Show in Web UI if file is vendored and generated

options/locale/locale_en-US.ini

@@ -1184,6 +1184,8 @@ audio_not_supported_in_browser = Your browser does not support the HTML5 'audio'
 stored_lfs = Stored with Git LFS
 symbolic_link = Symbolic link
 executable_file = Executable File
+vendored = Vendored
+generated = Generated
 commit_graph = Commit Graph
 commit_graph.select = Select branches
 commit_graph.hide_pr_refs = Hide Pull Requests

routers/web/repo/view.go

@@ -596,6 +596,25 @@ func renderFile(ctx *context.Context, entry *git.TreeEntry, treeLink, rawLink st
 		}
 	}
 
+	if ctx.Repo.GitRepo != nil {
+		checker, deferable := ctx.Repo.GitRepo.CheckAttributeReader(ctx.Repo.CommitID)
+		defer deferable()
+		attrs, err := checker.CheckPath(ctx.Repo.TreePath)
+		if err == nil {
+			if vendored, has := attrs["linguist-vendored"]; has {
+				if vendored == "set" || vendored == "true" {
+					ctx.Data["IsVendored"] = true
+				}
+			}
+
+			if generated, has := attrs["linguist-generated"]; has {
+				if generated == "set" || generated == "true" {
+					ctx.Data["IsGenerated"] = true
+				}
+			}
+		}
+	}
+
 	if fInfo.st.IsImage() && !fInfo.st.IsSvgImage() {
 		img, _, err := image.DecodeConfig(bytes.NewReader(buf))
 		if err == nil {

templates/repo/file_info.tmpl

@@ -30,6 +30,16 @@
 			{{ctx.Locale.Tr "repo.executable_file"}}
 		</div>
 	{{end}}
+	{{if .IsVendored}}
+		<div class="file-info-entry">
+			{{ctx.Locale.Tr "repo.vendored"}}
+		</div>
+	{{end}}
+	{{if .IsGenerated}}
+		<div class="file-info-entry">
+			{{ctx.Locale.Tr "repo.generated"}}
+		</div>
+	{{end}}
 	{{if .ImageSize}}
 		<div class="file-info-entry">
 			{{.ImageSize}}