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<?php
namespace Deployer;
use Deployer\Exception\RunException;
/**
* Determines which branch to deploy. Can be overridden with cli option `--branch`.
* If not specified, will get current git HEAD branch as default branch to deploy.
*/
set('branch', function () {
if (input()->hasOption('branch') && !empty(input()->getOption('branch'))) {
return input()->getOption('branch');
}
return null;
});
/**
* Update code at {{release_path}} on host.
*/
desc('Update code');
task('deploy:update_code', function () {
$repository = get('repository');
$branch = get('branch');
$git = get('bin/git');
$at = 'HEAD';
if (!empty($branch)) {
$at = $branch;
}
// If option `tag` is set.
if (input()->hasOption('tag')) {
$tag = input()->getOption('tag');
if (!empty($tag)) {
$at = $tag;
}
}
// If option `tag` is not set and option `revision` is set.
if (empty($tag)) {
$revision = input()->getOption('revision');
if (!empty($revision)) {
$at = $revision;
}
}
// Populate known hosts.
preg_match('/.*(@|\/\/)([^\/:]+).*/', $repository, $match);
if (isset($match[2])) {
$repositoryHostname = $match[2];
try {
run("ssh-keygen -F $repositoryHostname");
} catch (RunException $e) {
run("ssh-keyscan -H $repositoryHostname >> ~/.ssh/known_hosts");
}
}
$bare = parse('{{deploy_path}}/.dep/repo');
start:
// Clone the repository to a bare repo.
run("[ -d $bare ] || mkdir -p $bare");
run("[ -f $bare/HEAD ] || $git clone --mirror $repository $bare 2>&1");
cd($bare);
// If remote url changed, drop `.git/repo` and reinstall.
if (run("$git config --get remote.origin.url") !== $repository) {
cd('{{deploy_path}}');
run("rm -rf $bare");
goto start;
}
// Copy to release_path.
run("$git remote update 2>&1");
run("$git archive $at | tar -x -f - -C {{release_path}} 2>&1");
// Save revision in releases log.
$rev = run("$git rev-list $at -1");
run("sed -ibak 's/revision/$rev/' {{deploy_path}}/.dep/releases");
});