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<?php |
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/** |
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* A PHP wrapper around the Git command line utility. |
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*/ |
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namespace GitWrapper; |
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/** |
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* Class that parses and returnes an array of branches. |
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*/ |
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class GitBranches implements \IteratorAggregate |
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{ |
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/** |
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* The working copy that branches are being collected from. |
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* |
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* @var \GitWrapper\GitWorkingCopy |
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*/ |
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protected $git; |
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/** |
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* Constructs a GitBranches object. |
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* |
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* @param \GitWrapper\GitWorkingCopy $git |
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* The working copy that branches are being collected from. |
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* |
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* @throws \GitWrapper\GitException |
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*/ |
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public function __construct(GitWorkingCopy $git) |
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{ |
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$this->git = clone $git; |
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$output = (string) $git->branch(array('a' => true)); |
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} |
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/** |
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* Fetches the branches via the `git branch` command. |
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* |
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* @param boolean $onlyRemote |
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* Whether to fetch only remote branches, defaults to false which returns |
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* all branches. |
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* |
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* @return array |
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*/ |
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public function fetchBranches($onlyRemote = false) |
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{ |
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$this->git->clearOutput(); |
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$options = ($onlyRemote) ? array('r' => true) : array('a' => true); |
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$output = (string) $this->git->branch($options); |
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$branches = preg_split("/\r\n|\n|\r/", rtrim($output)); |
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return array_map(array($this, 'trimBranch'), $branches); |
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} |
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/** |
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* Strips unwanted characters from the branch. |
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* |
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* @param string $branch |
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* The raw branch returned in the output of the Git command. |
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* |
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* @return string |
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* The processed branch name. |
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*/ |
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public function trimBranch($branch) |
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{ |
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return ltrim($branch, ' *'); |
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} |
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/** |
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* Implements \IteratorAggregate::getIterator(). |
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*/ |
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public function getIterator() |
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{ |
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$branches = $this->all(); |
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return new \ArrayIterator($branches); |
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} |
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/** |
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* Returns all branches. |
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* |
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* @return array |
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*/ |
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public function all() |
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{ |
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return $this->fetchBranches(); |
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} |
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/** |
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* Returns only remote branches. |
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* |
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* @return array |
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*/ |
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public function remote() |
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{ |
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return $this->fetchBranches(true); |
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} |
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/** |
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* Returns currently active branch (HEAD) of the working copy. |
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* |
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* @return string |
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*/ |
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public function head() |
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{ |
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return trim((string) $this->git->run(array('rev-parse --abbrev-ref HEAD'))); |
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} |
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} |
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This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.