mirror of
https://github.com/go-gitea/gitea
synced 2024-12-24 03:35:55 +01:00
Allow Loading of Diffs that are too large (#17739)
* Allow Loading of Diffs that are too large This PR allows the loading of diffs that are suppressed because the file is too large. It does not handle diffs of files which have lines which are too long. Fix #17738 Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
parent
d710af6669
commit
8511eec4d4
@ -2043,6 +2043,7 @@ diff.file_suppressed = File diff suppressed because it is too large
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diff.file_suppressed_line_too_long = File diff suppressed because one or more lines are too long
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diff.too_many_files = Some files were not shown because too many files have changed in this diff
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diff.show_more = Show More
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diff.load = Load Diff
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diff.generated = generated
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diff.vendored = vendored
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diff.comment.placeholder = Leave a comment
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@ -262,8 +262,6 @@ func Diff(ctx *context.Context) {
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err error
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)
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fileOnly := ctx.FormBool("file-only")
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if ctx.Data["PageIsWiki"] != nil {
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gitRepo, err = git.OpenRepository(ctx.Repo.Repository.WikiPath())
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if err != nil {
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@ -288,13 +286,23 @@ func Diff(ctx *context.Context) {
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commitID = commit.ID.String()
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}
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diff, err := gitdiff.GetDiffCommitWithWhitespaceBehavior(gitRepo,
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commitID, ctx.FormString("skip-to"), setting.Git.MaxGitDiffLines,
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setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles,
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gitdiff.GetWhitespaceFlag(ctx.Data["WhitespaceBehavior"].(string)),
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false)
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fileOnly := ctx.FormBool("file-only")
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maxLines, maxFiles := setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffFiles
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files := ctx.FormStrings("files")
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if fileOnly && (len(files) == 2 || len(files) == 1) {
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maxLines, maxFiles = -1, -1
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}
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diff, err := gitdiff.GetDiff(gitRepo, &gitdiff.DiffOptions{
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AfterCommitID: commitID,
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SkipTo: ctx.FormString("skip-to"),
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MaxLines: maxLines,
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MaxLineCharacters: setting.Git.MaxGitDiffLineCharacters,
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MaxFiles: maxFiles,
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WhitespaceBehavior: gitdiff.GetWhitespaceFlag(ctx.Data["WhitespaceBehavior"].(string)),
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}, files...)
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if err != nil {
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ctx.NotFound("GetDiffCommitWithWhitespaceBehavior", err)
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ctx.NotFound("GetDiff", err)
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return
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}
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@ -325,10 +333,6 @@ func Diff(ctx *context.Context) {
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ctx.Data["Title"] = commit.Summary() + " · " + base.ShortSha(commitID)
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ctx.Data["Commit"] = commit
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ctx.Data["Diff"] = diff
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if fileOnly {
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ctx.HTML(http.StatusOK, tplDiffBox)
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return
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}
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statuses, err := models.GetLatestCommitStatus(ctx.Repo.Repository.ID, commitID, db.ListOptions{})
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if err != nil {
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@ -569,9 +569,23 @@ func PrepareCompareDiff(
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beforeCommitID = ci.CompareInfo.BaseCommitID
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}
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diff, err := gitdiff.GetDiffRangeWithWhitespaceBehavior(ci.HeadGitRepo,
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beforeCommitID, headCommitID, ctx.FormString("skip-to"), setting.Git.MaxGitDiffLines,
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setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles, whitespaceBehavior, ci.DirectComparison)
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maxLines, maxFiles := setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffFiles
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files := ctx.FormStrings("files")
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if len(files) == 2 || len(files) == 1 {
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maxLines, maxFiles = -1, -1
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}
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diff, err := gitdiff.GetDiff(ci.HeadGitRepo,
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&gitdiff.DiffOptions{
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BeforeCommitID: beforeCommitID,
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AfterCommitID: headCommitID,
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SkipTo: ctx.FormString("skip-to"),
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MaxLines: maxLines,
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MaxLineCharacters: setting.Git.MaxGitDiffLineCharacters,
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MaxFiles: maxFiles,
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WhitespaceBehavior: whitespaceBehavior,
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DirectComparison: ci.DirectComparison,
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}, ctx.FormStrings("files")...)
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if err != nil {
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ctx.ServerError("GetDiffRangeWithWhitespaceBehavior", err)
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return false
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@ -633,10 +633,24 @@ func ViewPullFiles(ctx *context.Context) {
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ctx.Data["Reponame"] = ctx.Repo.Repository.Name
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ctx.Data["AfterCommitID"] = endCommitID
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diff, err := gitdiff.GetDiffRangeWithWhitespaceBehavior(gitRepo,
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startCommitID, endCommitID, ctx.FormString("skip-to"), setting.Git.MaxGitDiffLines,
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setting.Git.MaxGitDiffLineCharacters, setting.Git.MaxGitDiffFiles,
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gitdiff.GetWhitespaceFlag(ctx.Data["WhitespaceBehavior"].(string)), false)
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fileOnly := ctx.FormBool("file-only")
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maxLines, maxFiles := setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffFiles
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files := ctx.FormStrings("files")
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if fileOnly && (len(files) == 2 || len(files) == 1) {
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maxLines, maxFiles = -1, -1
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}
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diff, err := gitdiff.GetDiff(gitRepo,
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&gitdiff.DiffOptions{
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BeforeCommitID: startCommitID,
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AfterCommitID: endCommitID,
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SkipTo: ctx.FormString("skip-to"),
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MaxLines: maxLines,
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MaxLineCharacters: setting.Git.MaxGitDiffLineCharacters,
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MaxFiles: maxFiles,
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WhitespaceBehavior: gitdiff.GetWhitespaceFlag(ctx.Data["WhitespaceBehavior"].(string)),
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}, ctx.FormStrings("files")...)
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if err != nil {
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ctx.ServerError("GetDiffRangeWithWhitespaceBehavior", err)
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return
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@ -695,6 +695,7 @@ const cmdDiffHead = "diff --git "
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// ParsePatch builds a Diff object from a io.Reader and some parameters.
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func ParsePatch(maxLines, maxLineCharacters, maxFiles int, reader io.Reader, skipToFile string) (*Diff, error) {
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log.Debug("ParsePatch(%d, %d, %d, ..., %s)", maxLines, maxLineCharacters, maxFiles, skipToFile)
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var curFile *DiffFile
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skipping := skipToFile != ""
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@ -726,7 +727,7 @@ parsingLoop:
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return diff, fmt.Errorf("invalid first file line: %s", line)
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}
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if len(diff.Files) >= maxFiles {
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if maxFiles > -1 && len(diff.Files) >= maxFiles {
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lastFile := createDiffFile(diff, line)
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diff.End = lastFile.Name
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diff.IsIncomplete = true
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@ -1038,7 +1039,7 @@ func parseHunks(curFile *DiffFile, maxLines, maxLineCharacters int, input *bufio
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switch lineBytes[0] {
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case '@':
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if curFileLinesCount >= maxLines {
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if maxLines > -1 && curFileLinesCount >= maxLines {
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curFile.IsIncomplete = true
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continue
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}
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@ -1075,7 +1076,7 @@ func parseHunks(curFile *DiffFile, maxLines, maxLineCharacters int, input *bufio
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rightLine = lineSectionInfo.RightIdx
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continue
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case '\\':
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if curFileLinesCount >= maxLines {
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if maxLines > -1 && curFileLinesCount >= maxLines {
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curFile.IsIncomplete = true
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continue
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}
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@ -1090,7 +1091,7 @@ func parseHunks(curFile *DiffFile, maxLines, maxLineCharacters int, input *bufio
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case '+':
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curFileLinesCount++
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curFile.Addition++
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if curFileLinesCount >= maxLines {
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if maxLines > -1 && curFileLinesCount >= maxLines {
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curFile.IsIncomplete = true
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continue
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}
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@ -1114,7 +1115,7 @@ func parseHunks(curFile *DiffFile, maxLines, maxLineCharacters int, input *bufio
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case '-':
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curFileLinesCount++
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curFile.Deletion++
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if curFileLinesCount >= maxLines {
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if maxLines > -1 && curFileLinesCount >= maxLines {
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curFile.IsIncomplete = true
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continue
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}
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@ -1134,7 +1135,7 @@ func parseHunks(curFile *DiffFile, maxLines, maxLineCharacters int, input *bufio
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curSection.Lines = append(curSection.Lines, diffLine)
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case ' ':
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curFileLinesCount++
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if curFileLinesCount >= maxLines {
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if maxLines > -1 && curFileLinesCount >= maxLines {
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curFile.IsIncomplete = true
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continue
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}
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@ -1278,13 +1279,25 @@ func readFileName(rd *strings.Reader) (string, bool) {
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return name[2:], ambiguity
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}
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// GetDiffRangeWithWhitespaceBehavior builds a Diff between two commits of a repository.
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// DiffOptions represents the options for a DiffRange
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type DiffOptions struct {
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BeforeCommitID string
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AfterCommitID string
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SkipTo string
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MaxLines int
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MaxLineCharacters int
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MaxFiles int
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WhitespaceBehavior string
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DirectComparison bool
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}
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// GetDiff builds a Diff between two commits of a repository.
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// Passing the empty string as beforeCommitID returns a diff from the parent commit.
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// The whitespaceBehavior is either an empty string or a git flag
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func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID, afterCommitID, skipTo string, maxLines, maxLineCharacters, maxFiles int, whitespaceBehavior string, directComparison bool) (*Diff, error) {
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func GetDiff(gitRepo *git.Repository, opts *DiffOptions, files ...string) (*Diff, error) {
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repoPath := gitRepo.Path
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commit, err := gitRepo.GetCommit(afterCommitID)
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commit, err := gitRepo.GetCommit(opts.AfterCommitID)
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if err != nil {
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return nil, err
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}
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@ -1293,45 +1306,54 @@ func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID,
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defer cancel()
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argsLength := 6
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if len(whitespaceBehavior) > 0 {
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if len(opts.WhitespaceBehavior) > 0 {
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argsLength++
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}
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if len(skipTo) > 0 {
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if len(opts.SkipTo) > 0 {
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argsLength++
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}
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if len(files) > 0 {
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argsLength += len(files) + 1
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}
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diffArgs := make([]string, 0, argsLength)
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if (len(beforeCommitID) == 0 || beforeCommitID == git.EmptySHA) && commit.ParentCount() == 0 {
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if (len(opts.BeforeCommitID) == 0 || opts.BeforeCommitID == git.EmptySHA) && commit.ParentCount() == 0 {
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diffArgs = append(diffArgs, "diff", "--src-prefix=\\a/", "--dst-prefix=\\b/", "-M")
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if len(whitespaceBehavior) != 0 {
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diffArgs = append(diffArgs, whitespaceBehavior)
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if len(opts.WhitespaceBehavior) != 0 {
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diffArgs = append(diffArgs, opts.WhitespaceBehavior)
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}
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// append empty tree ref
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diffArgs = append(diffArgs, "4b825dc642cb6eb9a060e54bf8d69288fbee4904")
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diffArgs = append(diffArgs, afterCommitID)
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diffArgs = append(diffArgs, opts.AfterCommitID)
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} else {
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actualBeforeCommitID := beforeCommitID
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actualBeforeCommitID := opts.BeforeCommitID
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if len(actualBeforeCommitID) == 0 {
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parentCommit, _ := commit.Parent(0)
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actualBeforeCommitID = parentCommit.ID.String()
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}
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diffArgs = append(diffArgs, "diff", "--src-prefix=\\a/", "--dst-prefix=\\b/", "-M")
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if len(whitespaceBehavior) != 0 {
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diffArgs = append(diffArgs, whitespaceBehavior)
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if len(opts.WhitespaceBehavior) != 0 {
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diffArgs = append(diffArgs, opts.WhitespaceBehavior)
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}
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diffArgs = append(diffArgs, actualBeforeCommitID)
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diffArgs = append(diffArgs, afterCommitID)
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beforeCommitID = actualBeforeCommitID
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diffArgs = append(diffArgs, opts.AfterCommitID)
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opts.BeforeCommitID = actualBeforeCommitID
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}
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// In git 2.31, git diff learned --skip-to which we can use to shortcut skip to file
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// so if we are using at least this version of git we don't have to tell ParsePatch to do
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// the skipping for us
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parsePatchSkipToFile := skipTo
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if skipTo != "" && git.CheckGitVersionAtLeast("2.31") == nil {
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diffArgs = append(diffArgs, "--skip-to="+skipTo)
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parsePatchSkipToFile := opts.SkipTo
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if opts.SkipTo != "" && git.CheckGitVersionAtLeast("2.31") == nil {
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diffArgs = append(diffArgs, "--skip-to="+opts.SkipTo)
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parsePatchSkipToFile = ""
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}
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if len(files) > 0 {
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diffArgs = append(diffArgs, "--")
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diffArgs = append(diffArgs, files...)
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}
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cmd := exec.CommandContext(ctx, git.GitExecutable, diffArgs...)
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cmd.Dir = repoPath
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@ -1349,16 +1371,16 @@ func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID,
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pid := process.GetManager().Add(fmt.Sprintf("GetDiffRange [repo_path: %s]", repoPath), cancel)
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defer process.GetManager().Remove(pid)
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diff, err := ParsePatch(maxLines, maxLineCharacters, maxFiles, stdout, parsePatchSkipToFile)
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diff, err := ParsePatch(opts.MaxLines, opts.MaxLineCharacters, opts.MaxFiles, stdout, parsePatchSkipToFile)
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if err != nil {
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return nil, fmt.Errorf("unable to ParsePatch: %w", err)
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}
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diff.Start = skipTo
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diff.Start = opts.SkipTo
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var checker *git.CheckAttributeReader
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if git.CheckGitVersionAtLeast("1.7.8") == nil {
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indexFilename, worktree, deleteTemporaryFile, err := gitRepo.ReadTreeToTemporaryIndex(afterCommitID)
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indexFilename, worktree, deleteTemporaryFile, err := gitRepo.ReadTreeToTemporaryIndex(opts.AfterCommitID)
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if err == nil {
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defer deleteTemporaryFile()
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@ -1370,12 +1392,12 @@ func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID,
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}
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ctx, cancel := context.WithCancel(git.DefaultContext)
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if err := checker.Init(ctx); err != nil {
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log.Error("Unable to open checker for %s. Error: %v", afterCommitID, err)
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log.Error("Unable to open checker for %s. Error: %v", opts.AfterCommitID, err)
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} else {
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go func() {
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err := checker.Run()
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if err != nil && err != ctx.Err() {
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log.Error("Unable to open checker for %s. Error: %v", afterCommitID, err)
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log.Error("Unable to open checker for %s. Error: %v", opts.AfterCommitID, err)
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}
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cancel()
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}()
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@ -1426,7 +1448,7 @@ func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID,
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diffFile.IsGenerated = analyze.IsGenerated(diffFile.Name)
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}
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tailSection := diffFile.GetTailSection(gitRepo, beforeCommitID, afterCommitID)
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tailSection := diffFile.GetTailSection(gitRepo, opts.BeforeCommitID, opts.AfterCommitID)
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if tailSection != nil {
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diffFile.Sections = append(diffFile.Sections, tailSection)
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}
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@ -1437,19 +1459,19 @@ func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID,
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}
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separator := "..."
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if directComparison {
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if opts.DirectComparison {
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separator = ".."
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}
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shortstatArgs := []string{beforeCommitID + separator + afterCommitID}
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if len(beforeCommitID) == 0 || beforeCommitID == git.EmptySHA {
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shortstatArgs = []string{git.EmptyTreeSHA, afterCommitID}
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shortstatArgs := []string{opts.BeforeCommitID + separator + opts.AfterCommitID}
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if len(opts.BeforeCommitID) == 0 || opts.BeforeCommitID == git.EmptySHA {
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shortstatArgs = []string{git.EmptyTreeSHA, opts.AfterCommitID}
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}
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diff.NumFiles, diff.TotalAddition, diff.TotalDeletion, err = git.GetDiffShortStat(repoPath, shortstatArgs...)
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if err != nil && strings.Contains(err.Error(), "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 --shortstat base head so let's try that...
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shortstatArgs = []string{beforeCommitID, afterCommitID}
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shortstatArgs = []string{opts.BeforeCommitID, opts.AfterCommitID}
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diff.NumFiles, diff.TotalAddition, diff.TotalDeletion, err = git.GetDiffShortStat(repoPath, shortstatArgs...)
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}
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if err != nil {
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@ -1459,12 +1481,6 @@ func GetDiffRangeWithWhitespaceBehavior(gitRepo *git.Repository, beforeCommitID,
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return diff, nil
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}
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// GetDiffCommitWithWhitespaceBehavior builds a Diff representing the given commitID.
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// The whitespaceBehavior is either an empty string or a git flag
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func GetDiffCommitWithWhitespaceBehavior(gitRepo *git.Repository, commitID, skipTo string, maxLines, maxLineCharacters, maxFiles int, whitespaceBehavior string, directComparison bool) (*Diff, error) {
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return GetDiffRangeWithWhitespaceBehavior(gitRepo, "", commitID, skipTo, maxLines, maxLineCharacters, maxFiles, whitespaceBehavior, directComparison)
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}
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// CommentAsDiff returns c.Patch as *Diff
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func CommentAsDiff(c *models.Comment) (*Diff, error) {
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diff, err := ParsePatch(setting.Git.MaxGitDiffLines,
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@ -693,8 +693,15 @@ func TestGetDiffRangeWithWhitespaceBehavior(t *testing.T) {
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}
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defer gitRepo.Close()
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for _, behavior := range []string{"-w", "--ignore-space-at-eol", "-b", ""} {
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diffs, err := GetDiffRangeWithWhitespaceBehavior(gitRepo, "559c156f8e0178b71cb44355428f24001b08fc68", "bd7063cc7c04689c4d082183d32a604ed27a24f9", "",
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setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffLines, setting.Git.MaxGitDiffFiles, behavior, false)
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diffs, err := GetDiff(gitRepo,
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&DiffOptions{
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AfterCommitID: "bd7063cc7c04689c4d082183d32a604ed27a24f9",
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BeforeCommitID: "559c156f8e0178b71cb44355428f24001b08fc68",
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MaxLines: setting.Git.MaxGitDiffLines,
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MaxLineCharacters: setting.Git.MaxGitDiffLineCharacters,
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MaxFiles: setting.Git.MaxGitDiffFiles,
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WhitespaceBehavior: behavior,
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})
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assert.NoError(t, err, fmt.Sprintf("Error when diff with %s", behavior))
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for _, f := range diffs.Files {
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assert.True(t, len(f.Sections) > 0, fmt.Sprintf("%s should have sections", f.Name))
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@ -112,6 +112,7 @@
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{{$.i18n.Tr "repo.diff.file_suppressed_line_too_long"}}
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{{else}}
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{{$.i18n.Tr "repo.diff.file_suppressed"}}
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<a class="ui basic tiny button diff-show-more-button" data-href="{{$.Link}}?file-only=true&files={{$file.Name}}&files={{$file.OldName}}">{{$.i18n.Tr "repo.diff.load"}}</a>
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{{end}}
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{{else}}
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{{$.i18n.Tr "repo.diff.bin_not_shown"}}
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@ -94,13 +94,40 @@ export function initRepoDiffShowMore() {
|
||||
type: 'GET',
|
||||
url,
|
||||
}).done((resp) => {
|
||||
if (!resp || resp.html === '' || resp.empty) {
|
||||
if (!resp) {
|
||||
$('#diff-show-more-files, #diff-show-more-files-stats').removeClass('disabled');
|
||||
return;
|
||||
}
|
||||
$('#diff-too-many-files-stats').remove();
|
||||
$('#diff-files').append($(resp).find('#diff-files li'));
|
||||
$('#diff-incomplete').replaceWith($(resp).find('#diff-file-boxes').children());
|
||||
}).fail(() => {
|
||||
$('#diff-show-more-files, #diff-show-more-files-stats').removeClass('disabled');
|
||||
});
|
||||
});
|
||||
$(document).on('click', 'a.diff-show-more-button', (e) => {
|
||||
e.preventDefault();
|
||||
const $target = $(e.target);
|
||||
|
||||
if ($target.hasClass('disabled')) {
|
||||
return;
|
||||
}
|
||||
|
||||
$target.addClass('disabled');
|
||||
|
||||
const url = $target.data('href');
|
||||
$.ajax({
|
||||
type: 'GET',
|
||||
url,
|
||||
}).done((resp) => {
|
||||
if (!resp) {
|
||||
$target.removeClass('disabled');
|
||||
return;
|
||||
}
|
||||
|
||||
$target.parent().replaceWith($(resp).find('#diff-file-boxes .diff-file-body .file-body').children());
|
||||
}).fail(() => {
|
||||
$target.removeClass('disabled');
|
||||
});
|
||||
});
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user