fix installation

README.md

@@ -5,7 +5,7 @@ devops package
 ## Installation
 
 ```sh
-cp post-checkout.sample .git/hooks/post-checkout
-chmod +x .git/hooks/post-checkout
-sh .git/hooks/post-checkout
+cp -f muggle/post-checkout.sample .git/modules/muggle/hooks/post-checkout
+chmod +x .git/modules/muggle/hooks/post-checkout
+sh muggle/install.sh
 ```

post-checkout.sample

@@ -1,2 +1,26 @@
 #!bin/bash
-../install.sh
+
+#!/bin/bash
+
+# Determine the directory of this hook
+HOOK_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+# Check if we are in a submodule setup
+if [ -f "$HOOK_DIR/gitmodules" ]; then
+    # We're in a superproject's .git/modules directory, so navigate up to the submodule's root
+    SUBMODULE_ROOT="$(dirname "$HOOK_DIR")/../../../$(basename "$HOOK_DIR")"
+else
+    # We're in a normal repo, so just go up one level to the repo root
+    SUBMODULE_ROOT="$(dirname "$HOOK_DIR")/.."
+fi
+
+# Path to install.sh relative to the repo/submodule root
+INSTALL_SCRIPT="$SUBMODULE_ROOT/install.sh"
+
+# Check if install.sh exists and is executable
+if [ -x "$INSTALL_SCRIPT" ]; then
+    # Run the install script with the arguments passed to the hook
+    "$INSTALL_SCRIPT" "$@"
+else
+    echo "Warning: install.sh not found or not executable at $INSTALL_SCRIPT" >&2
+fi