mirror
/
gitea
mirror of https://github.com/go-gitea/gitea
2
0
Fork 0
Code Issues Releases Wiki Activity

Read `previous` info from git blame (#28306)

Browse Source 
Fixes #28280

Reads the `previous` info from the `git blame` output instead of
calculating it afterwards.
pull/28302/head^2
KN4CK3R 1 year ago committed by GitHub
parent 3618715fab
commit 14354e4f8e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 49 additions and 54 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 37
      modules/git/blame.go
  2. 28
      modules/git/blame_test.go
  3. 38
      routers/web/repo/blame.go

37
modules/git/blame.go
Unescape View File

@ -11,6 +11,7 @@ import (
"io"
"os"
"regexp"
"strings"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/util"
@ -18,8 +19,10 @@ import (
// BlamePart represents block of blame - continuous lines with one sha
type BlamePart struct {
Sha string
Lines []string
Sha string
Lines []string
PreviousSha string
PreviousPath string
}
// BlameReader returns part of file blame one by one
@ -43,30 +46,38 @@ func (r *BlameReader) NextPart() (*BlamePart, error) {
var blamePart *BlamePart
if r.lastSha != nil {
blamePart = &BlamePart{*r.lastSha, make([]string, 0)}
blamePart = &BlamePart{
Sha: *r.lastSha,
Lines: make([]string, 0),
}
}
var line []byte
var lineBytes []byte
var isPrefix bool
var err error
for err != io.EOF {
line, isPrefix, err = r.bufferedReader.ReadLine()
lineBytes, isPrefix, err = r.bufferedReader.ReadLine()
if err != nil && err != io.EOF {
return blamePart, err
}
if len(line) == 0 {
if len(lineBytes) == 0 {
// isPrefix will be false
continue
}
lines := shaLineRegex.FindSubmatch(line)
line := string(lineBytes)
lines := shaLineRegex.FindStringSubmatch(line)
if lines != nil {
sha1 := string(lines[1])
sha1 := lines[1]
if blamePart == nil {
blamePart = &BlamePart{sha1, make([]string, 0)}
blamePart = &BlamePart{
Sha: sha1,
Lines: make([]string, 0),
}
}
if blamePart.Sha != sha1 {
@ -81,9 +92,11 @@ func (r *BlameReader) NextPart() (*BlamePart, error) {
return blamePart, nil
}
} else if line[0] == '\t' {
code := line[1:]
blamePart.Lines = append(blamePart.Lines, string(code))
blamePart.Lines = append(blamePart.Lines, line[1:])
} else if strings.HasPrefix(line, "previous ") {
parts := strings.SplitN(line[len("previous "):], " ", 2)
blamePart.PreviousSha = parts[0]
blamePart.PreviousPath = parts[1]
}
// need to munch to end of line...

28
modules/git/blame_test.go
Unescape View File

@ -24,15 +24,17 @@ func TestReadingBlameOutput(t *testing.T) {
parts := []*BlamePart{
{
"72866af952e98d02a73003501836074b286a78f6",
[]string{
Sha: "72866af952e98d02a73003501836074b286a78f6",
Lines: []string{
"# test_repo",
"Test repository for testing migration from github to gitea",
},
},
{
"f32b0a9dfd09a60f616f29158f772cedd89942d2",
[]string{"", "Do not make any changes to this repo it is used for unit testing"},
Sha: "f32b0a9dfd09a60f616f29158f772cedd89942d2",
Lines: []string{"", "Do not make any changes to this repo it is used for unit testing"},
PreviousSha: "72866af952e98d02a73003501836074b286a78f6",
PreviousPath: "README.md",
},
}
@ -64,16 +66,18 @@ func TestReadingBlameOutput(t *testing.T) {
full := []*BlamePart{
{
"af7486bd54cfc39eea97207ca666aa69c9d6df93",
[]string{"line", "line"},
Sha: "af7486bd54cfc39eea97207ca666aa69c9d6df93",
Lines: []string{"line", "line"},
},
{
"45fb6cbc12f970b04eacd5cd4165edd11c8d7376",
[]string{"changed line"},
Sha: "45fb6cbc12f970b04eacd5cd4165edd11c8d7376",
Lines: []string{"changed line"},
PreviousSha: "af7486bd54cfc39eea97207ca666aa69c9d6df93",
PreviousPath: "blame.txt",
},
{
"af7486bd54cfc39eea97207ca666aa69c9d6df93",
[]string{"line", "line", ""},
Sha: "af7486bd54cfc39eea97207ca666aa69c9d6df93",
Lines: []string{"line", "line", ""},
},
}
@ -89,8 +93,8 @@ func TestReadingBlameOutput(t *testing.T) {
Bypass: false,
Parts: []*BlamePart{
{
"af7486bd54cfc39eea97207ca666aa69c9d6df93",
[]string{"line", "line", "changed line", "line", "line", ""},
Sha: "af7486bd54cfc39eea97207ca666aa69c9d6df93",
Lines: []string{"line", "line", "changed line", "line", "line", ""},
},
},
},

38
routers/web/repo/blame.go
Unescape 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

Write Preview
Loading…
Cancel
Save