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<?php |
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declare(strict_types=1); |
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/* |
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* Copyright (C) 2016 Billie Thompson |
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* |
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* This software may be modified and distributed under the terms |
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* of the MIT license. See the LICENSE file for details. |
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*/ |
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namespace PurpleBooth\GitLintValidators\Composer; |
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use Composer\IO\IOInterface; |
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use Composer\Script\Event; |
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class Scripts |
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{ |
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const BACKUP_EXTENSION = '.bak'; |
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const GIT_PATH = '.git'; |
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const HOOKS_PATH = 'hooks'; |
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const HOOK_FILENAME = 'commit-msg'; |
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const TEMPLATE_FILENAME = '.gitmessage'; |
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/** |
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* Default Permissions (Copied from example hooks). |
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* |
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* User: Read, Write, Execute |
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* Group: Read, Execute |
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* Other: Execute |
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*/ |
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const EXECUTABLE_PERMISSIONS = 0751; |
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const HOOK_CONTENTS = <<<'CONTENT' |
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#!/bin/sh |
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vendor/bin/git-lint-validators git-lint-validator:hook $1 |
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CONTENT; |
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const TEMPLATE_CONTENTS = <<<'CONTENT' |
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Subject line |
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# - Capitalise the subject line and do not end it with a period |
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# - Use the imperative mood in the subject line |
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# - Summarise changes in around 50 (soft limit, hard limit at 69) |
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# characters or less in the subject line |
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# - Separate subject line from body with a blank line |
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Subject body |
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# - Use the subject body to explain what and why vs. how |
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# - Wrap the subject body at 72 characters |
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CONTENT; |
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/** |
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* Installs and activates the Git commit message |
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* hook when confirmed by the user. An existing hook |
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* is backed with the .bak extension. |
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* |
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* @param Event $event The script event |
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* |
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* @return bool |
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*/ |
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public static function installGitMessageHook(Event $event) |
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{ |
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$hookContent = self::HOOK_CONTENTS; |
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$inputOutput = $event->getIO(); |
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$question = 'Do you want to install and activate the Git '; |
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$question .= 'commit message hook? '; |
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if ($inputOutput->askConfirmation($question, false)) { |
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$errorMessage = "Couldn't locate the .git directory. "; |
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$errorMessage .= 'Aborting the Git hook installation.'; |
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$gitDirectory = self::getGuardedGitDirectory($errorMessage, $inputOutput); |
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if (false === $gitDirectory) { |
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return false; |
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} |
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$hookFile = implode(DIRECTORY_SEPARATOR, [$gitDirectory, self::HOOKS_PATH, self::HOOK_FILENAME]); |
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$existingHookFile = false; |
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if (file_exists($hookFile)) { |
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$existingHookFile = copy( |
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$hookFile, |
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$hookFile.self::BACKUP_EXTENSION |
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); |
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} |
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file_put_contents($hookFile, $hookContent); |
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chmod($hookFile, self::EXECUTABLE_PERMISSIONS); |
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$inputOutput->write('Installed and activated the Git commit message hook.'); |
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if ($existingHookFile) { |
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$inputOutput->write('Backed previous Git commit message hook.'); |
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} |
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if ($inputOutput->isVerbose()) { |
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$inputOutput->write('Wrote'); |
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$inputOutput->write("<comment>$hookContent</comment>"); |
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$inputOutput->write("into <info>$hookFile</info> and made it executable."); |
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} |
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return true; |
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} |
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$inputOutput->write('Aborted installation and activation of the Git commit message hook.'); |
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return false; |
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} |
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/** |
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* Installs and configures the Git commit message |
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* template when confirmed by the user. |
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* |
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* @param Event $event The script event |
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* |
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* @return bool |
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*/ |
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public static function installGitCommitMessageTemplate(Event $event) |
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{ |
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$templateContent = self::TEMPLATE_CONTENTS; |
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$inputOutput = $event->getIO(); |
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$question = 'Do you want to install and configure the Git '; |
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$question .= 'commit message template? '; |
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if ($inputOutput->askConfirmation($question, false)) { |
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$errorMessage = "Couldn't locate the .git directory. "; |
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$errorMessage .= 'Aborting the Git commit message template installation.'; |
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$gitDirectory = self::getGuardedGitDirectory($errorMessage, $inputOutput); |
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if (false === $gitDirectory) { |
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return false; |
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} |
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$templateFile = implode(DIRECTORY_SEPARATOR, [$gitDirectory, self::TEMPLATE_FILENAME]); |
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file_put_contents($templateFile, $templateContent); |
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$gitConfigureCommand = "git config --add commit.template $templateFile"; |
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exec($gitConfigureCommand); |
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$inputOutput->write('Installed and configured the Git commit message template.'); |
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if ($inputOutput->isVerbose()) { |
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$inputOutput->write('Wrote'); |
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$inputOutput->write("<comment>$templateContent</comment>"); |
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$inputOutput->write("into <info>$templateFile</info> and configured the Git commit message template "); |
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$inputOutput->write("via <comment>$gitConfigureCommand</comment>."); |
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} |
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return true; |
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} |
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$inputOutput->write('Aborted installation and configuration of the Git commit message template.'); |
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return false; |
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} |
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/** |
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* Returns the .git directory if present. Errors the given |
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* message if not. |
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* |
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* @param string $message The message to error |
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* @param IOInterface $inputOutput The Input/Output helper interface |
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* |
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* @return false|string |
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*/ |
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private static function getGuardedGitDirectory($message, IOInterface $inputOutput) |
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{ |
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$gitDirectory = implode(DIRECTORY_SEPARATOR, [dirname(__DIR__, 4), self::GIT_PATH]); |
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if (!is_dir($gitDirectory)) { |
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$inputOutput->error($message); |
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return false; |
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} |
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return $gitDirectory; |
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} |
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} |
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PurpleBooth /
git-lint-validators
