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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
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GPG key ID: 4AEE18F83AFDEB23
13 changed files with 223 additions and 97 deletions
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17
modules/git/repo_attribute.go
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@ -22,6 +22,8 @@ type CheckAttributeOpts struct {
AllAttributes bool
Attributes []string
Filenames []string
IndexFile string
WorkTree string
}
// CheckAttribute return the Blame object of file
@ -31,6 +33,19 @@ func (repo *Repository) CheckAttribute(opts CheckAttributeOpts) (map[string]map[
return nil, fmt.Errorf("git version missing: %v", err)
}
env := []string{}
if len(opts.IndexFile) > 0 && CheckGitVersionAtLeast("1.7.8") == nil {
env = append(env, "GIT_INDEX_FILE="+opts.IndexFile)
}
if len(opts.WorkTree) > 0 && CheckGitVersionAtLeast("1.7.8") == nil {
env = append(env, "GIT_WORK_TREE="+opts.WorkTree)
}
if len(env) > 0 {
env = append(os.Environ(), env...)
}
stdOut := new(bytes.Buffer)
stdErr := new(bytes.Buffer)
@ -61,7 +76,7 @@ func (repo *Repository) CheckAttribute(opts CheckAttributeOpts) (map[string]map[
cmd := NewCommand(cmdArgs...)
if err := cmd.RunInDirPipeline(repo.Path, stdOut, stdErr); err != nil {
if err := cmd.RunInDirTimeoutEnvPipeline(env, -1, repo.Path, stdOut, stdErr); err != nil {
return nil, fmt.Errorf("failed to run check-attr: %v\n%s\n%s", err, stdOut.String(), stdErr.String())
}