Add --last-push-hash flag when deploying ebooks via GitHub webhook

This commit is contained in:
Alex Cabal 2020-09-01 14:53:34 -05:00
parent d649df75f0
commit 708873dc24

View file

@ -7,8 +7,13 @@ use function Safe\preg_replace;
use function Safe\json_decode;
use function Safe\glob;
// This script makes various calls to external scripts using exec() (and when called via Apache, as the www-data user).
// These scripts are allowed using the /etc/sudoers.d/www-data file. Only the specific scripts
// in that file may be executed by this script.
// Get a semi-random ID to identify this request within the log.
$requestId = substr(sha1(time() . rand()), 0, 8);
$lastPushHashFlag = '';
try{
Logger::WriteGithubWebhookLogEntry($requestId, 'Received GitHub webhook.');
@ -73,7 +78,7 @@ try{
}
}
Logger::WriteGithubWebhookLogEntry($requestId, 'Processing ebook "' . $repoName . '" located at "' . $dir . '".');
Logger::WriteGithubWebhookLogEntry($requestId, 'Processing ebook `' . $repoName . '` located at `' . $dir . '`.');
// Check the local repo's last commit. If it matches this push, then don't do anything; we're already up to date.
$lastCommitSha1 = trim(shell_exec('git -C ' . escapeshellarg($dir) . ' rev-parse HEAD 2>&1') ?? '');
@ -90,18 +95,30 @@ try{
}
}
// Get the current HEAD hash and save for later
$output = [];
exec('sudo --set-home --user se-vcs-bot git -C ' . escapeshellarg($dir) . ' rev-parse HEAD', $output, $returnCode);
if($returnCode != 0){
Logger::WriteGithubWebhookLogEntry($requestId, 'Couldn\'t get last commit of local repo. Output: ' . implode("\n", $output));
}
else{
$lastPushHashFlag = ' --last-push-hash ' . escapeshellarg($output[0]);
}
// Now that we have the ebook filesystem path, pull the latest commit from GitHub.
$output = [];
exec('sudo --set-home --user se-vcs-bot /standardebooks.org/scripts/pull-from-github ' . escapeshellarg($dir) . ' 2>&1', $output, $returnCode);
if($returnCode != 0){
Logger::WriteGithubWebhookLogEntry($requestId, 'Error pulling from GitHub. Output: ' . implode("\n", $output));
throw new WebhookException('Couldn\'t process ebook.', $post);
}
else{
Logger::WriteGithubWebhookLogEntry($requestId, 'git pull from GitHub complete.');
Logger::WriteGithubWebhookLogEntry($requestId, '`git pull` from GitHub complete.');
}
// Our local repo is now updated. Build the ebook!
exec('sudo --set-home --user se-vcs-bot tsp -n /standardebooks.org/web/scripts/deploy-ebook-to-www ' . escapeshellarg($dir) . ' 2>&1', $output, $returnCode);
$output = [];
exec('sudo --set-home --user se-vcs-bot tsp /standardebooks.org/web/scripts/deploy-ebook-to-www' . $lastPushHashFlag . ' ' . escapeshellarg($dir) . ' 2>&1', $output, $returnCode);
if($returnCode != 0){
Logger::WriteGithubWebhookLogEntry($requestId, 'Error queueing ebook for deployment to web. Output: ' . implode("\n", $output));
throw new WebhookException('Couldn\'t process ebook.', $post);