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<?php |
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namespace Ams\Composer\GitHooks\Installer; |
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use Ams\Composer\GitHooks\Config; |
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use Ams\Composer\GitHooks\GitHooks; |
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use Ams\Composer\GitHooks\Plugin; |
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use Composer\Installer\LibraryInstaller; |
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use Composer\Package\PackageInterface; |
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use Composer\Repository\InstalledRepositoryInterface; |
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use Composer\Util\Silencer; |
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class GitHooksInstaller extends LibraryInstaller |
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{ |
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/** |
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* @inheritdoc |
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*/ |
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public function supports($packageType) |
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{ |
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return $packageType === Plugin::PACKAGE_TYPE; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function install(InstalledRepositoryInterface $repo, PackageInterface $package) |
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{ |
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parent::install($repo, $package); |
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$gitRootPath = $this->getGitRootPath(); |
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if (!is_dir($gitRootPath)) { |
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$this->io->writeError(sprintf( |
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' <warning>Skipped installation of %s: Not a git repository found on "git-root" path %s</warning>', |
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$package->getName(), |
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$gitRootPath |
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)); |
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return; |
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} |
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$originPath = $this->getInstallPath($package); |
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$targetPath = $this->getGitHooksInstallPath(); |
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if ($this->io->isVerbose()) { |
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$this->io->write(sprintf(' Installing git hooks from %s into %s', $originPath, $targetPath)); |
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} |
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// throws exception if one of both paths doesn't exists or couldn't be created |
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$this->filesystem->ensureDirectoryExists($originPath); |
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$this->filesystem->ensureDirectoryExists($targetPath); |
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$this->installGitHooks($originPath, $targetPath); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function update(InstalledRepositoryInterface $repo, PackageInterface $initial, PackageInterface $target) |
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{ |
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parent::update($repo, $initial, $target); |
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$gitRootPath = $this->getGitRootPath(); |
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if (!is_dir($gitRootPath)) { |
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$this->io->writeError(sprintf( |
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' <warning>Skipped update of %s: Not a git repository found on "git-root" path %s</warning>', |
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$target->getName(), |
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$gitRootPath |
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)); |
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return; |
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} |
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$originPath = $this->getInstallPath($initial); |
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$targetPath = $this->getGitHooksInstallPath(); |
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if ($this->io->isVerbose()) { |
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$this->io->write(sprintf(' Updating git hooks from %s into %s', $originPath, $targetPath)); |
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} |
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// throws exception if one of both paths doesn't exists or couldn't be created |
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$this->filesystem->ensureDirectoryExists($originPath); |
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$this->filesystem->ensureDirectoryExists($targetPath); |
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$this->installGitHooks($originPath, $targetPath, true); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function uninstall(InstalledRepositoryInterface $repo, PackageInterface $package) |
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{ |
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$gitRootPath = $this->getGitRootPath(); |
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if (!is_dir($gitRootPath)) { |
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$this->io->writeError(sprintf( |
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' <warning>Skipped update of %s: Not a git repository found on "git-root" path %s</warning>', |
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$package->getName(), |
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$gitRootPath |
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)); |
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return; |
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} |
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$originPath = $this->getInstallPath($package); |
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$targetPath = $this->getGitHooksInstallPath(); |
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if ($this->io->isVerbose()) { |
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$this->io->write(sprintf(' Uninstalling git hooks from %s into %s', $originPath, $targetPath)); |
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} |
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$this->removeGitHooks($originPath, $targetPath); |
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parent::uninstall($repo, $package); |
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} |
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/** |
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* @param string $sourcePath |
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* @param string $targetPath |
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* @param bool $isUpdate |
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*/ |
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private function installGitHooks($sourcePath, $targetPath, $isUpdate = false) |
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{ |
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$i = new \FilesystemIterator($sourcePath); |
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foreach ($i as $githook) { |
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// ignore all files not matching a git hook name |
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if (!array_search($githook->getFilename(), GitHooks::$hookFilename)) { |
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continue; |
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} |
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$newPath = $targetPath . '/' . $githook->getFilename(); |
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// check if there is already a git hook with same name do nothing |
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if (file_exists($newPath) && !$isUpdate) { |
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$this->io->write(sprintf(' Found already existing %s git hook. Doing nothing.', $githook->getFilename())); |
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continue; |
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} |
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// if hook already exist but anything changed update it |
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if (file_exists($newPath) && $isUpdate && sha1_file($githook->getPathname()) === sha1_file($newPath)) { |
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continue; |
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} |
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$this->io->write(sprintf(' Installing git hook %s', $githook->getFilename())); |
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$this->filesystem->relativeSymlink($githook->getPathname(), $newPath); |
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Silencer::call('chmod', $newPath, 0777 & ~umask()); |
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} |
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} |
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/** |
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* @param string $sourcePath |
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* @param string $targetPath |
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*/ |
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private function removeGitHooks($sourcePath, $targetPath) |
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{ |
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$i = new \FilesystemIterator($sourcePath); |
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foreach ($i as $githook) { |
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// ignore all files not matching a git hook name |
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if (!array_search($githook->getFilename(), GitHooks::$hookFilename)) { |
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continue; |
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} |
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$newPath = $targetPath . '/' . $githook->getFilename(); |
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if (file_exists($newPath)) { |
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$this->io->write(sprintf(' Removing git hook %s', $githook->getFilename())); |
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unlink($newPath); |
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} |
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} |
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} |
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/** |
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* Returns the installation path of the Git hooks |
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* |
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* @return string |
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*/ |
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private function getGitHooksInstallPath() |
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{ |
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return $this->getGitRootPath() . '/hooks'; |
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} |
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/** |
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* Returns the git root path |
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* |
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* @return string |
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*/ |
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private function getGitRootPath() |
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{ |
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$config = $this->composer->getPackage()->getExtra(); |
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$relPath = array_key_exists(Config::GIT_ROOT_DIR_KEY, $config) ? ('/' . $config[Config::GIT_ROOT_DIR_KEY]) : ''; |
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return $this->vendorDir . $relPath . '/../.git'; |
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} |
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} |
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amansilla /
git-hooks-composer-installer
