetadataOperation) Id() entity.Id { - return idOperation(op) + return idOperation(op, &op.OpBase) } func (op *SetMetadataOperation) Apply(snapshot *Snapshot) { for _, target := range snapshot.Operations { if target.Id() == op.Target { - base := target.base() - - if base.extraMetadata == nil { - base.extraMetadata = make(map[string]string) - } - // Apply the metadata in an immutable way: if a metadata already // exist, it's not possible to override it. - for key, val := range op.NewMetadata { - if _, exist := base.extraMetadata[key]; !exist { - base.extraMetadata[key] = val - } + for key, value := range op.NewMetadata { + target.setExtraMetadataImmutable(key, value) } - return } } } func (op *SetMetadataOperation) Validate() error { - if err := opBaseValidate(op, SetMetadataOp); err != nil { + if err := op.OpBase.Validate(op, SetMetadataOp); err != nil { return err } @@ -62,7 +46,7 @@ func (op *SetMetadataOperation) Validate() error { return nil } -// UnmarshalJSON is a two step JSON unmarshaling +// UnmarshalJSON is a two step JSON unmarshalling // This workaround is necessary to avoid the inner OpBase.MarshalJSON // overriding the outer op's MarshalJSON func (op *SetMetadataOperation) UnmarshalJSON(data []byte) error { diff --git a/bug/op_set_metadata_test.go b/bug/op_set_metadata_test.go index d7711249..78f7d883 100644 --- a/bug/op_set_metadata_test.go +++ b/bug/op_set_metadata_test.go @@ -8,16 +8,15 @@ import ( "github.com/MichaelMure/git-bug/identity" "github.com/MichaelMure/git-bug/repository" - "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) func TestSetMetadata(t *testing.T) { snapshot := Snapshot{} - repo := repository.NewMockRepoForTest() - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(repo) + repo := repository.NewMockRepo() + + rene, err := identity.NewIdentity(repo, "René Descartes", "rene@descartes.fr") require.NoError(t, err) unix := time.Now().Unix() @@ -47,15 +46,15 @@ func TestSetMetadata(t *testing.T) { snapshot.Operations = append(snapshot.Operations, op1) createMetadata := snapshot.Operations[0].AllMetadata() - assert.Equal(t, len(createMetadata), 2) + require.Len(t, createMetadata, 2) // original key is not overrided - assert.Equal(t, createMetadata["key"], "value") + require.Equal(t, createMetadata["key"], "value") // new key is set - assert.Equal(t, createMetadata["key2"], "value") + require.Equal(t, createMetadata["key2"], "value") commentMetadata := snapshot.Operations[1].AllMetadata() - assert.Equal(t, len(commentMetadata), 1) - assert.Equal(t, commentMetadata["key2"], "value2") + require.Len(t, commentMetadata, 1) + require.Equal(t, commentMetadata["key2"], "value2") op2 := NewSetMetadataOp(rene, unix, id2, map[string]string{ "key2": "value", @@ -66,16 +65,16 @@ func TestSetMetadata(t *testing.T) { snapshot.Operations = append(snapshot.Operations, op2) createMetadata = snapshot.Operations[0].AllMetadata() - assert.Equal(t, len(createMetadata), 2) - assert.Equal(t, createMetadata["key"], "value") - assert.Equal(t, createMetadata["key2"], "value") + require.Len(t, createMetadata, 2) + require.Equal(t, createMetadata["key"], "value") + require.Equal(t, createMetadata["key2"], "value") commentMetadata = snapshot.Operations[1].AllMetadata() - assert.Equal(t, len(commentMetadata), 2) + require.Len(t, commentMetadata, 2) // original key is not overrided - assert.Equal(t, commentMetadata["key2"], "value2") + require.Equal(t, commentMetadata["key2"], "value2") // new key is set - assert.Equal(t, commentMetadata["key3"], "value3") + require.Equal(t, commentMetadata["key3"], "value3") op3 := NewSetMetadataOp(rene, unix, id1, map[string]string{ "key": "override", @@ -86,22 +85,22 @@ func TestSetMetadata(t *testing.T) { snapshot.Operations = append(snapshot.Operations, op3) createMetadata = snapshot.Operations[0].AllMetadata() - assert.Equal(t, len(createMetadata), 2) + require.Len(t, createMetadata, 2) // original key is not overrided - assert.Equal(t, createMetadata["key"], "value") + require.Equal(t, createMetadata["key"], "value") // previously set key is not overrided - assert.Equal(t, createMetadata["key2"], "value") + require.Equal(t, createMetadata["key2"], "value") commentMetadata = snapshot.Operations[1].AllMetadata() - assert.Equal(t, len(commentMetadata), 2) - assert.Equal(t, commentMetadata["key2"], "value2") - assert.Equal(t, commentMetadata["key3"], "value3") + require.Len(t, commentMetadata, 2) + require.Equal(t, commentMetadata["key2"], "value2") + require.Equal(t, commentMetadata["key3"], "value3") } func TestSetMetadataSerialize(t *testing.T) { - repo := repository.NewMockRepoForTest() - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(repo) + repo := repository.NewMockRepo() + + rene, err := identity.NewIdentity(repo, "René Descartes", "rene@descartes.fr") require.NoError(t, err) unix := time.Now().Unix() @@ -111,18 +110,18 @@ func TestSetMetadataSerialize(t *testing.T) { }) data, err := json.Marshal(before) - assert.NoError(t, err) + require.NoError(t, err) var after SetMetadataOperation err = json.Unmarshal(data, &after) - assert.NoError(t, err) + require.NoError(t, err) // enforce creating the ID before.Id() // Replace the identity stub with the real thing - assert.Equal(t, rene.Id(), after.base().Author.Id()) - after.Author = rene + require.Equal(t, rene.Id(), after.Author().Id()) + after.Author_ = rene - assert.Equal(t, before, &after) + require.Equal(t, before, &after) } diff --git a/bug/op_set_status.go b/bug/op_set_status.go index eb2c0ba4..e22ded54 100644 --- a/bug/op_set_status.go +++ b/bug/op_set_status.go @@ -18,24 +18,17 @@ type SetStatusOperation struct { Status Status `json:"status"` } -// Sign-post method for gqlgen -func (op *SetStatusOperation) IsOperation() {} - -func (op *SetStatusOperation) base() *OpBase { - return &op.OpBase -} - func (op *SetStatusOperation) Id() entity.Id { - return idOperation(op) + return idOperation(op, &op.OpBase) } func (op *SetStatusOperation) Apply(snapshot *Snapshot) { snapshot.Status = op.Status - snapshot.addActor(op.Author) + snapshot.addActor(op.Author_) item := &SetStatusTimelineItem{ id: op.Id(), - Author: op.Author, + Author: op.Author_, UnixTime: timestamp.Timestamp(op.UnixTime), Status: op.Status, } @@ -44,7 +37,7 @@ func (op *SetStatusOperation) Apply(snapshot *Snapshot) { } func (op *SetStatusOperation) Validate() error { - if err := opBaseValidate(op, SetStatusOp); err != nil { + if err := op.OpBase.Validate(op, SetStatusOp); err != nil { return err } @@ -55,7 +48,7 @@ func (op *SetStatusOperation) Validate() error { return nil } -// UnmarshalJSON is a two step JSON unmarshaling +// UnmarshalJSON is a two step JSON unmarshalling // This workaround is necessary to avoid the inner OpBase.MarshalJSON // overriding the outer op's MarshalJSON func (op *SetStatusOperation) UnmarshalJSON(data []byte) error { diff --git a/bug/op_set_status_test.go b/bug/op_set_status_test.go index cdea2dd2..83ff22ae 100644 --- a/bug/op_set_status_test.go +++ b/bug/op_set_status_test.go @@ -9,32 +9,30 @@ import ( "github.com/MichaelMure/git-bug/identity" "github.com/MichaelMure/git-bug/repository" - - "github.com/stretchr/testify/assert" ) func TestSetStatusSerialize(t *testing.T) { - repo := repository.NewMockRepoForTest() - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(repo) + repo := repository.NewMockRepo() + + rene, err := identity.NewIdentity(repo, "René Descartes", "rene@descartes.fr") require.NoError(t, err) unix := time.Now().Unix() before := NewSetStatusOp(rene, unix, ClosedStatus) data, err := json.Marshal(before) - assert.NoError(t, err) + require.NoError(t, err) var after SetStatusOperation err = json.Unmarshal(data, &after) - assert.NoError(t, err) + require.NoError(t, err) // enforce creating the ID before.Id() // Replace the identity stub with the real thing - assert.Equal(t, rene.Id(), after.base().Author.Id()) - after.Author = rene + require.Equal(t, rene.Id(), after.Author().Id()) + after.Author_ = rene - assert.Equal(t, before, &after) + require.Equal(t, before, &after) } diff --git a/bug/op_set_title.go b/bug/op_set_title.go index ddd98f0e..c6a26746 100644 --- a/bug/op_set_title.go +++ b/bug/op_set_title.go @@ -21,24 +21,17 @@ type SetTitleOperation struct { Was string `json:"was"` } -// Sign-post method for gqlgen -func (op *SetTitleOperation) IsOperation() {} - -func (op *SetTitleOperation) base() *OpBase { - return &op.OpBase -} - func (op *SetTitleOperation) Id() entity.Id { - return idOperation(op) + return idOperation(op, &op.OpBase) } func (op *SetTitleOperation) Apply(snapshot *Snapshot) { snapshot.Title = op.Title - snapshot.addActor(op.Author) + snapshot.addActor(op.Author_) item := &SetTitleTimelineItem{ id: op.Id(), - Author: op.Author, + Author: op.Author_, UnixTime: timestamp.Timestamp(op.UnixTime), Title: op.Title, Was: op.Was, @@ -48,7 +41,7 @@ func (op *SetTitleOperation) Apply(snapshot *Snapshot) { } func (op *SetTitleOperation) Validate() error { - if err := opBaseValidate(op, SetTitleOp); err != nil { + if err := op.OpBase.Validate(op, SetTitleOp); err != nil { return err } @@ -75,7 +68,7 @@ func (op *SetTitleOperation) Validate() error { return nil } -// UnmarshalJSON is a two step JSON unmarshaling +// UnmarshalJSON is a two step JSON unmarshalling // This workaround is necessary to avoid the inner OpBase.MarshalJSON // overriding the outer op's MarshalJSON func (op *SetTitleOperation) UnmarshalJSON(data []byte) error { @@ -132,19 +125,17 @@ func (s *SetTitleTimelineItem) IsAuthored() {} // Convenience function to apply the operation func SetTitle(b Interface, author identity.Interface, unixTime int64, title string) (*SetTitleOperation, error) { - it := NewOperationIterator(b) - - var lastTitleOp Operation - for it.Next() { - op := it.Value() - if op.base().OperationType == SetTitleOp { + var lastTitleOp *SetTitleOperation + for _, op := range b.Operations() { + switch op := op.(type) { + case *SetTitleOperation: lastTitleOp = op } } var was string if lastTitleOp != nil { - was = lastTitleOp.(*SetTitleOperation).Title + was = lastTitleOp.Title } else { was = b.FirstOp().(*CreateOperation).Title } diff --git a/bug/op_set_title_test.go b/bug/op_set_title_test.go index 368ada61..7059c4c7 100644 --- a/bug/op_set_title_test.go +++ b/bug/op_set_title_test.go @@ -9,32 +9,30 @@ import ( "github.com/MichaelMure/git-bug/identity" "github.com/MichaelMure/git-bug/repository" - - "github.com/stretchr/testify/assert" ) func TestSetTitleSerialize(t *testing.T) { - repo := repository.NewMockRepoForTest() - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(repo) + repo := repository.NewMockRepo() + + rene, err := identity.NewIdentity(repo, "René Descartes", "rene@descartes.fr") require.NoError(t, err) unix := time.Now().Unix() before := NewSetTitleOp(rene, unix, "title", "was") data, err := json.Marshal(before) - assert.NoError(t, err) + require.NoError(t, err) var after SetTitleOperation err = json.Unmarshal(data, &after) - assert.NoError(t, err) + require.NoError(t, err) // enforce creating the ID before.Id() // Replace the identity stub with the real thing - assert.Equal(t, rene.Id(), after.base().Author.Id()) - after.Author = rene + require.Equal(t, rene.Id(), after.Author().Id()) + after.Author_ = rene - assert.Equal(t, before, &after) + require.Equal(t, before, &after) } diff --git a/bug/operation.go b/bug/operation.go index 107c954e..b3610381 100644 --- a/bug/operation.go +++ b/bug/operation.go @@ -1,7 +1,7 @@ package bug import ( - "crypto/sha256" + "crypto/rand" "encoding/json" "fmt" "time" @@ -9,8 +9,8 @@ import ( "github.com/pkg/errors" "github.com/MichaelMure/git-bug/entity" + "github.com/MichaelMure/git-bug/entity/dag" "github.com/MichaelMure/git-bug/identity" - "github.com/MichaelMure/git-bug/repository" ) // OperationType is an operation type identifier @@ -30,39 +30,27 @@ const ( // Operation define the interface to fulfill for an edit operation of a Bug type Operation interface { - // base return the OpBase of the Operation, for package internal use - base() *OpBase - // Id return the identifier of the operation, to be used for back references - Id() entity.Id + dag.Operation + + // Type return the type of the operation + Type() OperationType + // Time return the time when the operation was added Time() time.Time - // GetFiles return the files needed by this operation - GetFiles() []repository.Hash // Apply the operation to a Snapshot to create the final state Apply(snapshot *Snapshot) - // Validate check if the operation is valid (ex: a title is a single line) - Validate() error + // SetMetadata store arbitrary metadata about the operation SetMetadata(key string, value string) // GetMetadata retrieve arbitrary metadata about the operation GetMetadata(key string) (string, bool) // AllMetadata return all metadata for this operation AllMetadata() map[string]string - // GetAuthor return the author identity - GetAuthor() identity.Interface - - // sign-post method for gqlgen - IsOperation() -} -func deriveId(data []byte) entity.Id { - sum := sha256.Sum256(data) - return entity.Id(fmt.Sprintf("%x", sum)) + setExtraMetadataImmutable(key string, value string) } -func idOperation(op Operation) entity.Id { - base := op.base() - +func idOperation(op Operation, base *OpBase) entity.Id { if base.id == "" { // something went really wrong panic("op's id not set") @@ -78,18 +66,85 @@ func idOperation(op Operation) entity.Id { panic(err) } - base.id = deriveId(data) + base.id = entity.DeriveId(data) } return base.id } +func operationUnmarshaller(author identity.Interface, raw json.RawMessage) (dag.Operation, error) { + var t struct { + OperationType OperationType `json:"type"` + } + + if err := json.Unmarshal(raw, &t); err != nil { + return nil, err + } + + var op Operation + + switch t.OperationType { + case AddCommentOp: + op = &AddCommentOperation{} + case CreateOp: + op = &CreateOperation{} + case EditCommentOp: + op = &EditCommentOperation{} + case LabelChangeOp: + op = &LabelChangeOperation{} + case NoOpOp: + op = &NoOpOperation{} + case SetMetadataOp: + op = &SetMetadataOperation{} + case SetStatusOp: + op = &SetStatusOperation{} + case SetTitleOp: + op = &SetTitleOperation{} + default: + panic(fmt.Sprintf("unknown operation type %v", t.OperationType)) + } + + err := json.Unmarshal(raw, &op) + if err != nil { + return nil, err + } + + switch op := op.(type) { + case *AddCommentOperation: + op.Author_ = author + case *CreateOperation: + op.Author_ = author + case *EditCommentOperation: + op.Author_ = author + case *LabelChangeOperation: + op.Author_ = author + case *NoOpOperation: + op.Author_ = author + case *SetMetadataOperation: + op.Author_ = author + case *SetStatusOperation: + op.Author_ = author + case *SetTitleOperation: + op.Author_ = author + default: + panic(fmt.Sprintf("unknown operation type %T", op)) + } + + return op, nil +} + // OpBase implement the common code for all operations type OpBase struct { OperationType OperationType `json:"type"` - Author identity.Interface `json:"author"` + Author_ identity.Interface `json:"author"` // TODO: part of the data model upgrade, this should eventually be a timestamp + lamport UnixTime int64 `json:"timestamp"` Metadata map[string]string `json:"metadata,omitempty"` + + // mandatory random bytes to ensure a better randomness of the data used to later generate the ID + // len(Nonce) should be > 20 and < 64 bytes + // It has no functional purpose and should be ignored. + Nonce []byte `json:"nonce"` + // Not serialized. Store the op's id in memory. id entity.Id // Not serialized. Store the extra metadata in memory, @@ -101,21 +156,32 @@ type OpBase struct { func newOpBase(opType OperationType, author identity.Interface, unixTime int64) OpBase { return OpBase{ OperationType: opType, - Author: author, + Author_: author, UnixTime: unixTime, + Nonce: makeNonce(20), id: entity.UnsetId, } } -func (op *OpBase) UnmarshalJSON(data []byte) error { +func makeNonce(len int) []byte { + result := make([]byte, len) + _, err := rand.Read(result) + if err != nil { + panic(err) + } + return result +} + +func (base *OpBase) UnmarshalJSON(data []byte) error { // Compute the Id when loading the op from disk. - op.id = deriveId(data) + base.id = entity.DeriveId(data) aux := struct { OperationType OperationType `json:"type"` Author json.RawMessage `json:"author"` UnixTime int64 `json:"timestamp"` Metadata map[string]string `json:"metadata,omitempty"` + Nonce []byte `json:"nonce"` }{} if err := json.Unmarshal(data, &aux); err != nil { @@ -128,92 +194,110 @@ func (op *OpBase) UnmarshalJSON(data []byte) error { return err } - op.OperationType = aux.OperationType - op.Author = author - op.UnixTime = aux.UnixTime - op.Metadata = aux.Metadata + base.OperationType = aux.OperationType + base.Author_ = author + base.UnixTime = aux.UnixTime + base.Metadata = aux.Metadata + base.Nonce = aux.Nonce return nil } -// Time return the time when the operation was added -func (op *OpBase) Time() time.Time { - return time.Unix(op.UnixTime, 0) +func (base *OpBase) Type() OperationType { + return base.OperationType } -// GetFiles return the files needed by this operation -func (op *OpBase) GetFiles() []repository.Hash { - return nil +// Time return the time when the operation was added +func (base *OpBase) Time() time.Time { + return time.Unix(base.UnixTime, 0) } // Validate check the OpBase for errors -func opBaseValidate(op Operation, opType OperationType) error { - if op.base().OperationType != opType { - return fmt.Errorf("incorrect operation type (expected: %v, actual: %v)", opType, op.base().OperationType) +func (base *OpBase) Validate(op Operation, opType OperationType) error { + if base.OperationType != opType { + return fmt.Errorf("incorrect operation type (expected: %v, actual: %v)", opType, base.OperationType) } if op.Time().Unix() == 0 { return fmt.Errorf("time not set") } - if op.base().Author == nil { + if base.Author_ == nil { return fmt.Errorf("author not set") } - if err := op.base().Author.Validate(); err != nil { + if err := op.Author().Validate(); err != nil { return errors.Wrap(err, "author") } - for _, hash := range op.GetFiles() { - if !hash.IsValid() { - return fmt.Errorf("file with invalid hash %v", hash) + if op, ok := op.(dag.OperationWithFiles); ok { + for _, hash := range op.GetFiles() { + if !hash.IsValid() { + return fmt.Errorf("file with invalid hash %v", hash) + } } } + if len(base.Nonce) > 64 { + return fmt.Errorf("nonce is too big") + } + if len(base.Nonce) < 20 { + return fmt.Errorf("nonce is too small") + } + return nil } // SetMetadata store arbitrary metadata about the operation -func (op *OpBase) SetMetadata(key string, value string) { - if op.Metadata == nil { - op.Metadata = make(map[string]string) +func (base *OpBase) SetMetadata(key string, value string) { + if base.Metadata == nil { + base.Metadata = make(map[string]string) } - op.Metadata[key] = value - op.id = entity.UnsetId + base.Metadata[key] = value + base.id = entity.UnsetId } // GetMetadata retrieve arbitrary metadata about the operation -func (op *OpBase) GetMetadata(key string) (string, bool) { - val, ok := op.Metadata[key] +func (base *OpBase) GetMetadata(key string) (string, bool) { + val, ok := base.Metadata[key] if ok { return val, true } // extraMetadata can't replace the original operations value if any - val, ok = op.extraMetadata[key] + val, ok = base.extraMetadata[key] return val, ok } // AllMetadata return all metadata for this operation -func (op *OpBase) AllMetadata() map[string]string { +func (base *OpBase) AllMetadata() map[string]string { result := make(map[string]string) - for key, val := range op.extraMetadata { + for key, val := range base.extraMetadata { result[key] = val } // Original metadata take precedence - for key, val := range op.Metadata { + for key, val := range base.Metadata { result[key] = val } return result } -// GetAuthor return author identity -func (op *OpBase) GetAuthor() identity.Interface { - return op.Author +func (base *OpBase) setExtraMetadataImmutable(key string, value string) { + if base.extraMetadata == nil { + base.extraMetadata = make(map[string]string) + } + if _, exist := base.extraMetadata[key]; !exist { + base.extraMetadata[key] = value + } +} + +// Author return author identity +func (base *OpBase) Author() identity.Interface { + return base.Author_ } diff --git a/bug/operation_iterator.go b/bug/operation_iterator.go deleted file mode 100644 index f42b1776..00000000 --- a/bug/operation_iterator.go +++ /dev/null @@ -1,72 +0,0 @@ -package bug - -type OperationIterator struct { - bug *Bug - packIndex int - opIndex int -} - -func NewOperationIterator(bug Interface) *OperationIterator { - return &OperationIterator{ - bug: bugFromInterface(bug), - packIndex: 0, - opIndex: -1, - } -} - -func (it *OperationIterator) Next() bool { - // Special case of the staging area - if it.packIndex == len(it.bug.packs) { - pack := it.bug.staging - it.opIndex++ - return it.opIndex < len(pack.Operations) - } - - if it.packIndex >= len(it.bug.packs) { - return false - } - - pack := it.bug.packs[it.packIndex] - - it.opIndex++ - - if it.opIndex < len(pack.Operations) { - return true - } - - // Note: this iterator doesn't handle the empty pack case - it.opIndex = 0 - it.packIndex++ - - // Special case of the non-empty staging area - if it.packIndex == len(it.bug.packs) && len(it.bug.staging.Operations) > 0 { - return true - } - - return it.packIndex < len(it.bug.packs) -} - -func (it *OperationIterator) Value() Operation { - // Special case of the staging area - if it.packIndex == len(it.bug.packs) { - pack := it.bug.staging - - if it.opIndex >= len(pack.Operations) { - panic("Iterator is not valid anymore") - } - - return pack.Operations[it.opIndex] - } - - if it.packIndex >= len(it.bug.packs) { - panic("Iterator is not valid anymore") - } - - pack := it.bug.packs[it.packIndex] - - if it.opIndex >= len(pack.Operations) { - panic("Iterator is not valid anymore") - } - - return pack.Operations[it.opIndex] -} diff --git a/bug/operation_iterator_test.go b/bug/operation_iterator_test.go deleted file mode 100644 index 5d245185..00000000 --- a/bug/operation_iterator_test.go +++ /dev/null @@ -1,78 +0,0 @@ -package bug - -import ( - "fmt" - "testing" - "time" - - "github.com/stretchr/testify/require" - - "github.com/MichaelMure/git-bug/identity" - "github.com/MichaelMure/git-bug/repository" -) - -func ExampleOperationIterator() { - b := NewBug() - - // add operations - - it := NewOperationIterator(b) - - for it.Next() { - // do something with each operations - _ = it.Value() - } -} - -func TestOpIterator(t *testing.T) { - mockRepo := repository.NewMockRepoForTest() - - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(mockRepo) - require.NoError(t, err) - - unix := time.Now().Unix() - - createOp := NewCreateOp(rene, unix, "title", "message", nil) - addCommentOp := NewAddCommentOp(rene, unix, "message2", nil) - setStatusOp := NewSetStatusOp(rene, unix, ClosedStatus) - labelChangeOp := NewLabelChangeOperation(rene, unix, []Label{"added"}, []Label{"removed"}) - - var i int - genTitleOp := func() Operation { - i++ - return NewSetTitleOp(rene, unix, fmt.Sprintf("title%d", i), "") - } - - bug1 := NewBug() - - // first pack - bug1.Append(createOp) - bug1.Append(addCommentOp) - bug1.Append(setStatusOp) - bug1.Append(labelChangeOp) - err = bug1.Commit(mockRepo) - require.NoError(t, err) - - // second pack - bug1.Append(genTitleOp()) - bug1.Append(genTitleOp()) - bug1.Append(genTitleOp()) - err = bug1.Commit(mockRepo) - require.NoError(t, err) - - // staging - bug1.Append(genTitleOp()) - bug1.Append(genTitleOp()) - bug1.Append(genTitleOp()) - - it := NewOperationIterator(bug1) - - counter := 0 - for it.Next() { - _ = it.Value() - counter++ - } - - require.Equal(t, 10, counter) -} diff --git a/bug/operation_pack.go b/bug/operation_pack.go deleted file mode 100644 index 1a8ef0db..00000000 --- a/bug/operation_pack.go +++ /dev/null @@ -1,188 +0,0 @@ -package bug - -import ( - "encoding/json" - "fmt" - - "github.com/pkg/errors" - - "github.com/MichaelMure/git-bug/entity" - "github.com/MichaelMure/git-bug/repository" -) - -// 1: original format -// 2: no more legacy identities -const formatVersion = 2 - -// OperationPack represent an ordered set of operation to apply -// to a Bug. These operations are stored in a single Git commit. -// -// These commits will be linked together in a linear chain of commits -// inside Git to form the complete ordered chain of operation to -// apply to get the final state of the Bug -type OperationPack struct { - Operations []Operation - - // Private field so not serialized - commitHash repository.Hash -} - -func (opp *OperationPack) MarshalJSON() ([]byte, error) { - return json.Marshal(struct { - Version uint `json:"version"` - Operations []Operation `json:"ops"` - }{ - Version: formatVersion, - Operations: opp.Operations, - }) -} - -func (opp *OperationPack) UnmarshalJSON(data []byte) error { - aux := struct { - Version uint `json:"version"` - Operations []json.RawMessage `json:"ops"` - }{} - - if err := json.Unmarshal(data, &aux); err != nil { - return err - } - - if aux.Version < formatVersion { - return entity.NewErrOldFormatVersion(aux.Version) - } - if aux.Version > formatVersion { - return entity.NewErrNewFormatVersion(aux.Version) - } - - for _, raw := range aux.Operations { - var t struct { - OperationType OperationType `json:"type"` - } - - if err := json.Unmarshal(raw, &t); err != nil { - return err - } - - // delegate to specialized unmarshal function - op, err := opp.unmarshalOp(raw, t.OperationType) - if err != nil { - return err - } - - opp.Operations = append(opp.Operations, op) - } - - return nil -} - -func (opp *OperationPack) unmarshalOp(raw []byte, _type OperationType) (Operation, error) { - switch _type { - case AddCommentOp: - op := &AddCommentOperation{} - err := json.Unmarshal(raw, &op) - return op, err - case CreateOp: - op := &CreateOperation{} - err := json.Unmarshal(raw, &op) - return op, err - case EditCommentOp: - op := &EditCommentOperation{} - err := json.Unmarshal(raw, &op) - return op, err - case LabelChangeOp: - op := &LabelChangeOperation{} - err := json.Unmarshal(raw, &op) - return op, err - case NoOpOp: - op := &NoOpOperation{} - err := json.Unmarshal(raw, &op) - return op, err - case SetMetadataOp: - op := &SetMetadataOperation{} - err := json.Unmarshal(raw, &op) - return op, err - case SetStatusOp: - op := &SetStatusOperation{} - err := json.Unmarshal(raw, &op) - return op, err - case SetTitleOp: - op := &SetTitleOperation{} - err := json.Unmarshal(raw, &op) - return op, err - default: - return nil, fmt.Errorf("unknown operation type %v", _type) - } -} - -// Append a new operation to the pack -func (opp *OperationPack) Append(op Operation) { - opp.Operations = append(opp.Operations, op) -} - -// IsEmpty tell if the OperationPack is empty -func (opp *OperationPack) IsEmpty() bool { - return len(opp.Operations) == 0 -} - -// IsValid tell if the OperationPack is considered valid -func (opp *OperationPack) Validate() error { - if opp.IsEmpty() { - return fmt.Errorf("empty") - } - - for _, op := range opp.Operations { - if err := op.Validate(); err != nil { - return errors.Wrap(err, "op") - } - } - - return nil -} - -// Write will serialize and store the OperationPack as a git blob and return -// its hash -func (opp *OperationPack) Write(repo repository.ClockedRepo) (repository.Hash, error) { - // make sure we don't write invalid data - err := opp.Validate() - if err != nil { - return "", errors.Wrap(err, "validation error") - } - - // First, make sure that all the identities are properly Commit as well - // TODO: this might be downgraded to "make sure it exist in git" but then, what make - // sure no data is lost on identities ? - for _, op := range opp.Operations { - if op.base().Author.NeedCommit() { - return "", fmt.Errorf("identity need commmit") - } - } - - data, err := json.Marshal(opp) - - if err != nil { - return "", err - } - - hash, err := repo.StoreData(data) - - if err != nil { - return "", err - } - - return hash, nil -} - -// Make a deep copy -func (opp *OperationPack) Clone() OperationPack { - - clone := OperationPack{ - Operations: make([]Operation, len(opp.Operations)), - commitHash: opp.commitHash, - } - - for i, op := range opp.Operations { - clone.Operations[i] = op - } - - return clone -} diff --git a/bug/operation_pack_test.go b/bug/operation_pack_test.go deleted file mode 100644 index 6aab0097..00000000 --- a/bug/operation_pack_test.go +++ /dev/null @@ -1,79 +0,0 @@ -package bug - -import ( - "encoding/json" - "testing" - "time" - - "github.com/stretchr/testify/assert" - "github.com/stretchr/testify/require" - - "github.com/MichaelMure/git-bug/identity" - "github.com/MichaelMure/git-bug/repository" -) - -func TestOperationPackSerialize(t *testing.T) { - opp := &OperationPack{} - - repo := repository.NewMockRepoForTest() - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(repo) - require.NoError(t, err) - - createOp := NewCreateOp(rene, time.Now().Unix(), "title", "message", nil) - setTitleOp := NewSetTitleOp(rene, time.Now().Unix(), "title2", "title1") - addCommentOp := NewAddCommentOp(rene, time.Now().Unix(), "message2", nil) - setStatusOp := NewSetStatusOp(rene, time.Now().Unix(), ClosedStatus) - labelChangeOp := NewLabelChangeOperation(rene, time.Now().Unix(), []Label{"added"}, []Label{"removed"}) - - opp.Append(createOp) - opp.Append(setTitleOp) - opp.Append(addCommentOp) - opp.Append(setStatusOp) - opp.Append(labelChangeOp) - - opMeta := NewSetTitleOp(rene, time.Now().Unix(), "title3", "title2") - opMeta.SetMetadata("key", "value") - opp.Append(opMeta) - - assert.Equal(t, 1, len(opMeta.Metadata)) - - opFile := NewAddCommentOp(rene, time.Now().Unix(), "message", []repository.Hash{ - "abcdef", - "ghijkl", - }) - opp.Append(opFile) - - assert.Equal(t, 2, len(opFile.Files)) - - data, err := json.Marshal(opp) - assert.NoError(t, err) - - var opp2 *OperationPack - err = json.Unmarshal(data, &opp2) - assert.NoError(t, err) - - ensureIds(opp) - ensureAuthors(t, opp, opp2) - - assert.Equal(t, opp, opp2) -} - -func ensureIds(opp *OperationPack) { - for _, op := range opp.Operations { - op.Id() - } -} - -func ensureAuthors(t *testing.T, opp1 *OperationPack, opp2 *OperationPack) { - require.Equal(t, len(opp1.Operations), len(opp2.Operations)) - for i := 0; i < len(opp1.Operations); i++ { - op1 := opp1.Operations[i] - op2 := opp2.Operations[i] - - // ensure we have equivalent authors (IdentityStub vs Identity) then - // enforce equality - require.Equal(t, op1.base().Author.Id(), op2.base().Author.Id()) - op1.base().Author = op2.base().Author - } -} diff --git a/bug/operation_test.go b/bug/operation_test.go index 20799bb1..619f2b43 100644 --- a/bug/operation_test.go +++ b/bug/operation_test.go @@ -11,7 +11,16 @@ import ( ) func TestValidate(t *testing.T) { - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") + repo := repository.NewMockRepoClock() + + makeIdentity := func(t *testing.T, name, email string) *identity.Identity { + i, err := identity.NewIdentity(repo, name, email) + require.NoError(t, err) + return i + } + + rene := makeIdentity(t, "René Descartes", "rene@descartes.fr") + unix := time.Now().Unix() good := []Operation{ @@ -30,13 +39,13 @@ func TestValidate(t *testing.T) { bad := []Operation{ // opbase - NewSetStatusOp(identity.NewIdentity("", "rene@descartes.fr"), unix, ClosedStatus), - NewSetStatusOp(identity.NewIdentity("René Descartes\u001b", "rene@descartes.fr"), unix, ClosedStatus), - NewSetStatusOp(identity.NewIdentity("René Descartes", "rene@descartes.fr\u001b"), unix, ClosedStatus), - NewSetStatusOp(identity.NewIdentity("René \nDescartes", "rene@descartes.fr"), unix, ClosedStatus), - NewSetStatusOp(identity.NewIdentity("René Descartes", "rene@\ndescartes.fr"), unix, ClosedStatus), + NewSetStatusOp(makeIdentity(t, "", "rene@descartes.fr"), unix, ClosedStatus), + NewSetStatusOp(makeIdentity(t, "René Descartes\u001b", "rene@descartes.fr"), unix, ClosedStatus), + NewSetStatusOp(makeIdentity(t, "René Descartes", "rene@descartes.fr\u001b"), unix, ClosedStatus), + NewSetStatusOp(makeIdentity(t, "René \nDescartes", "rene@descartes.fr"), unix, ClosedStatus), + NewSetStatusOp(makeIdentity(t, "René Descartes", "rene@\ndescartes.fr"), unix, ClosedStatus), &CreateOperation{OpBase: OpBase{ - Author: rene, + Author_: rene, UnixTime: 0, OperationType: CreateOp, }, @@ -68,7 +77,11 @@ func TestValidate(t *testing.T) { } func TestMetadata(t *testing.T) { - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") + repo := repository.NewMockRepoClock() + + rene, err := identity.NewIdentity(repo, "René Descartes", "rene@descartes.fr") + require.NoError(t, err) + op := NewCreateOp(rene, time.Now().Unix(), "title", "message", nil) op.SetMetadata("key", "value") @@ -83,13 +96,14 @@ func TestID(t *testing.T) { defer repository.CleanupTestRepos(repo) repos := []repository.ClockedRepo{ - repository.NewMockRepoForTest(), + repository.NewMockRepo(), repo, } for _, repo := range repos { - rene := identity.NewIdentity("René Descartes", "rene@descartes.fr") - err := rene.Commit(repo) + rene, err := identity.NewIdentity(repo, "René Descartes", "rene@descartes.fr") + require.NoError(t, err) + err = rene.Commit(repo) require.NoError(t, err) b, op, err := Create(rene, time.Now().Unix(), "title", "message") @@ -107,7 +121,7 @@ func TestID(t *testing.T) { require.NoError(t, id2.Validate()) require.Equal(t, id1, id2) - b2, err := ReadLocal(repo, b.Id()) + b2, err := Read(repo, b.Id()) require.NoError(t, err) op3 := b2.FirstOp() diff --git a/bug/snapshot.go b/bug/snapshot.go index 11df04b2..0005b930 100644 --- a/bug/snapshot.go +++ b/bug/snapshot.go @@ -28,6 +28,11 @@ type Snapshot struct { // Return the Bug identifier func (snap *Snapshot) Id() entity.Id { + if snap.id == "" { + // simply panic as it would be a coding error + // (using an id of a bug not stored yet) + panic("no id yet") + } return snap.id } diff --git a/bug/sorting.go b/bug/sorting.go index d1c370d3..2e64b92d 100644 --- a/bug/sorting.go +++ b/bug/sorting.go @@ -7,11 +7,11 @@ func (b BugsByCreationTime) Len() int { } func (b BugsByCreationTime) Less(i, j int) bool { - if b[i].createTime < b[j].createTime { + if b[i].CreateLamportTime() < b[j].CreateLamportTime() { return true } - if b[i].createTime > b[j].createTime { + if b[i].CreateLamportTime() > b[j].CreateLamportTime() { return false } @@ -35,11 +35,11 @@ func (b BugsByEditTime) Len() int { } func (b BugsByEditTime) Less(i, j int) bool { - if b[i].editTime < b[j].editTime { + if b[i].EditLamportTime() < b[j].EditLamportTime() { return true } - if b[i].editTime > b[j].editTime { + if b[i].EditLamportTime() > b[j].EditLamportTime() { return false } diff --git a/bug/with_snapshot.go b/bug/with_snapshot.go index 2b2439df..9b706d61 100644 --- a/bug/with_snapshot.go +++ b/bug/with_snapshot.go @@ -47,12 +47,6 @@ func (b *WithSnapshot) Commit(repo repository.ClockedRepo) error { return nil } - b.snap.id = b.Bug.id + b.snap.id = b.Bug.Id() return nil } - -// Merge intercept Bug.Merge() and clear the snapshot -func (b *WithSnapshot) Merge(repo repository.Repo, other Interface) (bool, error) { - b.snap = nil - return b.Bug.Merge(repo, other) -} |