1 files changed, 21 insertions, 0 deletions
diff --git a/templates/root_clone.sh b/templates/root_clone.sh
new file mode 100644
index 0000000..7f92c5f
--- /dev/null
+++ b/templates/root_clone.sh
@@ -0,0 +1,21 @@
+#!/bin/sh
+
+REPO="$1"
+TARGET="$2"
+
+set -eux
+
+# Exits with 100 if the directory was changed
+
+if [ ! -d "$TARGET" ]; then
+    git clone --depth=1 --branch main --single-branch "$REPO" "$TARGET"
+    exit 100
+fi
+
+cd "$TARGET"
+before=$(git rev-parse HEAD)
+git fetch --depth=1 --prune origin main
+git reset --hard origin/main
+after=$(git rev-parse HEAD)
+
+if [ "$before" != "$after" ]; then exit 100; fi