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<?php |
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/* this file is part of pipelines */ |
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namespace Ktomk\Pipelines\Runner; |
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use InvalidArgumentException; |
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use Ktomk\Pipelines\LibFs; |
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/** |
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* Pipelines directories. |
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* |
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* Provides common directories (as path-names) for the pipelines project, |
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* making use of environment parameters like HOME and some from the |
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* XDG Base Directory Specification (XDGBDS). |
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* |
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* @link https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html |
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* @link https://wiki.debian.org/XDGBaseDirectorySpecification |
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* @link https://wiki.archlinux.org/index.php/XDG_Base_Directory |
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* |
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* @package Ktomk\Pipelines\Runner |
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*/ |
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class Directories |
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{ |
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/** |
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* @var array environment parameters |
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*/ |
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private $env; |
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/** |
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* @var string |
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*/ |
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private $projectDirectory; |
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/** |
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* @var string name of the utility to have directories for |
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*/ |
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private $utility; |
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/** |
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* @var array|string[] |
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*/ |
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private static $baseDirectory = array( |
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'XDG_DATA_HOME' => '$HOME/.local/share', |
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'XDG_CACHE_HOME' => '$HOME/.cache', |
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'XDG_CONFIG_HOME' => '$HOME/.config', |
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); |
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/** |
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* Directories ctor |
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* |
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* @param array|string[] $env |
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* @param string $projectDirectory project directory |
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* @param string $utility [optional] name, defaults to "pipelines" |
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* @see Directories::getBaseDirectory |
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* @throws \InvalidArgumentException |
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*/ |
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public function __construct(array $env, $projectDirectory, $utility = null) |
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{ |
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if (!isset($env['HOME']) || '' === $env['HOME']) { |
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throw new InvalidArgumentException('$HOME unset or empty'); |
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} |
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if (!basename($projectDirectory)) { |
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throw new InvalidArgumentException(sprintf('Invalid project directory: "%s"', $projectDirectory)); |
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} |
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null === $utility && $utility = 'pipelines'; |
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if (!LibFs::isPortableFilename($utility)) { |
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throw new InvalidArgumentException(sprintf('Not a portable utility name: "%s"', $utility)); |
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} |
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$this->env = $env; |
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$this->projectDirectory = $projectDirectory; |
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$this->utility = $utility; |
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} |
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/** |
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* basename of the project directory |
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* |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return basename($this->projectDirectory); |
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} |
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/** |
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* Get project directory. |
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* |
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* project is the base-folder (root-folder) of the project which |
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* is run by pipelines. |
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* |
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* @return string |
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*/ |
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public function getProjectDirectory() |
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{ |
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return $this->projectDirectory; |
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} |
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/** |
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* FIXME(tk) unused (only in tests!) - reason: yet undecided what / when |
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* to put the local deploy stuff in there. needs XDGBDS reading and |
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* some more considerations as more likely more data is needed to store |
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* in the file-system. But better use XDGDBS here. |
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* |
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* @return string |
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*/ |
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public function getPipelineLocalDeploy() |
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{ |
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return sprintf('%s/.%s/%s', $this->env['HOME'], $this->utility, $this->getName()); |
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} |
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/** |
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* Pipelines base directories |
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* |
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* In the style of the (here weakly referenced) XDG Base Directory specs. |
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* |
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* Examples: |
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* |
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* XDG_DATA_HOME is $HOME/.local/share if unset or empty |
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* XDG_CACHE_HOME is $HOME/.cache if unset or empty |
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* XDG_CONFIG_HOME is $HOME/.config if unset or empty |
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* |
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* @link https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html |
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* @link https://wiki.debian.org/XDGBaseDirectorySpecification |
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* @link https://wiki.archlinux.org/index.php/XDG_Base_Directory |
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* |
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* @param string $type name XDG_DATA_HOME / XDG_CACHE_HOME / XDG_CONFIG_HOME |
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* @param null|string $suffix |
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* @return string |
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*/ |
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public function getBaseDirectory($type, $suffix = null) |
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{ |
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$paths = self::$baseDirectory; |
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$this->validateBaseDirectory($type); |
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$buffer = null; |
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if (isset($this->env[$type])) { |
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$buffer = $this->env[$type]; |
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} else { |
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$home = $this->env['HOME']; |
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$buffer = substr_replace($paths[$type], $home, 0, strlen('$HOME')); |
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} |
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$buffer .= '/' . $this->utility; |
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null === $suffix || $buffer .= '/' . $suffix; |
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return $buffer; |
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} |
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/** |
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* @param string $xdgName |
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*/ |
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private function validateBaseDirectory($xdgName) |
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{ |
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$paths = self::$baseDirectory; |
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if (!isset($paths[$xdgName])) { |
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throw new \InvalidArgumentException(sprintf( |
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'Not a base directory: %s. Known base directories are: "%s"', |
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var_export($xdgName, true), |
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implode('", "', array_keys($paths)) |
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)); |
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} |
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} |
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} |
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ktomk /
pipelines
