Add multihook script

use-hook-dir.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+# From: https://gist.github.com/mjackson/7e602a7aa357cfe37dadcc016710931b
+
+# Make a symlink per hook to this script you use e.g. .git/hooks/pre-receive.
+# It looks for scripts in the .git/hooks/pre-receive.d directory and executes them in order,
+# passing along stdin. If any script exits with a non-zero status, this script exits.
+
+script_dir=$(dirname $0)
+hook_name=$(basename $0)
+
+hook_dir="$script_dir/$hook_name.d"
+
+if [[ -d $hook_dir ]]; then
+  stdin=$(cat /dev/stdin)
+
+  for hook in $hook_dir/*; do
+    echo "$stdin" | $hook "$@"
+
+    exit_code=$?
+
+    if [ $exit_code != 0 ]; then
+      exit $exit_code
+    fi
+  done
+fi
+
+exit 0