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-rw-r--r--repository/gogit.go98
-rw-r--r--repository/hash.go2
-rw-r--r--repository/mock_repo.go60
-rw-r--r--repository/repo.go19
-rw-r--r--repository/repo_testing.go37
5 files changed, 85 insertions, 131 deletions
diff --git a/repository/gogit.go b/repository/gogit.go
index 746204df..781eec73 100644
--- a/repository/gogit.go
+++ b/repository/gogit.go
@@ -342,14 +342,18 @@ func (repo *GoGitRepo) GetIndex(name string) (Index, error) {
// FetchRefs fetch git refs matching a directory prefix to a remote
// Ex: prefix="foo" will fetch any remote refs matching "refs/foo/*" locally.
// The equivalent git refspec would be "refs/foo/*:refs/remotes/<remote>/foo/*"
-func (repo *GoGitRepo) FetchRefs(remote string, prefix string) (string, error) {
- refspec := fmt.Sprintf("refs/%s/*:refs/remotes/%s/%s/*", prefix, remote, prefix)
+func (repo *GoGitRepo) FetchRefs(remote string, prefixes ...string) (string, error) {
+ refSpecs := make([]config.RefSpec, len(prefixes))
+
+ for i, prefix := range prefixes {
+ refSpecs[i] = config.RefSpec(fmt.Sprintf("refs/%s/*:refs/remotes/%s/%s/*", prefix, remote, prefix))
+ }
buf := bytes.NewBuffer(nil)
err := repo.r.Fetch(&gogit.FetchOptions{
RemoteName: remote,
- RefSpecs: []config.RefSpec{config.RefSpec(refspec)},
+ RefSpecs: refSpecs,
Progress: buf,
})
if err == gogit.NoErrAlreadyUpToDate {
@@ -368,35 +372,41 @@ func (repo *GoGitRepo) FetchRefs(remote string, prefix string) (string, error) {
//
// Additionally, PushRefs will update the local references in refs/remotes/<remote>/foo to match
// the remote state.
-func (repo *GoGitRepo) PushRefs(remote string, prefix string) (string, error) {
- refspec := fmt.Sprintf("refs/%s/*:refs/%s/*", prefix, prefix)
-
+func (repo *GoGitRepo) PushRefs(remote string, prefixes ...string) (string, error) {
remo, err := repo.r.Remote(remote)
if err != nil {
return "", err
}
- // to make sure that the push also create the corresponding refs/remotes/<remote>/... references,
- // we need to have a default fetch refspec configured on the remote, to make our refs "track" the remote ones.
- // This does not change the config on disk, only on memory.
- hasCustomFetch := false
- fetchRefspec := fmt.Sprintf("refs/%s/*:refs/remotes/%s/%s/*", prefix, remote, prefix)
- for _, r := range remo.Config().Fetch {
- if string(r) == fetchRefspec {
- hasCustomFetch = true
- break
+ refSpecs := make([]config.RefSpec, len(prefixes))
+
+ for i, prefix := range prefixes {
+ refspec := fmt.Sprintf("refs/%s/*:refs/%s/*", prefix, prefix)
+
+ // to make sure that the push also create the corresponding refs/remotes/<remote>/... references,
+ // we need to have a default fetch refspec configured on the remote, to make our refs "track" the remote ones.
+ // This does not change the config on disk, only on memory.
+ hasCustomFetch := false
+ fetchRefspec := fmt.Sprintf("refs/%s/*:refs/remotes/%s/%s/*", prefix, remote, prefix)
+ for _, r := range remo.Config().Fetch {
+ if string(r) == fetchRefspec {
+ hasCustomFetch = true
+ break
+ }
}
- }
- if !hasCustomFetch {
- remo.Config().Fetch = append(remo.Config().Fetch, config.RefSpec(fetchRefspec))
+ if !hasCustomFetch {
+ remo.Config().Fetch = append(remo.Config().Fetch, config.RefSpec(fetchRefspec))
+ }
+
+ refSpecs[i] = config.RefSpec(refspec)
}
buf := bytes.NewBuffer(nil)
err = remo.Push(&gogit.PushOptions{
RemoteName: remote,
- RefSpecs: []config.RefSpec{config.RefSpec(refspec)},
+ RefSpecs: refSpecs,
Progress: buf,
})
if err == gogit.NoErrAlreadyUpToDate {
@@ -438,6 +448,9 @@ func (repo *GoGitRepo) ReadData(hash Hash) ([]byte, error) {
defer repo.rMutex.Unlock()
obj, err := repo.r.BlobObject(plumbing.NewHash(hash.String()))
+ if err == plumbing.ErrObjectNotFound {
+ return nil, ErrNotFound
+ }
if err != nil {
return nil, err
}
@@ -507,6 +520,9 @@ func (repo *GoGitRepo) ReadTree(hash Hash) ([]TreeEntry, error) {
// the given hash could be a tree or a commit
obj, err := repo.r.Storer.EncodedObject(plumbing.AnyObject, h)
+ if err == plumbing.ErrObjectNotFound {
+ return nil, ErrNotFound
+ }
if err != nil {
return nil, err
}
@@ -613,43 +629,11 @@ func (repo *GoGitRepo) StoreSignedCommit(treeHash Hash, signKey *openpgp.Entity,
return Hash(hash.String()), nil
}
-// GetTreeHash return the git tree hash referenced in a commit
-func (repo *GoGitRepo) GetTreeHash(commit Hash) (Hash, error) {
- repo.rMutex.Lock()
- defer repo.rMutex.Unlock()
-
- obj, err := repo.r.CommitObject(plumbing.NewHash(commit.String()))
- if err != nil {
- return "", err
- }
-
- return Hash(obj.TreeHash.String()), nil
-}
-
-// FindCommonAncestor will return the last common ancestor of two chain of commit
-func (repo *GoGitRepo) FindCommonAncestor(commit1 Hash, commit2 Hash) (Hash, error) {
- repo.rMutex.Lock()
- defer repo.rMutex.Unlock()
-
- obj1, err := repo.r.CommitObject(plumbing.NewHash(commit1.String()))
- if err != nil {
- return "", err
- }
- obj2, err := repo.r.CommitObject(plumbing.NewHash(commit2.String()))
- if err != nil {
- return "", err
- }
-
- commits, err := obj1.MergeBase(obj2)
- if err != nil {
- return "", err
- }
-
- return Hash(commits[0].Hash.String()), nil
-}
-
func (repo *GoGitRepo) ResolveRef(ref string) (Hash, error) {
r, err := repo.r.Reference(plumbing.ReferenceName(ref), false)
+ if err == plumbing.ErrReferenceNotFound {
+ return "", ErrNotFound
+ }
if err != nil {
return "", err
}
@@ -702,6 +686,9 @@ func (repo *GoGitRepo) RefExist(ref string) (bool, error) {
// CopyRef will create a new reference with the same value as another one
func (repo *GoGitRepo) CopyRef(source string, dest string) error {
r, err := repo.r.Reference(plumbing.ReferenceName(source), false)
+ if err == plumbing.ErrReferenceNotFound {
+ return ErrNotFound
+ }
if err != nil {
return err
}
@@ -718,6 +705,9 @@ func (repo *GoGitRepo) ReadCommit(hash Hash) (Commit, error) {
defer repo.rMutex.Unlock()
commit, err := repo.r.CommitObject(plumbing.NewHash(hash.String()))
+ if err == plumbing.ErrObjectNotFound {
+ return Commit{}, ErrNotFound
+ }
if err != nil {
return Commit{}, err
}
diff --git a/repository/hash.go b/repository/hash.go
index 6a11558f..ad0206c3 100644
--- a/repository/hash.go
+++ b/repository/hash.go
@@ -43,7 +43,7 @@ func (h *Hash) IsValid() bool {
return false
}
for _, r := range *h {
- if (r < 'a' || r > 'z') && (r < '0' || r > '9') {
+ if (r < 'a' || r > 'f') && (r < '0' || r > '9') {
return false
}
}
diff --git a/repository/mock_repo.go b/repository/mock_repo.go
index f869795d..c2cef8ef 100644
--- a/repository/mock_repo.go
+++ b/repository/mock_repo.go
@@ -239,12 +239,12 @@ func NewMockRepoData() *mockRepoData {
}
}
-func (r *mockRepoData) FetchRefs(remote string, prefix string) (string, error) {
+func (r *mockRepoData) FetchRefs(remote string, prefixes ...string) (string, error) {
panic("implement me")
}
// PushRefs push git refs to a remote
-func (r *mockRepoData) PushRefs(remote string, prefix string) (string, error) {
+func (r *mockRepoData) PushRefs(remote string, prefixes ...string) (string, error) {
panic("implement me")
}
@@ -258,7 +258,7 @@ func (r *mockRepoData) StoreData(data []byte) (Hash, error) {
func (r *mockRepoData) ReadData(hash Hash) ([]byte, error) {
data, ok := r.blobs[hash]
if !ok {
- return nil, fmt.Errorf("unknown hash")
+ return nil, ErrNotFound
}
return data, nil
@@ -283,13 +283,13 @@ func (r *mockRepoData) ReadTree(hash Hash) ([]TreeEntry, error) {
commit, ok := r.commits[hash]
if !ok {
- return nil, fmt.Errorf("unknown hash")
+ return nil, ErrNotFound
}
data, ok = r.trees[commit.treeHash]
if !ok {
- return nil, fmt.Errorf("unknown hash")
+ return nil, ErrNotFound
}
}
@@ -327,7 +327,7 @@ func (r *mockRepoData) StoreSignedCommit(treeHash Hash, signKey *openpgp.Entity,
func (r *mockRepoData) ReadCommit(hash Hash) (Commit, error) {
c, ok := r.commits[hash]
if !ok {
- return Commit{}, fmt.Errorf("unknown commit")
+ return Commit{}, ErrNotFound
}
result := Commit{
@@ -346,19 +346,10 @@ func (r *mockRepoData) ReadCommit(hash Hash) (Commit, error) {
return result, nil
}
-func (r *mockRepoData) GetTreeHash(commit Hash) (Hash, error) {
- c, ok := r.commits[commit]
- if !ok {
- return "", fmt.Errorf("unknown commit")
- }
-
- return c.treeHash, nil
-}
-
func (r *mockRepoData) ResolveRef(ref string) (Hash, error) {
h, ok := r.refs[ref]
if !ok {
- return "", fmt.Errorf("unknown ref")
+ return "", ErrNotFound
}
return h, nil
}
@@ -394,48 +385,13 @@ func (r *mockRepoData) CopyRef(source string, dest string) error {
hash, exist := r.refs[source]
if !exist {
- return fmt.Errorf("Unknown ref")
+ return ErrNotFound
}
r.refs[dest] = hash
return nil
}
-func (r *mockRepoData) FindCommonAncestor(hash1 Hash, hash2 Hash) (Hash, error) {
- ancestor1 := []Hash{hash1}
-
- for hash1 != "" {
- c, ok := r.commits[hash1]
- if !ok {
- return "", fmt.Errorf("unknown commit %v", hash1)
- }
- if len(c.parents) == 0 {
- break
- }
- ancestor1 = append(ancestor1, c.parents[0])
- hash1 = c.parents[0]
- }
-
- for {
- for _, ancestor := range ancestor1 {
- if ancestor == hash2 {
- return ancestor, nil
- }
- }
-
- c, ok := r.commits[hash2]
- if !ok {
- return "", fmt.Errorf("unknown commit %v", hash1)
- }
-
- if c.parents[0] == "" {
- return "", fmt.Errorf("no ancestor found")
- }
-
- hash2 = c.parents[0]
- }
-}
-
func (r *mockRepoData) ListCommits(ref string) ([]Hash, error) {
return nonNativeListCommits(r, ref)
}
diff --git a/repository/repo.go b/repository/repo.go
index 42ed194c..66baec65 100644
--- a/repository/repo.go
+++ b/repository/repo.go
@@ -16,6 +16,8 @@ var (
ErrNotARepo = errors.New("not a git repository")
// ErrClockNotExist is the error returned when a clock can't be found
ErrClockNotExist = errors.New("clock doesn't exist")
+ // ErrNotFound is the error returned when a git object can't be found
+ ErrNotFound = errors.New("ref not found")
)
// Repo represents a source code repository.
@@ -122,7 +124,7 @@ type RepoData interface {
// FetchRefs fetch git refs matching a directory prefix to a remote
// Ex: prefix="foo" will fetch any remote refs matching "refs/foo/*" locally.
// The equivalent git refspec would be "refs/foo/*:refs/remotes/<remote>/foo/*"
- FetchRefs(remote string, prefix string) (string, error)
+ FetchRefs(remote string, prefixes ...string) (string, error)
// PushRefs push git refs matching a directory prefix to a remote
// Ex: prefix="foo" will push any local refs matching "refs/foo/*" to the remote.
@@ -130,12 +132,13 @@ type RepoData interface {
//
// Additionally, PushRefs will update the local references in refs/remotes/<remote>/foo to match
// the remote state.
- PushRefs(remote string, prefix string) (string, error)
+ PushRefs(remote string, prefixes ...string) (string, error)
// StoreData will store arbitrary data and return the corresponding hash
StoreData(data []byte) (Hash, error)
// ReadData will attempt to read arbitrary data from the given hash
+ // Returns ErrNotFound if not found.
ReadData(hash Hash) ([]byte, error)
// StoreTree will store a mapping key-->Hash as a Git tree
@@ -143,6 +146,7 @@ type RepoData interface {
// ReadTree will return the list of entries in a Git tree
// The given hash could be from either a commit or a tree
+ // Returns ErrNotFound if not found.
ReadTree(hash Hash) ([]TreeEntry, error)
// StoreCommit will store a Git commit with the given Git tree
@@ -153,13 +157,11 @@ type RepoData interface {
StoreSignedCommit(treeHash Hash, signKey *openpgp.Entity, parents ...Hash) (Hash, error)
// ReadCommit read a Git commit and returns some of its characteristic
+ // Returns ErrNotFound if not found.
ReadCommit(hash Hash) (Commit, error)
- // GetTreeHash return the git tree hash referenced in a commit
- // Deprecated
- GetTreeHash(commit Hash) (Hash, error)
-
// ResolveRef returns the hash of the target commit of the given ref
+ // Returns ErrNotFound if not found.
ResolveRef(ref string) (Hash, error)
// UpdateRef will create or update a Git reference
@@ -176,12 +178,9 @@ type RepoData interface {
RefExist(ref string) (bool, error)
// CopyRef will create a new reference with the same value as another one
+ // Returns ErrNotFound if not found.
CopyRef(source string, dest string) error
- // FindCommonAncestor will return the last common ancestor of two chain of commit
- // Deprecated
- FindCommonAncestor(commit1 Hash, commit2 Hash) (Hash, error)
-
// ListCommits will return the list of tree hashes of a ref, in chronological order
ListCommits(ref string) ([]Hash, error)
}
diff --git a/repository/repo_testing.go b/repository/repo_testing.go
index c4ed6d77..821eb762 100644
--- a/repository/repo_testing.go
+++ b/repository/repo_testing.go
@@ -48,6 +48,15 @@ func RepoConfigTest(t *testing.T, repo RepoConfig) {
testConfig(t, repo.LocalConfig())
}
+func randomHash() Hash {
+ var letterRunes = "abcdef0123456789"
+ b := make([]byte, idLengthSHA256)
+ for i := range b {
+ b[i] = letterRunes[rand.Intn(len(letterRunes))]
+ }
+ return Hash(b)
+}
+
// helper to test a RepoData
func RepoDataTest(t *testing.T, repo RepoData) {
// Blob
@@ -62,6 +71,9 @@ func RepoDataTest(t *testing.T, repo RepoData) {
require.NoError(t, err)
require.Equal(t, data, blob1Read)
+ _, err = repo.ReadData(randomHash())
+ require.ErrorIs(t, err, ErrNotFound)
+
// Tree
blobHash2, err := repo.StoreData(randomData())
@@ -111,25 +123,20 @@ func RepoDataTest(t *testing.T, repo RepoData) {
require.NoError(t, err)
require.ElementsMatch(t, tree2, tree2Read)
+ _, err = repo.ReadTree(randomHash())
+ require.ErrorIs(t, err, ErrNotFound)
+
// Commit
commit1, err := repo.StoreCommit(treeHash1)
require.NoError(t, err)
require.True(t, commit1.IsValid())
- treeHash1Read, err := repo.GetTreeHash(commit1)
- require.NoError(t, err)
- require.Equal(t, treeHash1, treeHash1Read)
-
// commit with a parent
commit2, err := repo.StoreCommit(treeHash2, commit1)
require.NoError(t, err)
require.True(t, commit2.IsValid())
- treeHash2Read, err := repo.GetTreeHash(commit2)
- require.NoError(t, err)
- require.Equal(t, treeHash2, treeHash2Read)
-
// ReadTree should accept tree and commit hashes
tree1read, err := repo.ReadTree(commit1)
require.NoError(t, err)
@@ -140,6 +147,9 @@ func RepoDataTest(t *testing.T, repo RepoData) {
c2expected := Commit{Hash: commit2, Parents: []Hash{commit1}, TreeHash: treeHash2}
require.Equal(t, c2expected, c2)
+ _, err = repo.ReadCommit(randomHash())
+ require.ErrorIs(t, err, ErrNotFound)
+
// Ref
exist1, err := repo.RefExist("refs/bugs/ref1")
@@ -172,14 +182,13 @@ func RepoDataTest(t *testing.T, repo RepoData) {
require.NoError(t, err)
require.Equal(t, []Hash{commit1, commit2}, commits)
- // Graph
+ _, err = repo.ResolveRef("/refs/bugs/refnotexist")
+ require.ErrorIs(t, err, ErrNotFound)
- commit3, err := repo.StoreCommit(treeHash1, commit1)
- require.NoError(t, err)
+ err = repo.CopyRef("/refs/bugs/refnotexist", "refs/foo")
+ require.ErrorIs(t, err, ErrNotFound)
- ancestorHash, err := repo.FindCommonAncestor(commit2, commit3)
- require.NoError(t, err)
- require.Equal(t, commit1, ancestorHash)
+ // Cleanup
err = repo.RemoveRef("refs/bugs/ref1")
require.NoError(t, err)
generated by cgit (git 2.34.1) at 2024-11-05 19:40:21 +0000