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[Finder] Ignore paths from .gitignore #26714 #30448
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| <?php | ||
|
|
||
| /* | ||
| * This file is part of the Symfony package. | ||
| * | ||
| * (c) Fabien Potencier <fabien@symfony.com> | ||
| * | ||
| * For the full copyright and license information, please view the LICENSE | ||
| * file that was distributed with this source code. | ||
| */ | ||
|
|
||
| namespace Symfony\Component\Finder; | ||
|
|
||
| /** | ||
| * Gitignore matches against text. | ||
| * | ||
| * @author Ahmed Abdou <mail@ahmd.io> | ||
| */ | ||
| class Gitignore | ||
| { | ||
| /** | ||
| * Returns a regexp which is the equivalent of the gitignore pattern. | ||
| * | ||
| * @param string $gitignoreFileContent | ||
| * | ||
| * @return string The regexp | ||
| */ | ||
| public static function toRegex(string $gitignoreFileContent): string | ||
| { | ||
| $gitignoreFileContent = preg_replace('/^[^\\\\]*#.*/', '', $gitignoreFileContent); | ||
| $gitignoreLines = preg_split('/\r\n|\r|\n/', $gitignoreFileContent); | ||
| $gitignoreLines = array_map('trim', $gitignoreLines); | ||
| $gitignoreLines = array_filter($gitignoreLines); | ||
|
|
||
| $ignoreLinesPositive = array_filter($gitignoreLines, function (string $line) { | ||
| return !preg_match('/^!/', $line); | ||
| }); | ||
|
|
||
| $ignoreLinesNegative = array_filter($gitignoreLines, function (string $line) { | ||
| return preg_match('/^!/', $line); | ||
| }); | ||
|
|
||
| $ignoreLinesNegative = array_map(function (string $line) { | ||
| return preg_replace('/^!(.*)/', '${1}', $line); | ||
| }, $ignoreLinesNegative); | ||
| $ignoreLinesNegative = array_map([__CLASS__, 'getRegexFromGitignore'], $ignoreLinesNegative); | ||
|
|
||
| $ignoreLinesPositive = array_map([__CLASS__, 'getRegexFromGitignore'], $ignoreLinesPositive); | ||
| if (empty($ignoreLinesPositive)) { | ||
| return '/^$/'; | ||
| } | ||
|
|
||
| if (empty($ignoreLinesNegative)) { | ||
| return sprintf('/%s/', implode('|', $ignoreLinesPositive)); | ||
| } | ||
|
|
||
| return sprintf('/(?=^(?:(?!(%s)).)*$)(%s)/', implode('|', $ignoreLinesNegative), implode('|', $ignoreLinesPositive)); | ||
| } | ||
|
|
||
| private static function getRegexFromGitignore(string $gitignorePattern): string | ||
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|
||
| { | ||
| $regex = '('; | ||
| if (0 === strpos($gitignorePattern, '/')) { | ||
| $gitignorePattern = substr($gitignorePattern, 1); | ||
| $regex .= '^'; | ||
| } else { | ||
| $regex .= '(^|\/)'; | ||
| } | ||
|
|
||
| if ('/' === $gitignorePattern[\strlen($gitignorePattern) - 1]) { | ||
| $gitignorePattern = substr($gitignorePattern, 0, -1); | ||
| } | ||
|
|
||
| $iMax = \strlen($gitignorePattern); | ||
| for ($i = 0; $i < $iMax; ++$i) { | ||
| $doubleChars = substr($gitignorePattern, $i, 2); | ||
| if ('**' === $doubleChars) { | ||
| $regex .= '.+'; | ||
| ++$i; | ||
| continue; | ||
| } | ||
|
|
||
| $c = $gitignorePattern[$i]; | ||
| switch ($c) { | ||
| case '*': | ||
| $regex .= '[^\/]+'; | ||
| break; | ||
| case '/': | ||
| case '.': | ||
| case ':': | ||
| case '(': | ||
| case ')': | ||
| case '{': | ||
| case '}': | ||
| $regex .= '\\'.$c; | ||
| default: | ||
| $regex .= $c; | ||
| } | ||
| } | ||
|
|
||
| $regex .= '($|\/)'; | ||
| $regex .= ')'; | ||
|
|
||
| return $regex; | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| <?php | ||
| /* | ||
| * This file is part of the Symfony package. | ||
| * | ||
| * (c) Fabien Potencier <fabien@symfony.com> | ||
| * | ||
| * For the full copyright and license information, please view the LICENSE | ||
| * file that was distributed with this source code. | ||
| */ | ||
|
|
||
| namespace Symfony\Component\Finder\Tests; | ||
|
|
||
| use PHPUnit\Framework\TestCase; | ||
| use Symfony\Component\Finder\Gitignore; | ||
|
|
||
| class GitignoreTest extends TestCase | ||
| { | ||
| /** | ||
| * @dataProvider provider | ||
| * | ||
| * @param string $patterns | ||
| * @param array $matchingCases | ||
| * @param array $nonMatchingCases | ||
| */ | ||
| public function testCases(string $patterns, array $matchingCases, array $nonMatchingCases) | ||
| { | ||
| $regex = Gitignore::toRegex($patterns); | ||
|
|
||
| foreach ($matchingCases as $matchingCase) { | ||
| $this->assertRegExp($regex, $matchingCase, sprintf('Failed asserting path [%s] matches gitignore patterns [%s] using regex [%s]', $matchingCase, $patterns, $regex)); | ||
| } | ||
|
|
||
| foreach ($nonMatchingCases as $nonMatchingCase) { | ||
| $this->assertNotRegExp($regex, $nonMatchingCase, sprintf('Failed asserting path [%s] not matching gitignore patterns [%s] using regex [%s]', $nonMatchingCase, $patterns, $regex)); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * @return array return is array of | ||
| * [ | ||
| * [ | ||
| * '', // Git-ignore Pattern | ||
| * [], // array of file paths matching | ||
| * [], // array of file paths not matching | ||
| * ], | ||
| * ] | ||
| */ | ||
| public function provider() | ||
| { | ||
| return [ | ||
| [ | ||
| ' | ||
| * | ||
| !/bin/bash | ||
| ', | ||
| ['bin/cat', 'abc/bin/cat'], | ||
| ['bin/bash'], | ||
| ], | ||
| [ | ||
| 'fi#le.txt', | ||
| [], | ||
| ['#file.txt'], | ||
| ], | ||
| [ | ||
| ' | ||
| /bin/ | ||
| /usr/local/ | ||
| !/bin/bash | ||
| !/usr/local/bin/bash | ||
| ', | ||
| ['bin/cat'], | ||
| ['bin/bash'], | ||
| ], | ||
| [ | ||
| '*.py[co]', | ||
| ['file.pyc', 'file.pyc'], | ||
| ['filexpyc', 'file.pycx', 'file.py'], | ||
| ], | ||
| [ | ||
| 'dir1/**/dir2/', | ||
| ['dir1/dirA/dir2/', 'dir1/dirA/dirB/dir2/'], | ||
| [], | ||
| ], | ||
| [ | ||
| 'dir1/*/dir2/', | ||
| ['dir1/dirA/dir2/'], | ||
| ['dir1/dirA/dirB/dir2/'], | ||
| ], | ||
| [ | ||
| '/*.php', | ||
| ['file.php'], | ||
| ['app/file.php'], | ||
| ], | ||
| [ | ||
| '\#file.txt', | ||
| ['#file.txt'], | ||
| [], | ||
| ], | ||
| [ | ||
| '*.php', | ||
| ['app/file.php', 'file.php'], | ||
| ['file.phps', 'file.phps', 'filephps'], | ||
| ], | ||
| [ | ||
| 'app/cache/', | ||
| ['app/cache/file.txt', 'app/cache/dir1/dir2/file.txt', 'a/app/cache/file.txt'], | ||
| [], | ||
| ], | ||
| [ | ||
| ' | ||
| #IamComment | ||
| /app/cache/', | ||
| ['app/cache/file.txt', 'app/cache/subdir/ile.txt'], | ||
| ['a/app/cache/file.txt'], | ||
| ], | ||
| ]; | ||
| } | ||
| } |
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