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@ -68,7 +68,7 @@ func (repo *Repository) GetCompareInfo(basePath, baseBranch, headBranch string)
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compareInfo := new(CompareInfo)
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compareInfo.MergeBase, remoteBranch, err = repo.GetMergeBase(tmpRemote, baseBranch, headBranch)
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if err == nil {
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// We have a common base
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// We have a common base - therefore we know that ... should work
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logs, err := NewCommand("log", compareInfo.MergeBase+"..."+headBranch, prettyLogFormat).RunInDirBytes(repo.Path)
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if err != nil {
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return nil, err
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@ -115,6 +115,15 @@ func (repo *Repository) GetDiffNumChangedFiles(base, head string) (int, error) {
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if err := NewCommand("diff", "-z", "--name-only", base+"..."+head).
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RunInDirPipeline(repo.Path, w, stderr); err != nil {
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if strings.Contains(stderr.String(), "no merge base") {
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// git >= 2.28 now returns an error if base and head have become unrelated.
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// previously it would return the results of git diff -z --name-only base head so let's try that...
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w = &lineCountWriter{}
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stderr.Reset()
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if err = NewCommand("diff", "-z", "--name-only", base, head).RunInDirPipeline(repo.Path, w, stderr); err == nil {
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return w.numLines, nil
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}
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}
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return 0, fmt.Errorf("%v: Stderr: %s", err, stderr)
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}
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return w.numLines, nil
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@ -122,7 +131,11 @@ func (repo *Repository) GetDiffNumChangedFiles(base, head string) (int, error) {
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// GetDiffShortStat counts number of changed files, number of additions and deletions
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func (repo *Repository) GetDiffShortStat(base, head string) (numFiles, totalAdditions, totalDeletions int, err error) {
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return GetDiffShortStat(repo.Path, base+"..."+head)
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numFiles, totalAdditions, totalDeletions, err = GetDiffShortStat(repo.Path, base+"..."+head)
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if err != nil && strings.Contains(err.Error(), "no merge base") {
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return GetDiffShortStat(repo.Path, base, head)
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}
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return
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}
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// GetDiffShortStat counts number of changed files, number of additions and deletions
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@ -193,12 +206,24 @@ func (repo *Repository) GetDiff(base, head string, w io.Writer) error {
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// GetPatch generates and returns format-patch data between given revisions.
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func (repo *Repository) GetPatch(base, head string, w io.Writer) error {
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return NewCommand("format-patch", "--binary", "--stdout", base+"..."+head).
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RunInDirPipeline(repo.Path, w, nil)
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stderr := new(bytes.Buffer)
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err := NewCommand("format-patch", "--binary", "--stdout", base+"..."+head).
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RunInDirPipeline(repo.Path, w, stderr)
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if err != nil && bytes.Contains(stderr.Bytes(), []byte("no merge base")) {
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return NewCommand("format-patch", "--binary", "--stdout", base, head).
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RunInDirPipeline(repo.Path, w, nil)
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}
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return err
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}
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// GetDiffFromMergeBase generates and return patch data from merge base to head
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func (repo *Repository) GetDiffFromMergeBase(base, head string, w io.Writer) error {
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return NewCommand("diff", "-p", "--binary", base+"..."+head).
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RunInDirPipeline(repo.Path, w, nil)
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stderr := new(bytes.Buffer)
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err := NewCommand("diff", "-p", "--binary", base+"..."+head).
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RunInDirPipeline(repo.Path, w, stderr)
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if err != nil && bytes.Contains(stderr.Bytes(), []byte("no merge base")) {
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return NewCommand("diff", "-p", "--binary", base, head).
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RunInDirPipeline(repo.Path, w, nil)
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}
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return err
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}
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