Git pre-commit hook script for Drupal
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README.md
pre-commit

README.md

Git pre-commit hook script for Drupal

Overview

Git pre-commit hook script is been built specifically for Drupal git repository.

Prerequisite

  1. PHP Code Sniffer (phpcs).
  2. Coder module - Drupal code sniffer standard.

Installation

For using this hook script just copy/download the script file to your git repository hooks folder that is in .git/hooks/. Don't forget to give executable permission for the script file.

Working

Whenever a git commit is been performed, pre-commit hook script will be executed by git inbuilt hook support. The above script does syntax check, any debugging function, merge conflict tags as well as looks for coding standard in the changes staged to commit (which is a bad practice). In any case, the commit operation will be aborted and can be committed after doing corrections or removing the debugging function xfrom the code.

In case you want to force commit with any debugging functions (not recommended) you can do it by using the git command option -n OR --no-verify.

Syntax check

Syntax check is been performed using php -l command for each php files (file with extensions 'php, inc and module').

Check for debugging functions

Checking for debugging function is been performed using git diff command only to files staged to commit and in turn only to added/modified changes.

List of debugging functions included for checking are: dpm, dpq, dvm, ddebug_backtrace, print_r, var_dump, debug_backtrace, console.log. First 4 functions are of Drupal devel module, later 3 are of php and last one is of javascript.

Merge conflict marker check

Merge conflict marker check is been performed to all files staged to commit using egrep pattern "(<<<<|====|>>>>)+.*(\n)?".

Coding standard check

Checks for coding standard issues using phpcs with arguments:

  1. standard = Drupal
  2. extensions = 'php,module,inc,install,test,profile,theme,js,css,info,txt'

Note

For better performance of the script, we have excluded the checking of files with following extensions: 'info, png, gif, jpg, ico, patch, htaccess, sh, ttf, woff, eot, svg'. Also excluded files residing in the following directories: 'features, contrib, devel, libraries'.