Install the git-sync script directly from the upstream repository

.local/bin/resync-git-sync

@@ -0,0 +1,10 @@
+#! /usr/bin/sh
+
+REPO_DIR="$(systemd-path user-state-private)"/git-sync
+if [ -d "${REPO_DIR}" ]
+then
+    git -C "${REPO_DIR}" pull
+else
+    cd "$(systemd-path user-state-private)" || exit
+    git clone https://github.com/simonthum/git-sync
+fi

.local/bin/upgrade

@@ -20,7 +20,13 @@ pipx_update() {
     done
 }
 
+git_sync_update() {
+    echo Updating git-sync...
+    resync-git-sync
+}
+
 apt_update
 pipx_update
 cargo_update
 ghup
+git_sync_update