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Support direct comparison (git diff a..b) as well merge comparison (a...b) (#16635)

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This PR changes the compare page to make the "..." in the between branches a clickable
link. This changes the comparison type from "..." to "..". Similarly it makes the
initial compare icon clickable to switch the head and base branches.

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: Lauris BH <lauris@nix.lv>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
This commit is contained in:
zeripath 2021-09-27 13:19:34 +01:00 • committed by GitHub
parent 123f0aea00
commit 920608e592
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 198 additions and 148 deletions
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13
services/gitdiff/gitdiff.go
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@ -1217,7 +1217,7 @@ func readFileName(rd *strings.Reader) (string, bool) {
// 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(gitRepo *git.Repository, beforeCommitID, afterCommitID string, maxLines, maxLineCharacters, maxFiles int, whitespaceBehavior string) (*Diff, error) {
func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID, afterCommitID string, maxLines, maxLineCharacters, maxFiles int, whitespaceBehavior string, directComparison bool) (*Diff, error) {
repoPath := gitRepo.Path
commit, err := gitRepo.GetCommit(afterCommitID)
@ -1357,7 +1357,12 @@ func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID,
return nil, fmt.Errorf("Wait: %v", err)
}
shortstatArgs := []string{beforeCommitID + "..." + afterCommitID}
separator := "..."
if directComparison {
separator = ".."
}
shortstatArgs := []string{beforeCommitID + separator + afterCommitID}
if len(beforeCommitID) == 0 || beforeCommitID == git.EmptySHA {
shortstatArgs = []string{git.EmptyTreeSHA, afterCommitID}
}
@ -1377,8 +1382,8 @@ func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID,
// GetDiffCommitWithWhitespaceBehavior builds a Diff representing the given commitID.
// The whitespaceBehavior is either an empty string or a git flag
func GetDiffCommitWithWhitespaceBehavior(gitRepo *git.Repository, commitID string, maxLines, maxLineCharacters, maxFiles int, whitespaceBehavior string) (*Diff, error) {
return GetDiffRangeWithWhitespaceBehavior(gitRepo, "", commitID, maxLines, maxLineCharacters, maxFiles, whitespaceBehavior)
func GetDiffCommitWithWhitespaceBehavior(gitRepo *git.Repository, commitID string, maxLines, maxLineCharacters, maxFiles int, whitespaceBehavior string, directComparison bool) (*Diff, error) {
return GetDiffRangeWithWhitespaceBehavior(gitRepo, "", commitID, maxLines, maxLineCharacters, maxFiles, whitespaceBehavior, directComparison)
}
// CommentAsDiff returns c.Patch as *Diff