<?php
/**
* Only execute "composer update",
* if the "composer.json" file changed
* within the last 10 commits.
*/
function fileChanged() {
$cmd = 'git --no-pager diff --name-only HEAD~10 -- ./composer.json';
exec($cmd, $output);
return ($output[0] === 'composer.json') ? true : false;
}
if(fileChanged()) {
exec('composer update');
}
By the way, if your repository contains a `composer.lock` file: use `exec(‘composer install –no-dev’)`.