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Replace `repo.namedBlob` by `git.TreeEntry`. (#22898) 

`namedBlob` turned out to be a poor imitation of a `TreeEntry`. Using
the latter directly shortens this code.

This partially undoes https://github.com/go-gitea/gitea/pull/23152/,
which I found a merge conflict with, and also expands the test it added
to cover the subtle README-in-a-subfolder case.
This commit is contained in:
Nick 2023-03-15 17:51:39 -04:00 committed by GitHub
parent 19cbd5c3d9
commit 6aef9e0a2f
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 74 additions and 50 deletions
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2
models/fixtures/repository.yml
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@ -25,7 +25,7 @@
fork_id: 0
is_template: false
template_id: 0
size: 7028
size: 7320
is_fsck_enabled: true
close_issues_via_commit_in_any_branch: false

82
routers/web/repo/view.go
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@ -50,12 +50,6 @@ const (
tplMigrating base.TplName = "repo/migrate/migrating"
)
type namedBlob struct {
name string
isSymlink bool
blob *git.Blob
}
// locate a README for a tree in one of the supported paths.
//
// entries is passed to reduce calls to ListEntries(), so
@ -64,14 +58,14 @@ type namedBlob struct {
// entries == ctx.Repo.Commit.SubTree(ctx.Repo.TreePath).ListEntries()
//
// FIXME: There has to be a more efficient way of doing this
func findReadmeFileInEntries(ctx *context.Context, entries []*git.TreeEntry) (*namedBlob, error) {
func findReadmeFileInEntries(ctx *context.Context, entries []*git.TreeEntry) (string, *git.TreeEntry, error) {
// Create a list of extensions in priority order
// 1. Markdown files - with and without localisation - e.g. README.en-us.md or README.md
// 2. Txt files - e.g. README.txt
// 3. No extension - e.g. README
exts := append(localizedExtensions(".md", ctx.Language()), ".txt", "") // sorted by priority
extCount := len(exts)
readmeFiles := make([]*namedBlob, extCount+1)
readmeFiles := make([]*git.TreeEntry, extCount+1)
docsEntries := make([]*git.TreeEntry, 3) // (one of docs/, .gitea/ or .github/)
for _, entry := range entries {
@ -98,28 +92,21 @@ func findReadmeFileInEntries(ctx *context.Context, entries []*git.TreeEntry) (*n
}
if i, ok := util.IsReadmeFileExtension(entry.Name(), exts...); ok {
log.Debug("Potential readme file: %s", entry.Name())
if readmeFiles[i] == nil || base.NaturalSortLess(readmeFiles[i].name, entry.Blob().Name()) {
name := entry.Name()
isSymlink := entry.IsLink()
target := entry
if isSymlink {
var err error
target, err = entry.FollowLinks()
if readmeFiles[i] == nil || base.NaturalSortLess(readmeFiles[i].Name(), entry.Blob().Name()) {
if entry.IsLink() {
target, err := entry.FollowLinks()
if err != nil && !git.IsErrBadLink(err) {
return nil, err
}
}
if target != nil && (target.IsExecutable() || target.IsRegular()) {
readmeFiles[i] = &namedBlob{
name,
isSymlink,
target.Blob(),
return "", nil, err
} else if target != nil && (target.IsExecutable() || target.IsRegular()) {
readmeFiles[i] = entry
}
} else {
readmeFiles[i] = entry
}
}
}
}
var readmeFile *namedBlob
var readmeFile *git.TreeEntry
for _, f := range readmeFiles {
if f != nil {
readmeFile = f
@ -140,20 +127,20 @@ func findReadmeFileInEntries(ctx *context.Context, entries []*git.TreeEntry) (*n
var err error
childEntries, err := subTree.ListEntries()
if err != nil {
return nil, err
return "", nil, err
}
readmeFile, err = findReadmeFileInEntries(ctx, childEntries)
subfolder, readmeFile, err := findReadmeFileInEntries(ctx, childEntries)
if err != nil && !git.IsErrNotExist(err) {
return nil, err
return "", nil, err
}
if readmeFile != nil {
readmeFile.name = subTreeEntry.Name() + "/" + readmeFile.name
break
return path.Join(subTreeEntry.Name(), subfolder), readmeFile, nil
}
}
}
return readmeFile, nil
return "", readmeFile, nil
}
func renderDirectory(ctx *context.Context, treeLink string) {
@ -177,16 +164,13 @@ func renderDirectory(ctx *context.Context, treeLink string) {
return
}
readmeFile, err := findReadmeFileInEntries(ctx, entries)
subfolder, readmeFile, err := findReadmeFileInEntries(ctx, entries)
if err != nil {
ctx.ServerError("findReadmeFileInEntries", err)
return
}
if readmeFile == nil {
return
}
renderReadmeFile(ctx, readmeFile, fmt.Sprintf("%s/%s", treeLink, readmeFile.name))
renderReadmeFile(ctx, subfolder, readmeFile, treeLink)
}
// localizedExtensions prepends the provided language code with and without a
@ -270,13 +254,23 @@ func getFileReader(repoID int64, blob *git.Blob) ([]byte, io.ReadCloser, *fileIn
return buf, dataRc, &fileInfo{st.IsText(), true, meta.Size, &meta.Pointer, st}, nil
}
func renderReadmeFile(ctx *context.Context, readmeFile *namedBlob, readmeTreelink string) {
func renderReadmeFile(ctx *context.Context, subfolder string, readmeFile *git.TreeEntry, readmeTreelink string) {
target := readmeFile
if readmeFile != nil && readmeFile.IsLink() {
target, _ = readmeFile.FollowLinks()
}
if target == nil {
// if findReadmeFile() failed and/or gave us a broken symlink (which it shouldn't)
// simply skip rendering the README
return
}
ctx.Data["RawFileLink"] = ""
ctx.Data["ReadmeInList"] = true
ctx.Data["ReadmeExist"] = true
ctx.Data["FileIsSymlink"] = readmeFile.isSymlink
ctx.Data["FileIsSymlink"] = readmeFile.IsLink()
buf, dataRc, fInfo, err := getFileReader(ctx.Repo.Repository.ID, readmeFile.blob)
buf, dataRc, fInfo, err := getFileReader(ctx.Repo.Repository.ID, target.Blob())
if err != nil {
ctx.ServerError("getFileReader", err)
return
@ -284,11 +278,11 @@ func renderReadmeFile(ctx *context.Context, readmeFile *namedBlob, readmeTreelin
defer dataRc.Close()
ctx.Data["FileIsText"] = fInfo.isTextFile
ctx.Data["FileName"] = readmeFile.name
ctx.Data["FileName"] = path.Join(subfolder, readmeFile.Name())
ctx.Data["IsLFSFile"] = fInfo.isLFSFile
if fInfo.isLFSFile {
filenameBase64 := base64.RawURLEncoding.EncodeToString([]byte(readmeFile.name))
filenameBase64 := base64.RawURLEncoding.EncodeToString([]byte(readmeFile.Name()))
ctx.Data["RawFileLink"] = fmt.Sprintf("%s.git/info/lfs/objects/%s/%s", ctx.Repo.Repository.Link(), url.PathEscape(fInfo.lfsMeta.Oid), url.PathEscape(filenameBase64))
}
@ -306,19 +300,19 @@ func renderReadmeFile(ctx *context.Context, readmeFile *namedBlob, readmeTreelin
rd := charset.ToUTF8WithFallbackReader(io.MultiReader(bytes.NewReader(buf), dataRc))
if markupType := markup.Type(readmeFile.name); markupType != "" {
if markupType := markup.Type(readmeFile.Name()); markupType != "" {
ctx.Data["IsMarkup"] = true
ctx.Data["MarkupType"] = markupType
ctx.Data["EscapeStatus"], ctx.Data["FileContent"], err = markupRender(ctx, &markup.RenderContext{
Ctx: ctx,
RelativePath: path.Join(ctx.Repo.TreePath, readmeFile.name), // ctx.Repo.TreePath is the directory not the Readme so we must append the Readme filename (and path).
URLPrefix: path.Dir(readmeTreelink),
RelativePath: path.Join(ctx.Repo.TreePath, readmeFile.Name()), // ctx.Repo.TreePath is the directory not the Readme so we must append the Readme filename (and path).
URLPrefix: path.Join(readmeTreelink, subfolder),
Metas: ctx.Repo.Repository.ComposeDocumentMetas(),
GitRepo: ctx.Repo.GitRepo,
}, rd)
if err != nil {
log.Error("Render failed for %s in %-v: %v Falling back to rendering source", readmeFile.name, ctx.Repo.Repository, err)
log.Error("Render failed for %s in %-v: %v Falling back to rendering source", readmeFile.Name(), ctx.Repo.Repository, err)
buf := &bytes.Buffer{}
ctx.Data["EscapeStatus"], _ = charset.EscapeControlStringReader(rd, buf, ctx.Locale)
ctx.Data["FileContent"] = buf.String()

BIN
tests/gitea-repositories-meta/user2/repo1.git/objects/16/633238d370a441f98dca532e4296a619c4c85f Normal file
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Binary file not shown.

4
tests/gitea-repositories-meta/user2/repo1.git/objects/46/49299398e4d39a5c09eb4f534df6f1e1eb87cc Normal file
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@ -0,0 +1,4 @@
x<01><>QJÅ0EýÎ*f>¦<>¤I@DÁ‡_ú!n`šL^‹mòhSîÞ ®ÀÏ÷^Î e]ç
½3wu<13>nˆzr‘,²Ö]ò.6Ô‹îýÀCçƒÎ$uåMrëÒèÑ
1zaÑI\’„„Îê 㘺<10>(>êT6xŸÃ¼­:ɹáéò‡Oײ|¯u9~l"Öi$cîÑ ªðkZ[ëÿêSö
S¹ÁÇùùåí¼C;Ûä¼òEv¸M’!•#G˜30ìǘÊÒêy³]

1
tests/gitea-repositories-meta/user2/repo1.git/refs/heads/sub-home-md-img-check Normal file
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@ -0,0 +1 @@
4649299398e4d39a5c09eb4f534df6f1e1eb87cc

35
tests/integration/repo_test.go
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@ -362,7 +362,7 @@ func TestViewRepoDirectoryReadme(t *testing.T) {
missing("symlink-loop", "/user2/readme-test/src/branch/symlink-loop/")
}
func TestMarkDownImage(t *testing.T) {
func TestMarkDownReadmeImage(t *testing.T) {
defer tests.PrepareTestEnv(t)()
session := loginUser(t, "user2")
@ -371,13 +371,38 @@ func TestMarkDownImage(t *testing.T) {
resp := session.MakeRequest(t, req, http.StatusOK)
htmlDoc := NewHTMLParser(t, resp.Body)
_, exists := htmlDoc.doc.Find(`img[src="/user2/repo1/media/branch/home-md-img-check/test-fake-img.jpg"]`).Attr("src")
assert.True(t, exists, "Repo home page markdown image link check failed")
src, exists := htmlDoc.doc.Find(`.markdown img`).Attr("src")
assert.True(t, exists, "Image not found in README")
assert.Equal(t, src, "/user2/repo1/media/branch/home-md-img-check/test-fake-img.jpg")
req = NewRequest(t, "GET", "/user2/repo1/src/branch/home-md-img-check/README.md")
resp = session.MakeRequest(t, req, http.StatusOK)
htmlDoc = NewHTMLParser(t, resp.Body)
_, exists = htmlDoc.doc.Find(`img[src="/user2/repo1/media/branch/home-md-img-check/test-fake-img.jpg"]`).Attr("src")
assert.True(t, exists, "Repo src page markdown image link check failed")
src, exists = htmlDoc.doc.Find(`.markdown img`).Attr("src")
assert.True(t, exists, "Image not found in markdown file")
assert.Equal(t, src, "/user2/repo1/media/branch/home-md-img-check/test-fake-img.jpg")
}
func TestMarkDownReadmeImageSubfolder(t *testing.T) {
defer tests.PrepareTestEnv(t)()
session := loginUser(t, "user2")
// this branch has the README in the special docs/README.md location
req := NewRequest(t, "GET", "/user2/repo1/src/branch/sub-home-md-img-check")
resp := session.MakeRequest(t, req, http.StatusOK)
htmlDoc := NewHTMLParser(t, resp.Body)
src, exists := htmlDoc.doc.Find(`.markdown img`).Attr("src")
assert.True(t, exists, "Image not found in README")
assert.Equal(t, src, "/user2/repo1/media/branch/sub-home-md-img-check/docs/test-fake-img.jpg")
req = NewRequest(t, "GET", "/user2/repo1/src/branch/sub-home-md-img-check/docs/README.md")
resp = session.MakeRequest(t, req, http.StatusOK)
htmlDoc = NewHTMLParser(t, resp.Body)
src, exists = htmlDoc.doc.Find(`.markdown img`).Attr("src")
assert.True(t, exists, "Image not found in markdown file")
assert.Equal(t, src, "/user2/repo1/media/branch/sub-home-md-img-check/docs/test-fake-img.jpg")
}