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1 | <?php |
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2 | |||
3 | namespace Robo\Common; |
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4 | |||
5 | use Robo\Result; |
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6 | use Symfony\Component\Process\ExecutableFinder; |
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7 | use Symfony\Component\Process\Process; |
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8 | |||
9 | /** |
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10 | * This task is supposed to be executed as shell command. |
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11 | * You can specify working directory and if output is printed. |
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12 | */ |
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13 | trait ExecCommand |
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14 | { |
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15 | use ExecTrait; |
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16 | |||
17 | /** |
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18 | * @var \Robo\Common\TimeKeeper |
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19 | */ |
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20 | protected $execTimer; |
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21 | |||
22 | /** |
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23 | * @return \Robo\Common\TimeKeeper |
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24 | */ |
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25 | protected function getExecTimer() |
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26 | { |
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27 | if (!isset($this->execTimer)) { |
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28 | $this->execTimer = new TimeKeeper(); |
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29 | } |
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30 | return $this->execTimer; |
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31 | } |
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32 | |||
33 | /** |
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34 | * Look for a "{$cmd}.phar" in the current working |
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35 | * directory; return a string to exec it if it is |
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36 | * found. Otherwise, look for an executable command |
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37 | * of the same name via findExecutable. |
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38 | * |
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39 | * @param string $cmd |
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40 | * |
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41 | * @return bool|string |
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42 | */ |
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43 | protected function findExecutablePhar($cmd) |
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44 | { |
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45 | if (file_exists("{$cmd}.phar")) { |
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46 | return "php {$cmd}.phar"; |
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47 | } |
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48 | return $this->findExecutable($cmd); |
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49 | } |
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50 | |||
51 | /** |
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52 | * Return the best path to the executable program |
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53 | * with the provided name. Favor vendor/bin in the |
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54 | * current project. If not found there, use |
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55 | * whatever is on the $PATH. |
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56 | * |
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57 | * @param string $cmd |
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58 | * |
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59 | * @return bool|string |
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60 | */ |
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61 | protected function findExecutable($cmd) |
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62 | { |
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63 | $pathToCmd = $this->searchForExecutable($cmd); |
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64 | if ($pathToCmd) { |
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65 | return $this->useCallOnWindows($pathToCmd); |
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66 | } |
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67 | return false; |
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68 | } |
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69 | |||
70 | /** |
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71 | * @param string $cmd |
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72 | * |
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73 | * @return string |
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74 | */ |
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75 | private function searchForExecutable($cmd) |
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76 | { |
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77 | $projectBin = $this->findProjectBin(); |
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78 | |||
79 | $localComposerInstallation = $projectBin . DIRECTORY_SEPARATOR . $cmd; |
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80 | if (file_exists($localComposerInstallation)) { |
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81 | return $localComposerInstallation; |
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82 | } |
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83 | $finder = new ExecutableFinder(); |
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84 | return $finder->find($cmd, null, []); |
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85 | } |
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86 | |||
87 | /** |
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88 | * @return bool|string |
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89 | */ |
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90 | protected function findProjectBin() |
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91 | { |
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92 | $cwd = getcwd(); |
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93 | $candidates = [ __DIR__ . '/../../vendor/bin', __DIR__ . '/../../bin', $cwd . '/vendor/bin' ]; |
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94 | |||
95 | // If this project is inside a vendor directory, give highest priority |
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96 | // to that directory. |
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97 | $vendorDirContainingUs = realpath(__DIR__ . '/../../../..'); |
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98 | if (is_dir($vendorDirContainingUs) && (basename($vendorDirContainingUs) == 'vendor')) { |
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99 | array_unshift($candidates, $vendorDirContainingUs . '/bin'); |
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100 | } |
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101 | |||
102 | foreach ($candidates as $dir) { |
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103 | if (is_dir("$dir")) { |
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104 | return realpath($dir); |
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105 | } |
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106 | } |
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107 | return false; |
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108 | } |
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109 | |||
110 | /** |
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111 | * Wrap Windows executables in 'call' per 7a88757d |
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112 | * |
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113 | * @param string $cmd |
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114 | * |
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115 | * @return string |
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116 | */ |
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117 | protected function useCallOnWindows($cmd) |
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118 | { |
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119 | if (defined('PHP_WINDOWS_VERSION_BUILD')) { |
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120 | if (file_exists("{$cmd}.bat")) { |
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121 | $cmd = "{$cmd}.bat"; |
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122 | } |
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123 | return "call $cmd"; |
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124 | } |
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125 | return $cmd; |
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126 | } |
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127 | |||
128 | /** |
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129 | * {@inheritdoc} |
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130 | */ |
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131 | protected function getCommandDescription() |
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132 | { |
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133 | return $this->process->getCommandLine(); |
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134 | } |
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135 | |||
136 | /** |
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137 | * @param string $command |
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138 | * |
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139 | * @return \Robo\Result |
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140 | */ |
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141 | protected function executeCommand($command) |
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142 | { |
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143 | // TODO: Symfony 4 requires that we supply the working directory. |
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144 | $result_data = $this->execute(Process::fromShellCommandline($command, getcwd())); |
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145 | return new Result( |
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146 | $this, |
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147 | $result_data->getExitCode(), |
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148 | $result_data->getMessage(), |
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149 | $result_data->getData() |
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150 | ); |
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151 | } |
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152 | } |
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153 |
In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: