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Add buttons to allow loading of incomplete diffs (#16829)

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This PR adds two buttons to the stats and the end of the diffs list to load the (some of) the remaining incomplete diff sections.

Contains #16775
    
Signed-off-by: Andrew Thornton <art27@cantab.net>


## Screenshots

### Show more button at the end of the diff
![Screenshot from 2021-09-04 11-12-37](https://user-images.githubusercontent.com/1824502/132091009-b1f6113e-2c04-4be5-8a04-b8ecea56887b.png)

### Show more button at the end of the diff stats box
![Screenshot from 2021-09-04 11-14-54](https://user-images.githubusercontent.com/1824502/132091063-86da5a6d-6628-4b82-bea9-3655cd9f40f6.png)
This commit is contained in:
zeripath
2021-10-15 17:05:33 +01:00
committed by GitHub
parent bdfd751af8
commit a889d0cc8c
12 changed files with 228 additions and 155 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
services/gitdiff/gitdiff.go
View File

@@ -653,6 +653,7 @@ func getCommitFileLineCount(commit *git.Commit, filePath string) int {
// Diff represents a difference between two git trees.
type Diff struct {
Start, End string
NumFiles, TotalAddition, TotalDeletion int
Files []*DiffFile
IsIncomplete bool
@@ -719,6 +720,9 @@ parsingLoop:
// TODO: Handle skipping first n files
if len(diff.Files) >= maxFiles {
lastFile := createDiffFile(diff, line)
diff.End = lastFile.Name
diff.IsIncomplete = true
_, err := io.Copy(io.Discard, reader)
if err != nil {
@@ -1217,7 +1221,7 @@ 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, directComparison bool) (*Diff, error) {
func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID, afterCommitID, skipTo string, maxLines, maxLineCharacters, maxFiles int, whitespaceBehavior string, directComparison bool) (*Diff, error) {
repoPath := gitRepo.Path
commit, err := gitRepo.GetCommit(afterCommitID)
@@ -1228,31 +1232,42 @@ func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID,
ctx, cancel := context.WithTimeout(git.DefaultContext, time.Duration(setting.Git.Timeout.Default)*time.Second)
defer cancel()
var cmd *exec.Cmd
argsLength := 6
if len(whitespaceBehavior) > 0 {
argsLength++
}
if len(skipTo) > 0 {
argsLength++
}
diffArgs := make([]string, 0, argsLength)
if (len(beforeCommitID) == 0 || beforeCommitID == git.EmptySHA) && commit.ParentCount() == 0 {
diffArgs := []string{"diff", "--src-prefix=\\a/", "--dst-prefix=\\b/", "-M"}
diffArgs = append(diffArgs, "diff", "--src-prefix=\\a/", "--dst-prefix=\\b/", "-M")
if len(whitespaceBehavior) != 0 {
diffArgs = append(diffArgs, whitespaceBehavior)
}
// append empty tree ref
diffArgs = append(diffArgs, "4b825dc642cb6eb9a060e54bf8d69288fbee4904")
diffArgs = append(diffArgs, afterCommitID)
cmd = exec.CommandContext(ctx, git.GitExecutable, diffArgs...)
} else {
actualBeforeCommitID := beforeCommitID
if len(actualBeforeCommitID) == 0 {
parentCommit, _ := commit.Parent(0)
actualBeforeCommitID = parentCommit.ID.String()
}
diffArgs := []string{"diff", "--src-prefix=\\a/", "--dst-prefix=\\b/", "-M"}
diffArgs = append(diffArgs, "diff", "--src-prefix=\\a/", "--dst-prefix=\\b/", "-M")
if len(whitespaceBehavior) != 0 {
diffArgs = append(diffArgs, whitespaceBehavior)
}
diffArgs = append(diffArgs, actualBeforeCommitID)
diffArgs = append(diffArgs, afterCommitID)
cmd = exec.CommandContext(ctx, git.GitExecutable, diffArgs...)
beforeCommitID = actualBeforeCommitID
}
if skipTo != "" {
diffArgs = append(diffArgs, "--skip-to="+skipTo)
}
cmd := exec.CommandContext(ctx, git.GitExecutable, diffArgs...)
cmd.Dir = repoPath
cmd.Stderr = os.Stderr
@@ -1272,6 +1287,7 @@ func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID,
if err != nil {
return nil, fmt.Errorf("ParsePatch: %v", err)
}
diff.Start = skipTo
var checker *git.CheckAttributeReader
@@ -1299,7 +1315,7 @@ func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID,
log.Error("Unable to open checker for %s. Error: %v", afterCommitID, err)
} else {
go func() {
err = checker.Run()
err := checker.Run()
if err != nil && err != ctx.Err() {
log.Error("Unable to open checker for %s. Error: %v", afterCommitID, err)
}
@@ -1382,8 +1398,8 @@ 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, directComparison bool) (*Diff, error) {
return GetDiffRangeWithWhitespaceBehavior(gitRepo, "", commitID, maxLines, maxLineCharacters, maxFiles, whitespaceBehavior, directComparison)
func GetDiffCommitWithWhitespaceBehavior(gitRepo *git.Repository, commitID, skipTo string, maxLines, maxLineCharacters, maxFiles int, whitespaceBehavior string, directComparison bool) (*Diff, error) {
return GetDiffRangeWithWhitespaceBehavior(gitRepo, "", commitID, skipTo, maxLines, maxLineCharacters, maxFiles, whitespaceBehavior, directComparison)
}
// CommentAsDiff returns c.Patch as *Diff