#!/bin/sh bash


# The text that refuses the commit
# Change it to match your needs; keep it enclosed in single quotes
MARKER='// nocheckin'


# Verify the staged files for the presence of the marker text
if git diff --cached --name-only | xargs grep -q "$MARKER"; then
  echo 'Cannot commit because the "no-commit" marker has been found in one of the staged files.' 1>&2
  # Refuse to commit
  exit 1
fi