Git hooks when using composer/bower/npm

post-checkout

#!/usr/bin/env php
<?php

exec("git diff --name-only {$argv[1]} {$argv[2]}", $changedFiles);

$filesAction = array(
    'composer.lock' => 'composer install',
    'package.json' => 'npm install',
    'bower.json' => 'bower install',
);

foreach ($filesAction as $file => $action) {
    if (in_array($file, $changedFiles)) {
        passthru($action);
    }
}

post-merge

#!/usr/bin/env php
<?php

exec('git diff --name-only HEAD HEAD~1', $changedFiles);

$filesAction = array(
    'composer.lock' => 'composer install',
    'package.json' => 'npm install',
    'bower.json' => 'bower install',
);

foreach ($filesAction as $file => $action) {
    if (in_array($file, $changedFiles)) {
        passthru($action);
    }
}