Tar::createCommandLine() - Code Metrics - Inspection of "Add '--force-local' option to tar - issue #101" - sebastianfeldmann/phpbu - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 696e0c...9b2b5f )

by Sebastian

created 2017-07-05 09:34 UTC

Tar::createCommandLine() B

↳ Parent: Tar

Complexity

Conditions	2
Paths	1

Size

Total Lines	24
Code Lines	15

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	15
CRAP Score	2

Importance

Changes

Metric	Value
dl	0
loc	24
ccs	15
cts	15
cp	1
rs	8.9713
c	0
b	0
f	0
cc	2
eloc	15
nc	1
nop	0
crap	2

<?php
namespace phpbu\App\Cli\Executable;

use phpbu\App\Cli\Executable;
use phpbu\App\Exception;
use SebastianFeldmann\Cli\CommandLine;
use SebastianFeldmann\Cli\Command\Executable as Cmd;

/**
 * Tar Executable class.
 *
 * @package    phpbu
 * @subpackage Backup
 * @author     Sebastian Feldmann <[email protected]>
 * @copyright  Sebastian Feldmann <[email protected]>
 * @license    https://opensource.org/licenses/MIT The MIT License (MIT)
 * @link       http://phpbu.de/
 * @since      Class available since Release 1.0.0
 */
class Tar extends Abstraction implements Executable
{
    /**
     * Path to compress
     *
     * @var string
     */
    private $path;

    /**
     * Compression to use
     *
     * @var string
     */
    private $compression;

    /**
     * Compress program to use.
     * --use-compress-program
     *
     * @var string
     */
    private $compressProgram;

    /**
     * Path to dump file
     *
     * @var string
     */
    private $tarPathname;

    /**
     * List of excluded path.
     * --exclude='foo'
     *
     * @var array
     */
    private $excludes = [];

    /**
     * Force local file resolution
     * --force-local
     *
     * @var bool
     */
    private $local = false;

    /**
     * Ignore failed reads
     * --ignore-failed-read
     *
     * @var bool
     */
    private $ignoreFailedRead;

    /**
     * Should the source directory be removed.
     *
     * @var boolean
     */
    private $removeSourceDir = false;

    /**
     * List of available compressors
     *
     * @var array
     */
    private static $availableCompressions = [
        'bzip2' => 'j',
        'gzip'  => 'z',
        'xz'    => 'J'
    ];

    /**
     * Constructor.
     *
     * @param string $path
     */
    public function __construct(string $path = '')
    {
        $this->setup('tar', $path);
    }

    /**
     * Return 'tar' compressor option e.g. 'j' for bzip2.
     *
     * @param  string $compressor
     * @return string
     */
    protected function getCompressionOption(string $compressor) : string
    {
        return $this->isCompressionValid($compressor) ? self::$availableCompressions[$compressor] : '';
    }

    /**
     * Compress tar.
     *
     * @param  string $compression
     * @return \phpbu\App\Cli\Executable\Tar
     */
    public function useCompression(string $compression) : Tar
    {
        if ($this->isCompressionValid($compression)) {
            $this->compression = $this->getCompressionOption($compression);
        }
        return $this;
    }

    /**
     * Set compress program.
     *
     * @param  string $program
     * @return \phpbu\App\Cli\Executable\Tar
     */
    public function useCompressProgram(string $program) : Tar
    {
        $this->compressProgram = $program;
        return $this;
    }

    /**
     * Add an path to exclude.
     *
     * @param  string $path
     * @return \phpbu\App\Cli\Executable\Tar
     */
    public function addExclude(string $path) : Tar
    {
        $this->excludes[] = $path;
        return $this;
    }

    /**
     * Force local file resolution.
     *
     * @param  bool $bool
     * @return \phpbu\App\Cli\Executable\Tar
     */
    public function forceLocal(bool $bool)
    {
        $this->local = $bool;
        return $this;
    }

    /**
     * Ignore failed reads setter.
     *
     * @param  bool $bool
     * @return \phpbu\App\Cli\Executable\Tar
     */
    public function ignoreFailedRead(bool $bool) : Tar
    {
        $this->ignoreFailedRead = $bool;
        return $this;
    }

    /**
     * Does the tar handle the compression.
     *
     * @return bool
     */
    public function handlesCompression() : bool
    {
        return !empty($this->compression);
    }

    /**
     * Set folder to compress.
     *
     * @param  string $path
     * @return \phpbu\App\Cli\Executable\Tar
     * @throws \phpbu\App\Exception
     */
    public function archiveDirectory(string $path) : Tar
    {
        $this->validateDirectory($path);
        $this->path = $path;
        return $this;
    }

    /**
     * Set target filename.
     *
     * @param  string $path
     * @return \phpbu\App\Cli\Executable\Tar
     */
    public function archiveTo(string $path) : Tar
    {
        $this->tarPathname = $path;
        return $this;
    }

    /**
     * Delete the source directory.
     *
     * @param  boolean $bool
     * @return \phpbu\App\Cli\Executable\Tar
     */
    public function removeSourceDirectory(bool $bool) : Tar
    {
        $this->removeSourceDir = $bool;
        return $this;
    }

    /**
     * Tar CommandLine generator.
     *
     * @return \SebastianFeldmann\Cli\CommandLine
     */
    protected function createCommandLine() : CommandLine
    {
        $this->validateSetup();

        $process = new CommandLine();
        $tar     = new Cmd($this->binary);

        $this->setExcludeOptions($tar);

        $tar->addOptionIfNotEmpty('--force-local', $this->local, false);
        $tar->addOptionIfNotEmpty('--ignore-failed-read', $this->ignoreFailedRead, false);
        $tar->addOptionIfNotEmpty('--use-compress-program', $this->compressProgram);
        $tar->addOption('-' . (empty($this->compressProgram) ? $this->compression : '') . 'cf');
        $tar->addArgument($this->tarPathname);
        $tar->addOption('-C', dirname($this->path), ' ');
        $tar->addArgument(basename($this->path));

        $process->addCommand($tar);

        // delete the source data if requested
        $this->addRemoveCommand($process);

        return $process;
    }

    /**
     * Adds necessary exclude options to tat command.
     *
     * @param \SebastianFeldmann\Cli\Command\Executable $tar
     */
    protected function setExcludeOptions(Cmd $tar)
    {
        foreach ($this->excludes as $path) {
            $tar->addOption('--exclude', $path);
        }
    }

    /**
     * Add a remove command if requested.
     *
     * @param \SebastianFeldmann\Cli\CommandLine $process
     */
    protected function addRemoveCommand(CommandLine $process)
    {
        if ($this->removeSourceDir) {
            $process->addCommand($this->getRmCommand());
        }
    }

    /**
     * Return 'rm' command.
     *
     * @return \SebastianFeldmann\Cli\Command\Executable
     */
    protected function getRmCommand() : Cmd
    {
        $rm = new Cmd('rm');
        $rm->addOption('-rf', $this->path, ' ');
        return $rm;
    }

    /**
     * Check directory to compress.
     *
     * @param  string $path
     * @throws \phpbu\App\Exception
     */
    private function validateDirectory(string $path)
    {
        if ($path === '.') {
            throw new Exception('unable to tar current working directory');
        }
    }

    /**
     * Check if source and target values are set.
     *
     * @throws \phpbu\App\Exception
     */
    private function validateSetup()
    {
        if (empty($this->path)) {
            throw new Exception('no directory to compress');
        }
        if (empty($this->tarPathname)) {
            throw new Exception('no target filename set');
        }
    }

    /**
     * Return true if a given compression is valid false otherwise.
     *
     * @param  string $compression
     * @return bool
     */
    public static function isCompressionValid(string  $compression) : bool
    {
        return isset(self::$availableCompressions[$compression]);
    }
}


1		<?php
2		namespace phpbu\App\Cli\Executable;
3
4		use phpbu\App\Cli\Executable;
5		use phpbu\App\Exception;
6		use SebastianFeldmann\Cli\CommandLine;
7		use SebastianFeldmann\Cli\Command\Executable as Cmd;
8
9		/**
10		* Tar Executable class.
11		*
12		* @package phpbu
13		* @subpackage Backup
14		* @author Sebastian Feldmann <[email protected]>
15		* @copyright Sebastian Feldmann <[email protected]>
16		* @license https://opensource.org/licenses/MIT The MIT License (MIT)
17		* @link http://phpbu.de/
18		* @since Class available since Release 1.0.0
19		*/
20		class Tar extends Abstraction implements Executable
21		{
22		/**
23		* Path to compress
24		*
25		* @var string
26		*/
27		private $path;
28
29		/**
30		* Compression to use
31		*
32		* @var string
33		*/
34		private $compression;
35
36		/**
37		* Compress program to use.
38		* --use-compress-program
39		*
40		* @var string
41		*/
42		private $compressProgram;
43
44		/**
45		* Path to dump file
46		*
47		* @var string
48		*/
49		private $tarPathname;
50
51		/**
52		* List of excluded path.
53		* --exclude='foo'
54		*
55		* @var array
56		*/
57		private $excludes = [];
58
59		/**
60		* Force local file resolution
61		* --force-local
62		*
63		* @var bool
64		*/
65		private $local = false;
66
67		/**
68		* Ignore failed reads
69		* --ignore-failed-read
70		*
71		* @var bool
72		*/
73		private $ignoreFailedRead;
74
75		/**
76		* Should the source directory be removed.
77		*
78		* @var boolean
79		*/
80		private $removeSourceDir = false;
81
82		/**
83		* List of available compressors
84		*
85		* @var array
86		*/
87		private static $availableCompressions = [
88		'bzip2' => 'j',
89		'gzip' => 'z',
90		'xz' => 'J'
91		];
92
93		/**
94		* Constructor.
95		*
96		* @param string $path
97		*/
98	28	public function __construct(string $path = '')
99		{
100	28	$this->setup('tar', $path);
101	28	}
102
103		/**
104		* Return 'tar' compressor option e.g. 'j' for bzip2.
105		*
106		* @param string $compressor
107		* @return string
108		*/
109	8	protected function getCompressionOption(string $compressor) : string
110		{
111	8	return $this->isCompressionValid($compressor) ? self::$availableCompressions[$compressor] : '';
112		}
113
114		/**
115		* Compress tar.
116		*
117		* @param string $compression
118		* @return \phpbu\App\Cli\Executable\Tar
119		*/
120	18	public function useCompression(string $compression) : Tar
121		{
122	18	if ($this->isCompressionValid($compression)) {
123	8	$this->compression = $this->getCompressionOption($compression);
124		}
125	18	return $this;
126		}
127
128		/**
129		* Set compress program.
130		*
131		* @param string $program
132		* @return \phpbu\App\Cli\Executable\Tar
133		*/
134	13	public function useCompressProgram(string $program) : Tar
135		{
136	13	$this->compressProgram = $program;
137	13	return $this;
138		}
139
140		/**
141		* Add an path to exclude.
142		*
143		* @param string $path
144		* @return \phpbu\App\Cli\Executable\Tar
145		*/
146	2	public function addExclude(string $path) : Tar
147		{
148	2	$this->excludes[] = $path;
149	2	return $this;
150		}
151
152		/**
153		* Force local file resolution.
154		*
155		* @param bool $bool
156		* @return \phpbu\App\Cli\Executable\Tar
157		*/
158	13	public function forceLocal(bool $bool)
159		{
160	13	$this->local = $bool;
161	13	return $this;
162		}
163
164		/**
165		* Ignore failed reads setter.
166		*
167		* @param bool $bool
168		* @return \phpbu\App\Cli\Executable\Tar
169		*/
170	13	public function ignoreFailedRead(bool $bool) : Tar
171		{
172	13	$this->ignoreFailedRead = $bool;
173	13	return $this;
174		}
175
176		/**
177		* Does the tar handle the compression.
178		*
179		* @return bool
180		*/
181	3	public function handlesCompression() : bool
182		{
183	3	return !empty($this->compression);
184		}
185
186		/**
187		* Set folder to compress.
188		*
189		* @param string $path
190		* @return \phpbu\App\Cli\Executable\Tar
191		* @throws \phpbu\App\Exception
192		*/
193	26	public function archiveDirectory(string $path) : Tar
194		{
195	26	$this->validateDirectory($path);
196	25	$this->path = $path;
197	25	return $this;
198		}
199
200		/**
201		* Set target filename.
202		*
203		* @param string $path
204		* @return \phpbu\App\Cli\Executable\Tar
205		*/
206	24	public function archiveTo(string $path) : Tar
207		{
208	24	$this->tarPathname = $path;
209	24	return $this;
210		}
211
212		/**
213		* Delete the source directory.
214		*
215		* @param boolean $bool
216		* @return \phpbu\App\Cli\Executable\Tar
217		*/
218	16	public function removeSourceDirectory(bool $bool) : Tar
219		{
220	16	$this->removeSourceDir = $bool;
221	16	return $this;
222		}
223
224		/**
225		* Tar CommandLine generator.
226		*
227		* @return \SebastianFeldmann\Cli\CommandLine
228		*/
229	26	protected function createCommandLine() : CommandLine
230		{
231	26	$this->validateSetup();
232
233	24	$process = new CommandLine();
234	24	$tar = new Cmd($this->binary);
235
236	24	$this->setExcludeOptions($tar);
237
238	24	$tar->addOptionIfNotEmpty('--force-local', $this->local, false);
239	24	$tar->addOptionIfNotEmpty('--ignore-failed-read', $this->ignoreFailedRead, false);
240	24	$tar->addOptionIfNotEmpty('--use-compress-program', $this->compressProgram);
241	24	$tar->addOption('-' . (empty($this->compressProgram) ? $this->compression : '') . 'cf');
242	24	$tar->addArgument($this->tarPathname);
243	24	$tar->addOption('-C', dirname($this->path), ' ');
244	24	$tar->addArgument(basename($this->path));
245
246	24	$process->addCommand($tar);
247
248		// delete the source data if requested
249	24	$this->addRemoveCommand($process);
250
251	24	return $process;
252		}
253
254		/**
255		* Adds necessary exclude options to tat command.
256		*
257		* @param \SebastianFeldmann\Cli\Command\Executable $tar
258		*/
259	24	protected function setExcludeOptions(Cmd $tar)
260		{
261	24	foreach ($this->excludes as $path) {
262	2	$tar->addOption('--exclude', $path);
263		}
264	24	}
265
266		/**
267		* Add a remove command if requested.
268		*
269		* @param \SebastianFeldmann\Cli\CommandLine $process
270		*/
271	24	protected function addRemoveCommand(CommandLine $process)
272		{
273	24	if ($this->removeSourceDir) {
274	5	$process->addCommand($this->getRmCommand());
275		}
276	24	}
277
278		/**
279		* Return 'rm' command.
280		*
281		* @return \SebastianFeldmann\Cli\Command\Executable
282		*/
283	5	protected function getRmCommand() : Cmd
284		{
285	5	$rm = new Cmd('rm');
286	5	$rm->addOption('-rf', $this->path, ' ');
287	5	return $rm;
288		}
289
290		/**
291		* Check directory to compress.
292		*
293		* @param string $path
294		* @throws \phpbu\App\Exception
295		*/
296	26	private function validateDirectory(string $path)
297		{
298	26	if ($path === '.') {
299	1	throw new Exception('unable to tar current working directory');
300		}
301	25	}
302
303		/**
304		* Check if source and target values are set.
305		*
306		* @throws \phpbu\App\Exception
307		*/
308	26	private function validateSetup()
309		{
310	26	if (empty($this->path)) {
311	1	throw new Exception('no directory to compress');
312		}
313	25	if (empty($this->tarPathname)) {
314	1	throw new Exception('no target filename set');
315		}
316	24	}
317
318		/**
319		* Return true if a given compression is valid false otherwise.
320		*
321		* @param string $compression
322		* @return bool
323		*/
324	20	public static function isCompressionValid(string $compression) : bool
325		{
326	20	return isset(self::$availableCompressions[$compression]);
327		}
328		}
329

sebastianfeldmann / phpbu

Push — master ( 696e0c...9b2b5f )

Tar::createCommandLine() B

Complexity

Size

Duplication

Code Coverage

Importance

Duplication Side-by-Side

Filter issues like