diff options
Diffstat (limited to 'models/git_diff.go')
| -rw-r--r-- | models/git_diff.go | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/models/git_diff.go b/models/git_diff.go index 006238cd06..d288ea50b1 100644 --- a/models/git_diff.go +++ b/models/git_diff.go @@ -633,6 +633,13 @@ func ParsePatch(maxLines, maxLineCharacters, maxFiles int, reader io.Reader) (*D // passing the empty string as beforeCommitID returns a diff from the // parent commit. func GetDiffRange(repoPath, beforeCommitID, afterCommitID string, maxLines, maxLineCharacters, maxFiles int) (*Diff, error) { + return GetDiffRangeWithWhitespaceBehavior(repoPath, beforeCommitID, afterCommitID, maxLines, maxLineCharacters, maxFiles, "") +} + +// GetDiffRangeWithWhitespaceBehavior builds a Diff between two commits of a repository. +// Passing the empty string as beforeCommitID returns a diff from the parent commit. +// The whitespaceBehavior is either an empty string or a git flag +func GetDiffRangeWithWhitespaceBehavior(repoPath, beforeCommitID, afterCommitID string, maxLines, maxLineCharacters, maxFiles int, whitespaceBehavior string) (*Diff, error) { gitRepo, err := git.OpenRepository(repoPath) if err != nil { return nil, err @@ -644,17 +651,21 @@ func GetDiffRange(repoPath, beforeCommitID, afterCommitID string, maxLines, maxL } var cmd *exec.Cmd - // if "after" commit given - if len(beforeCommitID) == 0 { - // First commit of repository. - if commit.ParentCount() == 0 { - cmd = exec.Command("git", "show", afterCommitID) - } else { - c, _ := commit.Parent(0) - cmd = exec.Command("git", "diff", "-M", c.ID.String(), afterCommitID) - } + if len(beforeCommitID) == 0 && commit.ParentCount() == 0 { + cmd = exec.Command("git", "show", afterCommitID) } else { - cmd = exec.Command("git", "diff", "-M", beforeCommitID, afterCommitID) + actualBeforeCommitID := beforeCommitID + if len(actualBeforeCommitID) == 0 { + parentCommit, _ := commit.Parent(0) + actualBeforeCommitID = parentCommit.ID.String() + } + diffArgs := []string{"diff", "-M"} + if len(whitespaceBehavior) != 0 { + diffArgs = append(diffArgs, whitespaceBehavior) + } + diffArgs = append(diffArgs, actualBeforeCommitID) + diffArgs = append(diffArgs, afterCommitID) + cmd = exec.Command("git", diffArgs...) } cmd.Dir = repoPath cmd.Stderr = os.Stderr |