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[Filesystem] Fix makePathRelative when the original path does not end with a slash #40051

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[Filesystem] Fix makePathRelative when the original path does not end with a slash #40051

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75c649a
Fix Filesystem::makePathRelative when end path does not end with a slash
the-csaba Feb 1, 2021
4a18f94
Replace str_ends_with with substr to maintain PHP 7 compatibility
the-csaba Feb 1, 2021
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5 changes: 3 additions & 2 deletions src/Symfony/Component/Filesystem/Filesystem.php
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Original file line number Diff line number Diff line change
Expand Up @@ -479,10 +479,11 @@ public function makePathRelative($endPath, $startPath)

$startPathArr = $splitPath($startPath);
$endPathArr = $splitPath($endPath);
$pathEnd = '/' === substr($endPath, -1) ? '/' : '';

if ($endDriveLetter && $startDriveLetter && $endDriveLetter != $startDriveLetter) {
// End path is on another drive, so no relative path exists
return $endDriveLetter.':/'.($endPathArr ? implode('/', $endPathArr).'/' : '');
return $endDriveLetter.':/'.($endPathArr ? implode('/', $endPathArr).$pathEnd : '');
}

// Find for which directory the common path stops
Expand All @@ -504,7 +505,7 @@ public function makePathRelative($endPath, $startPath)
$endPathRemainder = implode('/', \array_slice($endPathArr, $index));

// Construct $endPath from traversing to the common path, then to the remaining $endPath
$relativePath = $traverser.('' !== $endPathRemainder ? $endPathRemainder.'/' : '');
$relativePath = $traverser.('' !== $endPathRemainder ? $endPathRemainder.$pathEnd : '');

return '' === $relativePath ? './' : $relativePath;
}
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38 changes: 19 additions & 19 deletions src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
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Original file line number Diff line number Diff line change
Expand Up @@ -1114,32 +1114,32 @@ public function providePathsForMakePathRelative()
['/aa/bb/cc', '/aa/bb/cc/dd/', '../'],
['/aa/bb/cc/', '/aa/bb/cc/dd', '../'],
['/aa/bb/cc/', '/aa/bb/cc/dd/', '../'],
['/aa/bb/cc', '/aa', 'bb/cc/'],
['/aa/bb/cc', '/aa/', 'bb/cc/'],
['/aa/bb/cc', '/aa', 'bb/cc'],
['/aa/bb/cc', '/aa/', 'bb/cc'],
['/aa/bb/cc/', '/aa', 'bb/cc/'],
['/aa/bb/cc/', '/aa/', 'bb/cc/'],
['/a/aab/bb', '/a/aa', '../aab/bb/'],
['/a/aab/bb', '/a/aa/', '../aab/bb/'],
['/a/aab/bb', '/a/aa', '../aab/bb'],
['/a/aab/bb', '/a/aa/', '../aab/bb'],
['/a/aab/bb/', '/a/aa', '../aab/bb/'],
['/a/aab/bb/', '/a/aa/', '../aab/bb/'],
['/a/aab/bb/', '/', 'a/aab/bb/'],
['/a/aab/bb/', '/b/aab', '../../a/aab/bb/'],
['/aab/bb', '/aa', '../aab/bb/'],
['/aab', '/aa', '../aab/'],
['/aa/bb/cc', '/aa/dd/..', 'bb/cc/'],
['/aa/../bb/cc', '/aa/dd/..', '../bb/cc/'],
['/aa/bb/../../cc', '/aa/../dd/..', 'cc/'],
['/../aa/bb/cc', '/aa/dd/..', 'bb/cc/'],
['/../../aa/../bb/cc', '/aa/dd/..', '../bb/cc/'],
['C:/aa/bb/cc', 'C:/aa/dd/..', 'bb/cc/'],
['C:/aa/bb/cc', 'c:/aa/dd/..', 'bb/cc/'],
['c:/aa/../bb/cc', 'c:/aa/dd/..', '../bb/cc/'],
['C:/aa/bb/../../cc', 'C:/aa/../dd/..', 'cc/'],
['C:/../aa/bb/cc', 'C:/aa/dd/..', 'bb/cc/'],
['C:/../../aa/../bb/cc', 'C:/aa/dd/..', '../bb/cc/'],
['/aab/bb', '/aa', '../aab/bb'],
['/aab', '/aa', '../aab'],
['/aa/bb/cc', '/aa/dd/..', 'bb/cc'],
['/aa/../bb/cc', '/aa/dd/..', '../bb/cc'],
['/aa/bb/../../cc', '/aa/../dd/..', 'cc'],
['/../aa/bb/cc', '/aa/dd/..', 'bb/cc'],
['/../../aa/../bb/cc', '/aa/dd/..', '../bb/cc'],
['C:/aa/bb/cc', 'C:/aa/dd/..', 'bb/cc'],
['C:/aa/bb/cc', 'c:/aa/dd/..', 'bb/cc'],
['c:/aa/../bb/cc', 'c:/aa/dd/..', '../bb/cc'],
['C:/aa/bb/../../cc', 'C:/aa/../dd/..', 'cc'],
['C:/../aa/bb/cc', 'C:/aa/dd/..', 'bb/cc'],
['C:/../../aa/../bb/cc', 'C:/aa/dd/..', '../bb/cc'],
['D:/', 'C:/aa/../bb/cc', 'D:/'],
['D:/aa/bb', 'C:/aa', 'D:/aa/bb/'],
['D:/../../aa/../bb/cc', 'C:/aa/dd/..', 'D:/bb/cc/'],
['D:/aa/bb', 'C:/aa', 'D:/aa/bb'],
['D:/../../aa/../bb/cc', 'C:/aa/dd/..', 'D:/bb/cc'],
];

if ('\\' === \DIRECTORY_SEPARATOR) {
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