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git hook to run a command after `git pull` if a specified file was changed.In this example it's used to run `npm install` if package.json changed and `bower install` if `bower.json` changed.Run `chmod +x post-merge` to make it executable then put it into `.git/hooks/`.
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| #!/usr/bin/env bash | |
| # MIT © Sindre Sorhus - sindresorhus.com | |
| # git hook to run a command after `git pull` if a specified file was changed | |
| # Run `chmod +x post-merge` to make it executable then put it into `.git/hooks/`. | |
| changed_files="$(git diff-tree -r --name-only --no-commit-id ORIG_HEAD HEAD)" | |
| check_run() { | |
| echo "$changed_files" | grep --quiet "$1" && eval "$2" | |
| } | |
| check_run README.md "echo 'README.md changed!';git diff ORIG_HEAD -- README.md" | |
| check_run .env.example "echo '.env.example changed!';git diff ORIG_HEAD -- .env.example" | |
| check_run package.json "echo 'package.json changed! Running npm install.';npm install" |
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Example showing the specific checks I used for one of my repositories