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<?php
/** Default Implementation of IGit Interface
*
* @author Jan Pecha, <janpecha@email.cz>
*/
namespace Cz\Git;
use Cz\Git\GitException;
class Git implements IGit
{
/**
* Creates a tag.
* @param string
* @throws Cz\Git\GitException
* @return Cz\Git\Git
*/
public function tag($name)
{
$this->run('git tag', $name);
return $this;
}
/**
* Merges branches.
* @param string
* @param array|NULL
* @throws Cz\Git\GitException
* @return Cz\Git\Git
*/
public function merge($branch, $options = NULL)
{
$this->run('git merge', $options, $branch);
return $this;
}
/**
* Creates new branch.
* @param string
* @param bool
* @throws Cz\Git\GitException
* @return Cz\Git\Git
*/
public function branchCreate($name, $checkout = FALSE)
{
// git branch $name
$this->run('git branch', $name);
if($checkout)
{
$this->checkout($name);
}
return $this;
}
/**
* Removes branch.
* @param string
* @throws Cz\Git\GitException
* @return Cz\Git\Git
*/
public function branchRemove($name)
{
$this->run('git branch', array(
'-d' => $name,
));
return $this;
}
/**
* Gets name of current branch
* @return string
* @throws Cz\Git\GitException
*/
public function branchName()
{
$output = array();
$exitCode = NULL;
exec('git branch', $output, $exitCode);
if($exitCode === 0 && is_array($output))
{
foreach($output as $line)
{
if($line[0] === '*')
{
return trim(substr($line, 1));
}
}
}
throw new GitException('Getting current branch name failed.');
}
/**
* Checkout branch.
* @param string
* @throws Cz\Git\GitException
* @return Cz\Git\Git
*/
public function checkout($name)
{
$this->run('git checkout', $name);
return $this;
}
/**
* Removes file(s).
* @param string|string[]
* @throws Cz\Git\GitException
* @return Cz\Git\Git
*/
public function remove($file)
{
if(!is_array($file))
{
$file = func_get_args();
}
foreach($file as $item)
{
$this->run('git rm', $item, '-r');
}
return $this;
}
/**
* Adds file(s).
* @param string|string[]
* @throws Cz\Git\GitException
* @return Cz\Git\Git
*/
public function add($file)
{
if(!is_array($file))
{
$file = func_get_args();
}
foreach($file as $item)
{
$this->run('git add', $item);
}
return $this;
}
/**
* Renames file(s).
* @param string|string[] from: array('from' => 'to', ...) || (from, to)
* @param string|NULL
* @throws Cz\Git\GitException
* @return Cz\Git\Git
*/
public function rename($file, $to = NULL)
{
if(!is_array($file)) // rename(file, to);
{
$from[$file] = $to;
$file = $from;
unset($from);
}
foreach($file as $from => $to)
{
$this->run('git mv', $from, $to);
}
return $this;
}
/**
* Commits changes
* @param string
* @param string[] param => value
* @throws Cz\Git\GitException
* @return Cz\Git\Git
*/
public function commit($message, $params = NULL)
{
if(!is_array($params))
{
$params = array();
}
$this->run("git commit", $params, array(
'-m' => $message,
));
return $this;
}
/**
* Exists changes?
* @return bool
*/
public function isChanges()
{
$lastLine = exec('git status');
return (strpos($lastLine, 'nothing to commit')) === FALSE; // FALSE => changes
}
/** Runs command.
* @param string|array
* @return void
* @throws Cz\Git\GitException
*/
protected function run($cmd/*, $options = NULL*/)
{
$args = func_get_args();
$cmd = array();
$programName = array_shift($args);
foreach($args as $arg)
{
if(is_array($arg))
{
foreach($arg as $key => $value)
{
$_c = '';
if(is_string($key))
{
$_c = "$key ";
}
$cmd[] = $_c . escapeshellarg($value);
}
}
elseif(is_scalar($arg) && !is_bool($arg))
{
$cmd[] = escapeshellarg($arg);
}
}
$cmd = "$programName " . implode(' ', $cmd);
$success = system($cmd, $ret);
if($success === FALSE || $ret !== 0)
{
throw new GitException("Command '$cmd' failed.");
}
}
}