3b2f28ff1c
Port [Fix wrong line number in code search result (gitea#29260)](https://github.com/go-gitea/gitea/pull/29260) PS: also added [`-e`](https://git-scm.com/docs/git-grep#Documentation/git-grep.txt--e) before passing the keyword (my bad) Co-authored-by: yp05327 <576951401@qq.com> Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/2619 Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org> Co-authored-by: Shiny Nematoda <snematoda.751k2@aleeas.com> Co-committed-by: Shiny Nematoda <snematoda.751k2@aleeas.com>
111 lines
2.5 KiB
Go
111 lines
2.5 KiB
Go
package files
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import (
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"context"
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"html/template"
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"strconv"
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"strings"
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repo_model "code.gitea.io/gitea/models/repo"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/gitrepo"
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"code.gitea.io/gitea/modules/highlight"
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"code.gitea.io/gitea/modules/timeutil"
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"github.com/go-enry/go-enry/v2"
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)
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type Result struct {
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RepoID int64 // ignored
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Filename string
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CommitID string // branch
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UpdatedUnix timeutil.TimeStamp // ignored
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Language string
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Color string
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Lines []ResultLine
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}
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type ResultLine struct {
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Num int64
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FormattedContent template.HTML
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}
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const pHEAD = "HEAD:"
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func NewRepoGrep(ctx context.Context, repo *repo_model.Repository, keyword string) ([]*Result, error) {
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t, _, err := gitrepo.RepositoryFromContextOrOpen(ctx, repo)
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if err != nil {
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return nil, err
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}
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data := []*Result{}
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stdout, _, err := git.NewCommand(ctx,
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"grep",
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"-1", // n before and after lines
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"-z",
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"--heading",
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"--break", // easier parsing
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"--fixed-strings", // disallow regex for now
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"-n", // line nums
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"-i", // ignore case
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"--full-name", // full file path, rel to repo
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//"--column", // for adding better highlighting support
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"-e", // for queries starting with "-"
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).
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AddDynamicArguments(keyword).
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AddArguments("HEAD").
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RunStdString(&git.RunOpts{Dir: t.Path})
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if err != nil {
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return data, nil // non zero exit code when there are no results
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}
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for _, block := range strings.Split(stdout, "\n\n") {
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res := Result{CommitID: repo.DefaultBranch}
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linenum := []int64{}
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code := []string{}
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for _, line := range strings.Split(block, "\n") {
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if strings.HasPrefix(line, pHEAD) {
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res.Filename = strings.TrimPrefix(line, pHEAD)
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continue
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}
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if ln, after, ok := strings.Cut(line, "\x00"); ok {
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i, err := strconv.ParseInt(ln, 10, 64)
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if err != nil {
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continue
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}
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linenum = append(linenum, i)
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code = append(code, after)
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}
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}
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if res.Filename == "" || len(code) == 0 || len(linenum) == 0 {
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continue
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}
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var hl template.HTML
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hl, res.Language = highlight.Code(res.Filename, "", strings.Join(code, "\n"))
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res.Color = enry.GetColor(res.Language)
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hlCode := strings.Split(string(hl), "\n")
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n := min(len(hlCode), len(linenum))
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res.Lines = make([]ResultLine, n)
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for i := 0; i < n; i++ {
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res.Lines[i] = ResultLine{
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Num: linenum[i],
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FormattedContent: template.HTML(hlCode[i]),
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}
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}
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data = append(data, &res)
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}
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return data, nil
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}
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