mirror of
https://github.com/go-gitea/gitea
synced 2025-07-23 02:38:35 +00:00
Refactor Git Attribute & performance optimization (#34154)
This PR moved git attributes related code to `modules/git/attribute` sub package and moved language stats related code to `modules/git/languagestats` sub package to make it easier to maintain. And it also introduced a performance improvement which use the `git check-attr --source` which can be run in a bare git repository so that we don't need to create a git index file. The new parameter need a git version >= 2.40 . If git version less than 2.40, it will fall back to previous implementation. --------- Co-authored-by: wxiaoguang <wxiaoguang@gmail.com> Co-authored-by: yp05327 <576951401@qq.com>
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@@ -18,6 +18,7 @@ import (
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"code.gitea.io/gitea/modules/actions"
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"code.gitea.io/gitea/modules/charset"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/git/attribute"
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"code.gitea.io/gitea/modules/highlight"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/markup"
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@@ -25,7 +26,6 @@ import (
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"code.gitea.io/gitea/modules/util"
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"code.gitea.io/gitea/services/context"
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issue_service "code.gitea.io/gitea/services/issue"
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files_service "code.gitea.io/gitea/services/repository/files"
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"github.com/nektos/act/pkg/model"
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)
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@@ -147,6 +147,23 @@ func prepareToRenderFile(ctx *context.Context, entry *git.TreeEntry) {
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ctx.Data["EditFileTooltip"] = ctx.Tr("repo.editor.cannot_edit_non_text_files")
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}
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// read all needed attributes which will be used later
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// there should be no performance different between reading 2 or 4 here
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attrsMap, err := attribute.CheckAttributes(ctx, ctx.Repo.GitRepo, ctx.Repo.CommitID, attribute.CheckAttributeOpts{
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Filenames: []string{ctx.Repo.TreePath},
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Attributes: []string{attribute.LinguistGenerated, attribute.LinguistVendored, attribute.LinguistLanguage, attribute.GitlabLanguage},
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})
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if err != nil {
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ctx.ServerError("attribute.CheckAttributes", err)
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return
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}
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attrs := attrsMap[ctx.Repo.TreePath]
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if attrs == nil {
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// this case shouldn't happen, just in case.
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setting.PanicInDevOrTesting("no attributes found for %s", ctx.Repo.TreePath)
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attrs = attribute.NewAttributes()
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}
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switch {
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case isRepresentableAsText:
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if fInfo.fileSize >= setting.UI.MaxDisplayFileSize {
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@@ -209,11 +226,7 @@ func prepareToRenderFile(ctx *context.Context, entry *git.TreeEntry) {
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ctx.Data["NumLines"] = bytes.Count(buf, []byte{'\n'}) + 1
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}
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language, err := files_service.TryGetContentLanguage(ctx.Repo.GitRepo, ctx.Repo.CommitID, ctx.Repo.TreePath)
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if err != nil {
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log.Error("Unable to get file language for %-v:%s. Error: %v", ctx.Repo.Repository, ctx.Repo.TreePath, err)
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}
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language := attrs.GetLanguage().Value()
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fileContent, lexerName, err := highlight.File(blob.Name(), language, buf)
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ctx.Data["LexerName"] = lexerName
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if err != nil {
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@@ -283,17 +296,7 @@ func prepareToRenderFile(ctx *context.Context, entry *git.TreeEntry) {
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}
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}
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if ctx.Repo.GitRepo != nil {
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checker, deferable := ctx.Repo.GitRepo.CheckAttributeReader(ctx.Repo.CommitID)
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if checker != nil {
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defer deferable()
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attrs, err := checker.CheckPath(ctx.Repo.TreePath)
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if err == nil {
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ctx.Data["IsVendored"] = git.AttributeToBool(attrs, git.AttributeLinguistVendored).Value()
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ctx.Data["IsGenerated"] = git.AttributeToBool(attrs, git.AttributeLinguistGenerated).Value()
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}
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}
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}
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ctx.Data["IsVendored"], ctx.Data["IsGenerated"] = attrs.GetVendored().Value(), attrs.GetGenerated().Value()
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if fInfo.st.IsImage() && !fInfo.st.IsSvgImage() {
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img, _, err := image.DecodeConfig(bytes.NewReader(buf))
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