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Read previous info from git blame (#28306)

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Fixes #28280

Reads the `previous` info from the `git blame` output instead of
calculating it afterwards.
This commit is contained in:
KN4CK3R 2023-12-01 02:26:52 +01:00 • committed by GitHub
parent 3618715fab
commit 14354e4f8e
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 49 additions and 54 deletions
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38
routers/web/repo/blame.go
View file

@ -114,12 +114,12 @@ func RefBlame(ctx *context.Context) {
return
}
commitNames, previousCommits := processBlameParts(ctx, result.Parts)
commitNames := processBlameParts(ctx, result.Parts)
if ctx.Written() {
return
}
renderBlame(ctx, result.Parts, commitNames, previousCommits)
renderBlame(ctx, result.Parts, commitNames)
ctx.HTML(http.StatusOK, tplRepoHome)
}
@ -185,12 +185,9 @@ func fillBlameResult(br *git.BlameReader, r *blameResult) error {
return nil
}
func processBlameParts(ctx *context.Context, blameParts []git.BlamePart) (map[string]*user_model.UserCommit, map[string]string) {
func processBlameParts(ctx *context.Context, blameParts []git.BlamePart) map[string]*user_model.UserCommit {
// store commit data by SHA to look up avatar info etc
commitNames := make(map[string]*user_model.UserCommit)
// previousCommits contains links from SHA to parent SHA,
// if parent also contains the current TreePath.
previousCommits := make(map[string]string)
// and as blameParts can reference the same commits multiple
// times, we cache the lookup work locally
commits := make([]*git.Commit, 0, len(blameParts))
@ -214,29 +211,11 @@ func processBlameParts(ctx *context.Context, blameParts []git.BlamePart) (map[st
} else {
ctx.ServerError("Repo.GitRepo.GetCommit", err)
}
return nil, nil
return nil
}
commitCache[sha] = commit
}
// find parent commit
if commit.ParentCount() > 0 {
psha := commit.Parents[0]
previousCommit, ok := commitCache[psha.String()]
if !ok {
previousCommit, _ = commit.Parent(0)
if previousCommit != nil {
commitCache[psha.String()] = previousCommit
}
}
// only store parent commit ONCE, if it has the file
if previousCommit != nil {
if haz1, _ := previousCommit.HasFile(ctx.Repo.TreePath); haz1 {
previousCommits[commit.ID.String()] = previousCommit.ID.String()
}
}
}
commits = append(commits, commit)
}
@ -245,10 +224,10 @@ func processBlameParts(ctx *context.Context, blameParts []git.BlamePart) (map[st
commitNames[c.ID.String()] = c
}
return commitNames, previousCommits
return commitNames
}
func renderBlame(ctx *context.Context, blameParts []git.BlamePart, commitNames map[string]*user_model.UserCommit, previousCommits map[string]string) {
func renderBlame(ctx *context.Context, blameParts []git.BlamePart, commitNames map[string]*user_model.UserCommit) {
repoLink := ctx.Repo.RepoLink
language := ""
@ -295,7 +274,6 @@ func renderBlame(ctx *context.Context, blameParts []git.BlamePart, commitNames m
}
commit := commitNames[part.Sha]
previousSha := previousCommits[part.Sha]
if index == 0 {
// Count commit number
commitCnt++
@ -313,8 +291,8 @@ func renderBlame(ctx *context.Context, blameParts []git.BlamePart, commitNames m
br.Avatar = gotemplate.HTML(avatar)
br.RepoLink = repoLink
br.PartSha = part.Sha
br.PreviousSha = previousSha
br.PreviousShaURL = fmt.Sprintf("%s/blame/commit/%s/%s", repoLink, url.PathEscape(previousSha), util.PathEscapeSegments(ctx.Repo.TreePath))
br.PreviousSha = part.PreviousSha
br.PreviousShaURL = fmt.Sprintf("%s/blame/commit/%s/%s", repoLink, url.PathEscape(part.PreviousSha), util.PathEscapeSegments(part.PreviousPath))
br.CommitURL = fmt.Sprintf("%s/commit/%s", repoLink, url.PathEscape(part.Sha))
br.CommitMessage = commit.CommitMessage
br.CommitSince = commitSince