{ fetchgit }: let commit = "4111a57c34e25bde579cce5d14ea094021e450c8"; project-name = "PluggableAuth"; tracking-branch = "REL1_41"; in (fetchgit { name = "mediawiki-pluggable-auth-source"; url = "https://gerrit.wikimedia.org/r/mediawiki/extensions/${project-name}"; rev = "refs/heads/${tracking-branch}"; hash = "sha256-aPtN8A9gDxLlq2+EloRZBO0DfHtE0E5kbV/adk82jvM="; }).overrideAttrs (_: { passthru = { inherit project-name tracking-branch; }; })