bin/git-pull-and-run-if-origin-changed

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+if [ -z "$1" ]; then
+  echo "command missing in arguments" >&2
+  exit 1
+fi
+
+# get the current branch name
+BRANCH=$(git rev-parse --abbrev-ref HEAD)
+
+while true; do
+
+  # get the latest commit hashes from origin and local
+  git fetch origin
+  LOCAL=$(git rev-parse HEAD)
+  REMOTE=$(git rev-parse origin/$BRANCH)
+
+  # check if the local branch differs from the remote branch
+  if [ "$LOCAL" != "$REMOTE" ]; then
+    echo "pulling changes from origin"
+    git pull origin $BRANCH
+
+    # run the command
+    echo "Running $*"
+    "$@"
+  else
+    echo "no changes detected on the origin branch"
+  fi
+
+  echo "waiting for 1 minute before checking again..."
+  sleep 60
+done