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<?php |
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namespace Bmitch\Envsync; |
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use Bmitch\Envsync\Collectors\FileCollector; |
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use Bmitch\Envsync\Finders\EnvironmentFinder; |
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use Bmitch\Envsync\Builders\TableBuilder; |
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class SyncerCommand |
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{ |
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/** |
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* Will be returned when program exits. |
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* @var integer |
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*/ |
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protected $exitCode = 0; |
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/** |
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* The mode the program is running in. |
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* @var string |
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*/ |
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protected $mode; |
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/** |
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* Instance of the FileCollector class. |
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* @var FileCollector |
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*/ |
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protected $fileCollector; |
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/** |
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* Instance of the EnvironmentFilder class. |
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* @var EnvironmentFinder |
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*/ |
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protected $envFinder; |
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/** |
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* Instance of the TableBuilder class. |
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* @var TableBuilder |
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*/ |
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protected $tableBuilder; |
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/** |
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* The source colde folder that will be inspected. |
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* @var string |
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*/ |
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protected $folder; |
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/** |
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* Holds an error message if command runs into an error. |
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* @var string |
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*/ |
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protected $error; |
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/** |
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* Creates a new instance of the SyncerCommand. |
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* @param FileCollector $fileCollector File Collector. |
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* @param EnvironmentFinder $envFinder Environment Variable Filder. |
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* @param TableBuilder $tableBuilder Table Builder. |
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*/ |
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public function __construct(FileCollector $fileCollector, EnvironmentFinder $envFinder, TableBuilder $tableBuilder) |
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{ |
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$this->fileCollector = $fileCollector; |
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$this->envFinder = $envFinder; |
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$this->tableBuilder = $tableBuilder; |
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} |
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/** |
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* Runs the command. |
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* @param array $arguments Command line arguments. |
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* @return void |
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*/ |
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public function handle(array $arguments) |
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{ |
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if (! $this->argumentsValid($arguments)) { |
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echo $this->error; |
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return; |
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} |
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print "\n\nEnvSyncer Report - https://github.com/bmitch/envsync\n"; |
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$envData = $this->getEnvironmentVariables(); |
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$results = $this->getResults($envData); |
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if ($this->mode == 'ci') { |
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$this->checkForCiBuild($results); |
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} |
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if ($this->mode == 'deploy') { |
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$this->checkForDeploy($results); |
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} |
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$this->tableBuilder->outputTable($results, $this->mode); |
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exit($this->exitCode); |
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} |
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/** |
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* Gets a list of the environment variables defined in the |
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* source code, .env and .env.example file. |
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* @return array |
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*/ |
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protected function getEnvironmentVariables() |
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{ |
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$files = $this->fileCollector |
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->get('.php') |
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->from($this->folder); |
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$env = []; |
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$env['source'] = $this->envFinder->getFromFiles($files); |
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$env['example'] = $this->envFinder->getFromFile('.env.example'); |
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$env['env'] = $this->envFinder->getFromFile('.env'); |
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$env['all'] = $this->mergeEnvs($env); |
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return $env; |
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} |
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/** |
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* Takes the list of environment variables defined and creates |
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* a results array showing each variable and where it is or is not |
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* defined. |
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* @param array $envData Environment Variable Data. |
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* @return array |
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*/ |
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protected function getResults(array $envData) |
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{ |
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$results = []; |
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foreach ($envData['all'] as $variable) { |
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$results[] = [ |
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'variable' => $variable, |
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'insource' => in_array($variable, $envData['source']) ? 'Yes' : 'No', |
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'inenvexample' => in_array($variable, $envData['example']) ? 'Yes' : 'No', |
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'inenv' => in_array($variable, $envData['env']) ? 'Yes' : 'No', |
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]; |
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} |
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return $results; |
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} |
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/** |
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* Looks through all the current env variables from all |
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* sources and makes a master list of all of them. |
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* @param array $currentEnvs Current Env Variables. |
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* @return array |
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*/ |
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protected function mergeEnvs(array $currentEnvs) |
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{ |
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$allEnvs = []; |
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$allEnvs = array_unique(array_merge($currentEnvs['env'], $currentEnvs['example'])); |
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$allEnvs = array_unique(array_merge($allEnvs, $currentEnvs['source'])); |
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return $allEnvs; |
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} |
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/** |
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* If a variable is defined in the source code but |
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* not defined in the .env.example file we write |
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* to the message and set response to 1 |
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* @param array $results Environment Variable Results. |
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* @return void |
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*/ |
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View Code Duplication |
protected function checkForCiBuild(array $results) |
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{ |
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foreach ($results as $row) { |
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if ($row['insource'] == 'Yes' && $row['inenvexample'] == 'No') { |
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$this->exitCode = 1; |
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} |
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} |
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} |
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/** |
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* If a variable is defined in the source code but |
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* not defined in the .env file we write |
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* to the message and set response to 1 |
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* @param array $results Environment Variable Results. |
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* @return void |
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*/ |
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View Code Duplication |
protected function checkForDeploy(array $results) |
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{ |
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foreach ($results as $row) { |
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if ($row['insource'] == 'Yes' && $row['inenv'] == 'No') { |
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$this->exitCode = 1; |
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} |
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} |
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} |
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/** |
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* Collects the command line arguments. |
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* @param array $arguments Command line arguments. |
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* @return boolean |
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*/ |
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protected function argumentsValid(array $arguments) |
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{ |
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// Default value |
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$this->folder = '.'; |
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if (isset($arguments[1])) { |
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$this->folder = $arguments[1]; |
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if (! file_exists($this->folder)) { |
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$this->error = "Error: Folder {$this->folder} does not exist."; |
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return false; |
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} |
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} |
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if (isset($arguments[2])) { |
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$this->mode = strtolower($arguments[2]); |
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if (!in_array($this->mode, ['ci', 'deploy', 'default'])) { |
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$this->error = "Error: Invalid argument {$this->mode}"; |
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return false; |
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} |
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return true; |
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} |
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$this->mode = 'default'; |
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return true; |
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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
$myVar
assignment in line 1 and the$higher
assignment in line 2 are dead. The first because$myVar
is never used and the second because$higher
is always overwritten for every possible time line.