[IMP] add commit hash to footer and make checkout lighter

.forgejo/workflows/pin.yaml

@@ -57,9 +57,12 @@ jobs:
                     args:
                       - |
                         set -e
-                        git clone https://git.ziemlichoptimal.de/niels/randomp2p.git /work/repo
+                        git init /work/repo
                         cd /work/repo
-                        git checkout ${SHA}
+                        git remote add origin https://git.ziemlichoptimal.de/niels/randomp2p.git
+                        git fetch --depth 1 origin ${SHA}
+                        git checkout FETCH_HEAD
+                        sed -i "s/HASH/${SHA}/g" /work/repo/index.html
                         rm -rf /work/repo/.git
                     volumeMounts:
                       - { name: work, mountPath: /work }

index.html

@@ -126,7 +126,7 @@
   </section>
 
   <footer>
-    <p>&copy; by neunzig.wtf &middot; commit 87d2d0f</p>
+    <p>&copy; by neunzig.wtf &middot; commit <span id="commit-hash">HASH</span></p>
   </footer>
   <script src="vendor/simplepeer.min.js"></script>
   <script src="vendor/qrcode.min.js"></script>