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post JMS\DiExtraBundles GrepPatternFinder grep exits with status code 2 on Fedora 18 2013-01-17 00:32:12
fedora
selinux
symfony
/blog/2013/1/17/jms-diextrabundle-s-greppatternfinder-grep-exits-with-status-code-2-on-fedora-18 true
name email
Gergely Polonkai gergely@polonkai.eu

Yesterday Ive upgraded my development machines from Fedora 17 to Fedora 18. Although it went well, my Symfony projects stopped working with a message like this:

RuntimeException: Command "/usr/bin/grep --fixed-strings --directories=recurse --devices=skip --files-with-matches --with-filename --color=never --include=*.php 'JMS\DiExtraBundle\Annotation'
'/var/www/html/gergelypolonkaiweb/app/../src'
'/var/www/html/gergelypolonkaiweb/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle'
'/var/www/html/gergelypolonkaiweb/vendor/symfony/symfony/src/Symfony/Bundle/SecurityBundle'
'/var/www/html/gergelypolonkaiweb/vendor/symfony/symfony/src/Symfony/Bundle/TwigBundle'
'/var/www/html/gergelypolonkaiweb/vendor/symfony/monolog-bundle/Symfony/Bundle/MonologBundle'
'/var/www/html/gergelypolonkaiweb/vendor/symfony/swiftmailer-bundle/Symfony/Bundle/SwiftmailerBundle'
'/var/www/html/gergelypolonkaiweb/vendor/symfony/assetic-bundle/Symfony/Bundle/AsseticBundle'
'/var/www/html/gergelypolonkaiweb/vendor/doctrine/doctrine-bundle/Doctrine/Bundle/DoctrineBundle'
'/var/www/html/gergelypolonkaiweb/vendor/sensio/framework-extra-bundle/Sensio/Bundle/FrameworkExtraBundle'
'/var/www/html/gergelypolonkaiweb/vendor/jms/aop-bundle/JMS/AopBundle'
'/var/www/html/gergelypolonkaiweb/vendor/jms/security-extra-bundle/JMS/SecurityExtraBundle'
'/var/www/html/gergelypolonkaiweb/vendor/doctrine/doctrine-migrations-bundle/Doctrine/Bundle/MigrationsBundle'
'/var/www/html/gergelypolonkaiweb/vendor/friendsofsymfony/jsrouting-bundle/FOS/JsRoutingBundle'
'/var/www/html/gergelypolonkaiweb/vendor/avalanche123/imagine-bundle/Avalanche/Bundle/ImagineBundle'
'/var/www/html/gergelypolonkaiweb/vendor/genemu/form-bundle/Genemu/Bundle/FormBundle'
'/var/www/html/gergelypolonkaiweb/src/GergelyPolonkai/FrontBundle'
'/var/www/html/gergelypolonkaiweb/src/GergelyPolonkai/GeshiBundle'
'/var/www/html/gergelypolonkaiweb/vendor/symfony/symfony/src/Symfony/Bundle/WebProfilerBundle'
'/var/www/html/gergelypolonkaiweb/vendor/sensio/distribution-bundle/Sensio/Bundle/DistributionBundle'
'/var/www/html/gergelypolonkaiweb/vendor/sensio/generator-bundle/Sensio/Bundle/GeneratorBundle'" exited with non-successful status code "2".

After getting through my logs and such, Ive finally found out that the new SELinux policy is causing the trouble together with git. Eventually, my .git/logs directory is tagged as unconfined_u:object_r:httpd_log_t:s0. httpd_log_t type is not readable by the system_u:system_r:httpd_t:s0 user, which makes /usr/bin/grep throw an access denied error. To fix this, I needed to do

semanage fcontext -a -t httpd_sys_content_t '/var/www(/.*)?/\.git/logs(/.*)?'

as root. This makes .git directories readable for the httpd process, thus, for grep. The optimal solution would be to tell GrepPatternFinder to ignore version control stuff, so the httpd process would have no access to them at all. Also, in production, removing the .git or .svn directories could be a good idea.