Tim Starling has uploaded a new change for review.

  https://gerrit.wikimedia.org/r/197245

Change subject: Fix exit code from rebuildLocalisationCache.php
......................................................................

Fix exit code from rebuildLocalisationCache.php

When --threads was used, the exit code was unconditionally 0, even if a
child thread threw an exception, because the exit code was "abused" for
the count of rebuilt languages. So, don't do that. We don't really need
a count of rebuilt languages that badly, just pass through the exit
status of the child.

Bug: T92900
Change-Id: I77922e686fe7da4fc25bb7f579ed70e1b107eaca
---
M maintenance/rebuildLocalisationCache.php
1 file changed, 15 insertions(+), 8 deletions(-)


  git pull ssh://gerrit.wikimedia.org:29418/mediawiki/core 
refs/changes/45/197245/1

diff --git a/maintenance/rebuildLocalisationCache.php 
b/maintenance/rebuildLocalisationCache.php
index b04639c..47866dc 100644
--- a/maintenance/rebuildLocalisationCache.php
+++ b/maintenance/rebuildLocalisationCache.php
@@ -113,6 +113,7 @@
                $total = count( $codes );
                $chunks = array_chunk( $codes, ceil( count( $codes ) / $threads 
) );
                $pids = array();
+               $parentStatus = 0;
                foreach ( $chunks as $codes ) {
                        // Do not fork for only one thread
                        $pid = ( $threads > 1 ) ? pcntl_fork() : -1;
@@ -121,9 +122,8 @@
                                // Child, reseed because there is no bug in PHP:
                                // http://bugs.php.net/bug.php?id=42465
                                mt_srand( getmypid() );
-                               $numRebuilt = $this->doRebuild( $codes, $lc, 
$force );
-                               // Abuse the exit value for the count of 
rebuild languages
-                               exit( $numRebuilt );
+                               $this->doRebuild( $codes, $lc, $force );
+                               exit( 0 );
                        } elseif ( $pid === -1 ) {
                                // Fork failed or one thread, do it serialized
                                $numRebuilt += $this->doRebuild( $codes, $lc, 
$force );
@@ -136,13 +136,20 @@
                foreach ( $pids as $pid ) {
                        $status = 0;
                        pcntl_waitpid( $pid, $status );
-                       // Fetch the count from the return value
-                       $numRebuilt += pcntl_wexitstatus( $status );
+                       if ( pcntl_wexitstatus( $status ) ) {
+                               // Pass a fatal error code through to the caller
+                               $parentStatus = pcntl_wexitstatus( $status );
+                       }
                }
 
-               $this->output( "$numRebuilt languages rebuilt out of $total\n" 
);
-               if ( $numRebuilt === 0 ) {
-                       $this->output( "Use --force to rebuild the caches which 
are still fresh.\n" );
+               if ( !$pids ) {
+                       $this->output( "$numRebuilt languages rebuilt out of 
$total\n" );
+                       if ( $numRebuilt === 0 ) {
+                               $this->output( "Use --force to rebuild the 
caches which are still fresh.\n" );
+                       }
+               }
+               if ( $parentStatus ) {
+                       exit( $parentStatus );
                }
        }
 

-- 
To view, visit https://gerrit.wikimedia.org/r/197245
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings

Gerrit-MessageType: newchange
Gerrit-Change-Id: I77922e686fe7da4fc25bb7f579ed70e1b107eaca
Gerrit-PatchSet: 1
Gerrit-Project: mediawiki/core
Gerrit-Branch: master
Gerrit-Owner: Tim Starling <[email protected]>

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