From 9bb6fb2afc0e1b7c2d6728543a0d9f020416c3ad Mon Sep 17 00:00:00 2001
From: Derek Stevens <nilix@nilfm.cc>
Date: Tue, 31 Jan 2023 14:27:48 -0700
Subject: [PATCH] only add go meta import tag if go.mod exists in repo root

---
 routes/routes.go    | 1 +
 routes/util.go      | 7 +++++++
 templates/head.html | 2 +-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/routes/routes.go b/routes/routes.go
index 3124d1b..4d99ab0 100644
--- a/routes/routes.go
+++ b/routes/routes.go
@@ -151,6 +151,7 @@ func (d *deps) RepoIndex(w http.ResponseWriter, r *http.Request) {
 	data["commits"] = commits
 	data["desc"] = getDescription(path)
 	data["servername"] = d.c.Server.Name
+	data["gomod"] = isGoModule(gr)
 
 	if err := t.ExecuteTemplate(w, "repo", data); err != nil {
 		log.Println(err)
diff --git a/routes/util.go b/routes/util.go
index d3f80fe..e6a6267 100644
--- a/routes/util.go
+++ b/routes/util.go
@@ -3,8 +3,15 @@ package routes
 import (
 	"os"
 	"path/filepath"
+
+	"git.icyphox.sh/legit/git"
 )
 
+func isGoModule(gr *git.GitRepo) bool {
+	_, err := gr.FileContent("go.mod")
+	return err == nil
+}
+
 func getDescription(path string) (desc string) {
 	db, err := os.ReadFile(filepath.Join(path, "description"))
 	if err == nil {
diff --git a/templates/head.html b/templates/head.html
index ea910dc..53487eb 100644
--- a/templates/head.html
+++ b/templates/head.html
@@ -5,7 +5,7 @@
     <link rel="stylesheet" href="/static/style.css" type="text/css">
     <link rel="stylesheet" href="https://cdn.icyphox.sh/fonts/inter.css" type="text/css">
     <link rel="icon" type="image/png" size="32x32" href="/static/legit.png">
-    {{ if .servername }}
+    {{ if and .servername .gomod }}
     <meta name="go-import" content="{{ .servername}}/{{ .name }} git https://{{ .servername }}/{{ .name }}">
     {{ end }}
     <!-- other meta tags here -->