I want to make sure composer is using an exact version of a git repository by specifing the SHA1 of the commit. How can I do this? You can specify it after the version, as such (assuming you want the master branch): “dev-master#a93cbe224”
http://vvv.tobiassjosten.net/symfony/symfony-icu-requires-lib-icu/ http://symfony.com/doc/current/components/intl.html#installation – see “ICU and Deployment Problems”