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<?php
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/**
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * This software consists of voluntary contributions made by many individuals
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 * and is licensed under the LGPL. For more information please see
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 * <http://phing.info>.
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 */
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/**
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 * This is a FileSet with the to specify permissions.
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 *
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 * Permissions are currently not implemented by PEAR Archive_Tar,
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 * but hopefully they will be in the future.
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 *
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 * @package phing.tasks.ext
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 */
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class ZipFileSet extends FileSet
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{
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    private $files = null;
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    /**
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     *  Get a list of files and directories specified in the fileset.
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     *
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     * @param bool $includeEmpty
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     * @param array ...$options
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     *
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     * @return array a list of file and directory names, relative to
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     *               the baseDir for the project.
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     *
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     * @throws Exception
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     */
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    protected function getFiles($includeEmpty = true, ...$options)
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    {
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        if ($this->files === null) {
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            $ds = $this->getDirectoryScanner($this->getProject());
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            $this->files = $ds->getIncludedFiles();
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            // build a list of directories implicitly added by any of the files
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            $implicitDirs = [];
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            foreach ($this->files as $file) {
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                $implicitDirs[] = dirname($file);
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            }
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            $incDirs = $ds->getIncludedDirectories();
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            // we'll need to add to that list of implicit dirs any directories
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            // that contain other *directories* (and not files), since otherwise
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            // we get duplicate directories in the resulting tar
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            foreach ($incDirs as $dir) {
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                foreach ($incDirs as $dircheck) {
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                    if (!empty($dir) && $dir == dirname($dircheck)) {
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                        $implicitDirs[] = $dir;
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                    }
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                }
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            }
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            $implicitDirs = array_unique($implicitDirs);
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            $emptyDirectories = [];
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            if ($includeEmpty) {
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                // Now add any empty dirs (dirs not covered by the implicit dirs)
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                // to the files array.
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                foreach ($incDirs as $dir) { // we cannot simply use array_diff() since we want to disregard empty/. dirs
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                    if ($dir != "" && $dir !== "." && !in_array($dir, $implicitDirs)) {
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                        // it's an empty dir, so we'll add it.
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                        $emptyDirectories[] = $dir;
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                    }
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                }
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            } // if $includeEmpty
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            $this->files = array_merge($implicitDirs, $emptyDirectories, $this->files);
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            sort($this->files);
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        } // if ($this->files===null)
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        return $this->files;
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    }
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}

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