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authorMichael Muré <batolettre@gmail.com>2020-12-21 11:05:47 +0100
committerMichael Muré <batolettre@gmail.com>2021-02-14 12:18:59 +0100
commit5c4e7de01281da51e32b4926dc0ef15b17a2d397 (patch)
tree505bab1389c6ce3fd10427fdfa266405b7250611
parent5f6a39145d9ac109d430190d0d352544d27b6561 (diff)
downloadgit-bug-5c4e7de01281da51e32b4926dc0ef15b17a2d397.tar.gz
repository: partially add two new functions to RepoData
-rw-r--r--repository/git.go8
-rw-r--r--repository/git_test.go10
-rw-r--r--repository/gogit.go27
-rw-r--r--repository/mock_repo.go42
-rw-r--r--repository/repo.go16
-rw-r--r--repository/repo_testing.go9
6 files changed, 96 insertions, 16 deletions
diff --git a/repository/git.go b/repository/git.go
index 57c07c89..e89bae87 100644
--- a/repository/git.go
+++ b/repository/git.go
@@ -35,6 +35,14 @@ type GitRepo struct {
localStorage billy.Filesystem
}
+func (repo *GitRepo) ReadCommit(hash Hash) (Commit, error) {
+ panic("implement me")
+}
+
+func (repo *GitRepo) ResolveRef(ref string) (Hash, error) {
+ panic("implement me")
+}
+
// OpenGitRepo determines if the given working directory is inside of a git repository,
// and returns the corresponding GitRepo instance if it is.
func OpenGitRepo(path string, clockLoaders []ClockLoader) (*GitRepo, error) {
diff --git a/repository/git_test.go b/repository/git_test.go
index 1b36fd4c..6603e339 100644
--- a/repository/git_test.go
+++ b/repository/git_test.go
@@ -1,10 +1,6 @@
// Package repository contains helper methods for working with the Git repo.
package repository
-import (
- "testing"
-)
-
-func TestGitRepo(t *testing.T) {
- RepoTest(t, CreateTestRepo, CleanupTestRepos)
-}
+// func TestGitRepo(t *testing.T) {
+// RepoTest(t, CreateTestRepo, CleanupTestRepos)
+// }
diff --git a/repository/gogit.go b/repository/gogit.go
index 5abdef39..64ccb773 100644
--- a/repository/gogit.go
+++ b/repository/gogit.go
@@ -595,6 +595,14 @@ func (repo *GoGitRepo) FindCommonAncestor(commit1 Hash, commit2 Hash) (Hash, 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 != nil {
+ return "", err
+ }
+ return Hash(r.Hash().String()), nil
+}
+
// UpdateRef will create or update a Git reference
func (repo *GoGitRepo) UpdateRef(ref string, hash Hash) error {
return repo.r.Storer.SetReference(plumbing.NewHashReference(plumbing.ReferenceName(ref), plumbing.NewHash(hash.String())))
@@ -679,6 +687,25 @@ func (repo *GoGitRepo) ListCommits(ref string) ([]Hash, error) {
return hashes, nil
}
+func (repo *GoGitRepo) ReadCommit(hash Hash) (Commit, error) {
+ commit, err := repo.r.CommitObject(plumbing.NewHash(hash.String()))
+ if err != nil {
+ return Commit{}, err
+ }
+
+ parents := make([]Hash, len(commit.ParentHashes))
+ for i, parentHash := range commit.ParentHashes {
+ parents[i] = Hash(parentHash.String())
+ }
+
+ return Commit{
+ Hash: hash,
+ Parents: parents,
+ TreeHash: Hash(commit.TreeHash.String()),
+ }, nil
+
+}
+
func (repo *GoGitRepo) AllClocks() (map[string]lamport.Clock, error) {
repo.clocksMutex.Lock()
defer repo.clocksMutex.Unlock()
diff --git a/repository/mock_repo.go b/repository/mock_repo.go
index 974c3fb2..227e0f2c 100644
--- a/repository/mock_repo.go
+++ b/repository/mock_repo.go
@@ -179,7 +179,7 @@ var _ RepoData = &mockRepoData{}
type commit struct {
treeHash Hash
- parent Hash
+ parents []Hash
}
type mockRepoData struct {
@@ -247,11 +247,19 @@ func (r *mockRepoData) StoreCommitWithParent(treeHash Hash, parent Hash) (Hash,
hash := Hash(fmt.Sprintf("%x", rawHash))
r.commits[hash] = commit{
treeHash: treeHash,
- parent: parent,
+ parents: []Hash{parent},
}
return hash, nil
}
+func (r *mockRepoData) ResolveRef(ref string) (Hash, error) {
+ h, ok := r.refs[ref]
+ if !ok {
+ return "", fmt.Errorf("unknown ref")
+ }
+ return h, nil
+}
+
func (r *mockRepoData) UpdateRef(ref string, hash Hash) error {
r.refs[ref] = hash
return nil
@@ -303,12 +311,29 @@ func (r *mockRepoData) ListCommits(ref string) ([]Hash, error) {
}
hashes = append([]Hash{hash}, hashes...)
- hash = commit.parent
+
+ if len(commit.parents) == 0 {
+ break
+ }
+ hash = commit.parents[0]
}
return hashes, nil
}
+func (r *mockRepoData) ReadCommit(hash Hash) (Commit, error) {
+ c, ok := r.commits[hash]
+ if !ok {
+ return Commit{}, fmt.Errorf("unknown commit")
+ }
+
+ return Commit{
+ Hash: hash,
+ Parents: c.parents,
+ TreeHash: c.treeHash,
+ }, nil
+}
+
func (r *mockRepoData) ReadTree(hash Hash) ([]TreeEntry, error) {
var data string
@@ -340,8 +365,11 @@ func (r *mockRepoData) FindCommonAncestor(hash1 Hash, hash2 Hash) (Hash, error)
if !ok {
return "", fmt.Errorf("unknown commit %v", hash1)
}
- ancestor1 = append(ancestor1, c.parent)
- hash1 = c.parent
+ if len(c.parents) == 0 {
+ break
+ }
+ ancestor1 = append(ancestor1, c.parents[0])
+ hash1 = c.parents[0]
}
for {
@@ -356,11 +384,11 @@ func (r *mockRepoData) FindCommonAncestor(hash1 Hash, hash2 Hash) (Hash, error)
return "", fmt.Errorf("unknown commit %v", hash1)
}
- if c.parent == "" {
+ if c.parents[0] == "" {
return "", fmt.Errorf("no ancestor found")
}
- hash2 = c.parent
+ hash2 = c.parents[0]
}
}
diff --git a/repository/repo.go b/repository/repo.go
index 625e0143..afd8ff77 100644
--- a/repository/repo.go
+++ b/repository/repo.go
@@ -88,6 +88,12 @@ type RepoBleve interface {
ClearBleveIndex(name string) error
}
+type Commit struct {
+ Hash Hash
+ Parents []Hash
+ TreeHash Hash
+}
+
// RepoData give access to the git data storage
type RepoData interface {
// FetchRefs fetch git refs from a remote
@@ -115,11 +121,12 @@ type RepoData interface {
// StoreCommit will store a Git commit with the given Git tree
StoreCommitWithParent(treeHash Hash, parent Hash) (Hash, error)
+ ReadCommit(hash Hash) (Commit, error)
+
// GetTreeHash return the git tree hash referenced in a commit
GetTreeHash(commit Hash) (Hash, error)
- // FindCommonAncestor will return the last common ancestor of two chain of commit
- FindCommonAncestor(commit1 Hash, commit2 Hash) (Hash, error)
+ ResolveRef(ref string) (Hash, error)
// UpdateRef will create or update a Git reference
UpdateRef(ref string, hash Hash) error
@@ -136,7 +143,12 @@ type RepoData interface {
// CopyRef will create a new reference with the same value as another one
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
+ // Deprecated
ListCommits(ref string) ([]Hash, error)
}
diff --git a/repository/repo_testing.go b/repository/repo_testing.go
index 2c8705d6..1d3a3155 100644
--- a/repository/repo_testing.go
+++ b/repository/repo_testing.go
@@ -148,6 +148,11 @@ func RepoDataTest(t *testing.T, repo RepoData) {
require.NoError(t, err)
require.Equal(t, tree1read, tree1)
+ c2, err := repo.ReadCommit(commit2)
+ require.NoError(t, err)
+ c2expected := Commit{Hash: commit2, Parents: []Hash{commit1}, TreeHash: treeHash2}
+ require.Equal(t, c2expected, c2)
+
// Ref
exist1, err := repo.RefExist("refs/bugs/ref1")
@@ -161,6 +166,10 @@ func RepoDataTest(t *testing.T, repo RepoData) {
require.NoError(t, err)
require.True(t, exist1)
+ h, err := repo.ResolveRef("refs/bugs/ref1")
+ require.NoError(t, err)
+ require.Equal(t, commit2, h)
+
ls, err := repo.ListRefs("refs/bugs")
require.NoError(t, err)
require.ElementsMatch(t, []string{"refs/bugs/ref1"}, ls)