A python script to generate git hooks to dump git version to a C header

git_version_hooks_for_c.py

import os

git_version_hook_lines = [
    "#!/bin/sh\n",
    "git_version_str=$(printf '#define GIT_VERSION_STRING \"%s\"' $(git rev-parse --short=16 HEAD))\n",
    "echo $git_version_str\n",
    "echo $git_version_str > ./git_version.h\n",
]

hooks_dir = os.path.join(os.getcwd(), '.git', 'hooks')
for hook in ('post-merge', 'post-commit', 'post-checkout'):
    fpath = os.path.join(hooks_dir, hook)
    with open(fpath, 'w') as f:
        f.writelines(git_version_hook_lines)
    os.chmod(fpath, 0o775)