update git vendor to fix wrong release commit id and add migrations (#6224)

* update git vendor to fix wrong release commit id and add migrations

* fix count

* fix migration release

* fix tests

4 files changed, 36 insertions, 8 deletions

diff --git a/vendor/code.gitea.io/git/cache.go b/vendor/code.gitea.io/git/cache.go
new file mode 100644
index 0000000000..dbbbafae4c
--- /dev/null
+++ b/vendor/code.gitea.io/git/cache.go
@@ -0,0 +1,11 @@
+// Copyright 2019 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package git
+
+// LastCommitCache cache
+type LastCommitCache interface {
+	Get(repoPath, ref, entryPath string) (*Commit, error)
+	Put(repoPath, ref, entryPath string, commit *Commit) error
+}
diff --git a/vendor/code.gitea.io/git/commit_info.go b/vendor/code.gitea.io/git/commit_info.go
index 6b42b57c90..971082be1f 100644
--- a/vendor/code.gitea.io/git/commit_info.go
+++ b/vendor/code.gitea.io/git/commit_info.go
@@ -72,13 +72,20 @@ func (state *getCommitsInfoState) getTargetedEntryPath() string {
 }
 
 // repeatedly perform targeted searches for unpopulated entries
-func targetedSearch(state *getCommitsInfoState, done chan error) {
+func targetedSearch(state *getCommitsInfoState, done chan error, cache LastCommitCache) {
 	for {
 		entryPath := state.getTargetedEntryPath()
 		if len(entryPath) == 0 {
 			done <- nil
 			return
 		}
+		if cache != nil {
+			commit, err := cache.Get(state.headCommit.repo.Path, state.headCommit.ID.String(), entryPath)
+			if err == nil && commit != nil {
+				state.update(entryPath, commit)
+				continue
+			}
+		}
 		command := NewCommand("rev-list", "-1", state.headCommit.ID.String(), "--", entryPath)
 		output, err := command.RunInDir(state.headCommit.repo.Path)
 		if err != nil {
@@ -96,6 +103,9 @@ func targetedSearch(state *getCommitsInfoState, done chan error) {
 			return
 		}
 		state.update(entryPath, commit)
+		if cache != nil {
+			cache.Put(state.headCommit.repo.Path, state.headCommit.ID.String(), entryPath, commit)
+		}
 	}
 }
 
@@ -118,9 +128,9 @@ func initGetCommitInfoState(entries Entries, headCommit *Commit, treePath string
 }
 
 // GetCommitsInfo gets information of all commits that are corresponding to these entries
-func (tes Entries) GetCommitsInfo(commit *Commit, treePath string) ([][]interface{}, error) {
+func (tes Entries) GetCommitsInfo(commit *Commit, treePath string, cache LastCommitCache) ([][]interface{}, error) {
 	state := initGetCommitInfoState(tes, commit, treePath)
-	if err := getCommitsInfo(state); err != nil {
+	if err := getCommitsInfo(state, cache); err != nil {
 		return nil, err
 	}
 	if len(state.commits) < len(state.entryPaths) {
@@ -188,7 +198,7 @@ func (state *getCommitsInfoState) update(entryPath string, commit *Commit) bool
 
 const getCommitsInfoPretty = "--pretty=format:%H %ct %s"
 
-func getCommitsInfo(state *getCommitsInfoState) error {
+func getCommitsInfo(state *getCommitsInfoState, cache LastCommitCache) error {
 	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
 	defer cancel()
 
@@ -215,7 +225,7 @@ func getCommitsInfo(state *getCommitsInfoState) error {
 	numThreads := runtime.NumCPU()
 	done := make(chan error, numThreads)
 	for i := 0; i < numThreads; i++ {
-		go targetedSearch(state, done)
+		go targetedSearch(state, done, cache)
 	}
 
 	scanner := bufio.NewScanner(readCloser)
diff --git a/vendor/code.gitea.io/git/repo_commit.go b/vendor/code.gitea.io/git/repo_commit.go
index bfbf5c6dae..fbb8f97a1d 100644
--- a/vendor/code.gitea.io/git/repo_commit.go
+++ b/vendor/code.gitea.io/git/repo_commit.go
@@ -32,7 +32,14 @@ func (repo *Repository) GetBranchCommitID(name string) (string, error) {
 
 // GetTagCommitID returns last commit ID string of given tag.
 func (repo *Repository) GetTagCommitID(name string) (string, error) {
-	return repo.GetRefCommitID(TagPrefix + name)
+	stdout, err := NewCommand("rev-list", "-n", "1", name).RunInDir(repo.Path)
+	if err != nil {
+		if strings.Contains(err.Error(), "unknown revision or path") {
+			return "", ErrNotExist{name, ""}
+		}
+		return "", err
+	}
+	return strings.TrimSpace(stdout), nil
 }
 
 // parseCommitData parses commit information from the (uncompressed) raw
diff --git a/vendor/code.gitea.io/git/repo_tag.go b/vendor/code.gitea.io/git/repo_tag.go
index 77867f46c1..84825d7dc3 100644
--- a/vendor/code.gitea.io/git/repo_tag.go
+++ b/vendor/code.gitea.io/git/repo_tag.go
@@ -76,12 +76,12 @@ func (repo *Repository) getTag(id SHA1) (*Tag, error) {
 
 // GetTag returns a Git tag by given name.
 func (repo *Repository) GetTag(name string) (*Tag, error) {
-	stdout, err := NewCommand("show-ref", "--tags", name).RunInDir(repo.Path)
+	idStr, err := repo.GetTagCommitID(name)
 	if err != nil {
 		return nil, err
 	}
 
-	id, err := NewIDFromString(strings.Split(stdout, " ")[0])
+	id, err := NewIDFromString(idStr)
 	if err != nil {
 		return nil, err
 	}