MaxSem has uploaded a new change for review. ( 
https://gerrit.wikimedia.org/r/391156 )

Change subject: Convert RandomImageGenerator to use the new execution framework
......................................................................

Convert RandomImageGenerator to use the new execution framework

Introduces a stringifier for Command, useful for debugging.

Change-Id: Ifcfccaef5a609e0cf30186e39a6bd0fa971c2dbd
---
M includes/shell/Command.php
M tests/phpunit/includes/api/RandomImageGenerator.php
2 files changed, 33 insertions(+), 17 deletions(-)


  git pull ssh://gerrit.wikimedia.org:29418/mediawiki/core 
refs/changes/56/391156/1

diff --git a/includes/shell/Command.php b/includes/shell/Command.php
index 9f080d5..9090c97 100644
--- a/includes/shell/Command.php
+++ b/includes/shell/Command.php
@@ -450,4 +450,15 @@
 
                return new Result( $retval, $outBuffer, $errBuffer );
        }
+
+       /**
+        * Returns the final command line before environment/limiting, etc are 
applied.
+        * Use string conversion only for debugging, don't try to pass this to
+        * some other execution medium.
+        *
+        * @return string
+        */
+       public function __toString() {
+               return $this->command;
+       }
 }
diff --git a/tests/phpunit/includes/api/RandomImageGenerator.php 
b/tests/phpunit/includes/api/RandomImageGenerator.php
index 50a59f9..dd68647 100644
--- a/tests/phpunit/includes/api/RandomImageGenerator.php
+++ b/tests/phpunit/includes/api/RandomImageGenerator.php
@@ -23,6 +23,8 @@
  * @author Neil Kandalgaonkar <[email protected]>
  */
 
+use MediaWiki\Shell\Shell;
+
 /**
  * RandomImageGenerator: does what it says on the tin.
  * Can fetch a random image, or also write a number of them to disk with 
random filenames.
@@ -310,16 +312,16 @@
                // for now (only works if you have exiv2 installed, a program 
to read
                // and manipulate exif).
                if ( $wgExiv2Command ) {
-                       $cmd = wfEscapeShellArg( $wgExiv2Command )
-                               . " -M "
-                               . wfEscapeShellArg( "set Exif.Image.Orientation 
" . $orientation['exifCode'] )
-                               . " "
-                               . wfEscapeShellArg( $filename );
+                       $command = Shell::command( $wgExiv2Command,
+                               '-M',
+                               "set Exif.Image.Orientation 
{$orientation['exifCode']}",
+                               $filename
+                       )->includeStderr();
 
-                       $retval = 0;
-                       $err = wfShellExec( $cmd, $retval );
+                       $result = $command->execute();
+                       $retval = $result->getExitCode();
                        if ( $retval !== 0 ) {
-                               print "Error with $cmd: $retval, $err\n";
+                               print "Error with $command: $retval, 
{$result->getStdout()}\n";
                        }
                }
        }
@@ -396,22 +398,25 @@
         */
        public function writeImageWithCommandLine( $spec, $format, $filename ) {
                global $wgImageMagickConvertCommand;
-               $args = [];
-               $args[] = "-size " . wfEscapeShellArg( $spec['width'] . 'x' . 
$spec['height'] );
-               $args[] = wfEscapeShellArg( "xc:" . $spec['fill'] );
+
+               $args = [
+                       $wgImageMagickConvertCommand,
+                       '-size',
+                       $spec['width'] . 'x' . $spec['height'],
+                       "xc:{$spec['fill']}",
+               ];
                foreach ( $spec['draws'] as $draw ) {
                        $fill = $draw['fill'];
                        $polygon = self::shapePointsToString( $draw['shape'] );
                        $drawCommand = "fill $fill  polygon $polygon";
-                       $args[] = '-draw ' . wfEscapeShellArg( $drawCommand );
+                       $args[] = '-draw';
+                       $args[] = $drawCommand;
                }
-               $args[] = wfEscapeShellArg( $filename );
+               $args[] = $filename;
 
-               $command = wfEscapeShellArg( $wgImageMagickConvertCommand ) . " 
" . implode( " ", $args );
-               $retval = null;
-               wfShellExec( $command, $retval );
+               $result = Shell::command( $args )->execute();
 
-               return ( $retval === 0 );
+               return ( $result->getExitCode() === 0 );
        }
 
        /**

-- 
To view, visit https://gerrit.wikimedia.org/r/391156
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings

Gerrit-MessageType: newchange
Gerrit-Change-Id: Ifcfccaef5a609e0cf30186e39a6bd0fa971c2dbd
Gerrit-PatchSet: 1
Gerrit-Project: mediawiki/core
Gerrit-Branch: master
Gerrit-Owner: MaxSem <[email protected]>

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