Release script

release-svn.php

#!/usr/bin/env php
<?php
echo "Release script\n";
echo " (c) 2013 Frank Kleine\n";
echo " This software is Drinkware. If you happen to meet the author spend him a drink.\n\n";
$pwd = getcwd();
if (false === $pwd) {
    error("Can't retrieve current directory - please check file permissions.");
    exit(1);
}

$svnTrunkUrl = getSvnTrunkUrl();
echo "Create release from " . $svnTrunkUrl . "\n";
$output = execute('svn st 2>&1 | tail -n1', 'Failure while checking svn status', 5);
if (count($output) > 0) {
    error("Can't create release, working directory not clean.\n");
    passthru('svn st');
    exit(6);
}

passthru('svn up'); // definately a problem as it can pull new untested stuff, but we want to be up to date herecd s
if (!file_exists($pwd . DIRECTORY_SEPARATOR . 'composer.json')) {
    error("No composer.json found - are you sure this is a composer package?");
    exit(7);
}

echo "Last 5 releases:\n";
passthrough('svn list ' . getSvnTagUrl($svnTrunkUrl) . ' | grep "v" | sort -r | head -5', 8);
echo "\nPlease name the version to release (leave empty to abort): ";
$newVersion = trim(rtrim(fgets(STDIN), "\r\n"));
if (empty($newVersion)) {
    error("You must provide a version.\n");
    exit(9);
}

passthrough('svn cp . ' . getSvnTagUrl($svnTrunkUrl) . '/' . $newVersion . ' -m "tag release ' . $newVersion . '"', 10);
echo "Successfully created release " . $newVersion . "\n";
exit(0);

/**
 * retrieves SVN URL of project
 *
 * In case checkout is not trunk it will exit with an error;
 *
 * @return  string
 */
function getSvnTrunkUrl()
{
    $svnInfo = execute('svn info 2>&1', 'Failure while checking svn info', 2);
    if (!isset($svnInfo[1])) {
        error('Command svn info failed');
        exit(3);
    }

    $svnTrunkUrl = str_replace('URL: ', '', $svnInfo[1]);
    if (substr($svnTrunkUrl, -5) !== 'trunk') {
        error('Current checkout is not trunk, can create releases from trunk only');
        exit(4);
    }

    return $svnTrunkUrl;
}

/**
 * creates tag url from svn url which is supposed to be trunk
 *
 * @param   string  $svnUrl
 * @return  string
 */
function getSvnTagUrl($svnTrunkUrl)
{
    return substr($svnTrunkUrl, 0, strlen($svnTrunkUrl) - 5) . 'tags';
}

/**
 * calls passthru() and exits with given exit code if return code is not 0
 *
 * @param  string  $command
 * @param  int     $exitCode
 */
function passthrough($command, $exitCode)
{
    $return = 0;
    passthru($command, $return);
    if (0 !== $return) {
        exit($exitCode);
    }
}

/**
 * execute given command
 *
 * If the command fails it prints the given error message and calls exit() with
 * the given exit code.
 *
 * Returns the output of the command if successful.
 *
 * @param   string  $command
 * @param   string  $errorMsg
 * @param   int     $exitCode
 * @return  string[]
 */
function execute($command, $errorMsg, $exitCode)
{
    $output = array();
    $return = 0;
    exec($command, $output, $return);
    if (0 !== $return) {
        error($errorMsg . ": " . join("\n", $output));
        exit($exitCode);
    }

    return $output;
}

/**
 * prints out given error message
 *
 * @param  string  $message
 */
function error($message)
{
    echo 'ERROR: ' . $message . "\n";
}

release.php

#!/usr/bin/env php
<?php
echo "Release script\n";
echo " (c) 2012 Frank Kleine\n";
echo " This software is Drinkware. If you happen to meet the author spend him a drink.\n\n";
$pwd = getcwd();
if (false === $pwd) {
    error("Can't retrieve current directory - please check file permissions.");
    exit(1);
}

$output = execute('git status 2> /dev/null | tail -n1', 'Failure while checking git status', 2);
if (!isset($output[0])) {
    error("Current directory is not a git repository.\n");
    exit(3);
} elseif ('nothing to commit (working directory clean)' !== $output[0]) {
    error("Can't create release, working directory not clean.\n");
    passthru('git status');
    exit(4);
}

if (!file_exists($pwd . DIRECTORY_SEPARATOR . 'composer.json')) {
    error("No composer.json found - are you sure this is a composer package?");
    exit(5);
}

echo "Last 5 releases:\n";
passthrough('git tag -l | grep "v" | sort -r | head -5', 6);

echo "\nPlease name the version to release (leave empty to abort): ";
$newVersion = trim(rtrim(fgets(STDIN), "\r\n"));
if (empty($newVersion)) {
    error("You must provide a version.\n");
    exit(7);
}

passthrough('git tag -a ' . $newVersion . ' -m "tag release ' . $newVersion . '"', 8);
passthrough('git push --tags', 9);
echo "Successfully created release " . $newVersion . "\n";
exit(0);

/**
 * calls passthru() and exits with given exit code if return code is not 0
 *
 * @param  string  $command
 * @param  int     $exitCode
 */
function passthrough($command, $exitCode)
{
    $return = 0;
    passthru($command, $return);
    if (0 !== $return) {
        exit($exitCode);
    }
}

/**
 * execute given command
 *
 * If the command fails it prints the given error message and calls exit() with
 * the given exit code.
 *
 * Returns the output of the command if successful.
 *
 * @param   string  $command
 * @param   string  $errorMsg
 * @param   int     $exitCode
 * @return  string[]
 */
function execute($command, $errorMsg, $exitCode)
{
    $output = array();
    $return = 0;
    exec($command, $output, $return);
    if (0 !== $return) {
        error($errorMsg . ": " . join("\n", $output));
        exit($exitCode);
    }

    return $output;
}

/**
 * prints out given error message
 *
 * @param  string  $message
 */
function error($message)
{
    echo 'ERROR: ' . $message . "\n";
}
?>