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Add .gitattribute assisted language detection to blame, diff and render (#17590)

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Use check attribute code to check the assigned language of a file and send that in to
chroma as a hint for the language of the file.

Signed-off-by: Andrew Thornton <art27@cantab.net>
This commit is contained in:
zeripath
2021-11-17 20:37:00 +00:00
committed by GitHub
parent 81a4fc7528
commit 3c4724d70e
13 changed files with 223 additions and 97 deletions
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28
routers/web/repo/blame.go
View File

@@ -16,6 +16,7 @@ import (
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/git"
"code.gitea.io/gitea/modules/highlight"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/templates"
"code.gitea.io/gitea/modules/timeutil"
"code.gitea.io/gitea/modules/util"
@@ -204,6 +205,31 @@ func processBlameParts(ctx *context.Context, blameParts []git.BlamePart) (map[st
func renderBlame(ctx *context.Context, blameParts []git.BlamePart, commitNames map[string]*models.UserCommit, previousCommits map[string]string) {
repoLink := ctx.Repo.RepoLink
language := ""
indexFilename, worktree, deleteTemporaryFile, err := ctx.Repo.GitRepo.ReadTreeToTemporaryIndex(ctx.Repo.CommitID)
if err == nil {
defer deleteTemporaryFile()
filename2attribute2info, err := ctx.Repo.GitRepo.CheckAttribute(git.CheckAttributeOpts{
CachedOnly: true,
Attributes: []string{"linguist-language", "gitlab-language"},
Filenames: []string{ctx.Repo.TreePath},
IndexFile: indexFilename,
WorkTree: worktree,
})
if err != nil {
log.Error("Unable to load attributes for %-v:%s. Error: %v", ctx.Repo.Repository, ctx.Repo.TreePath, err)
}
language = filename2attribute2info[ctx.Repo.TreePath]["linguist-language"]
if language == "" || language == "unspecified" {
language = filename2attribute2info[ctx.Repo.TreePath]["gitlab-language"]
}
if language == "unspecified" {
language = ""
}
}
var lines = make([]string, 0)
rows := make([]*blameRow, 0)
@@ -248,7 +274,7 @@ func renderBlame(ctx *context.Context, blameParts []git.BlamePart, commitNames m
line += "\n"
}
fileName := fmt.Sprintf("%v", ctx.Data["FileName"])
line = highlight.Code(fileName, line)
line = highlight.Code(fileName, language, line)
br.Code = gotemplate.HTML(line)
rows = append(rows, br)

28
routers/web/repo/view.go
View File

@@ -502,7 +502,33 @@ func renderFile(ctx *context.Context, entry *git.TreeEntry, treeLink, rawLink st
lineNums := linesBytesCount(buf)
ctx.Data["NumLines"] = strconv.Itoa(lineNums)
ctx.Data["NumLinesSet"] = true
ctx.Data["FileContent"] = highlight.File(lineNums, blob.Name(), buf)
language := ""
indexFilename, worktree, deleteTemporaryFile, err := ctx.Repo.GitRepo.ReadTreeToTemporaryIndex(ctx.Repo.CommitID)
if err == nil {
defer deleteTemporaryFile()
filename2attribute2info, err := ctx.Repo.GitRepo.CheckAttribute(git.CheckAttributeOpts{
CachedOnly: true,
Attributes: []string{"linguist-language", "gitlab-language"},
Filenames: []string{ctx.Repo.TreePath},
IndexFile: indexFilename,
WorkTree: worktree,
})
if err != nil {
log.Error("Unable to load attributes for %-v:%s. Error: %v", ctx.Repo.Repository, ctx.Repo.TreePath, err)
}
language = filename2attribute2info[ctx.Repo.TreePath]["linguist-language"]
if language == "" || language == "unspecified" {
language = filename2attribute2info[ctx.Repo.TreePath]["gitlab-language"]
}
if language == "unspecified" {
language = ""
}
}
ctx.Data["FileContent"] = highlight.File(lineNums, blob.Name(), language, buf)
}
if !isLFSFile {
if ctx.Repo.CanEnableEditor() {