$ git clone -n https://src.fedoraproject.org/rpms/ghc-copilot-language.git /var/lib/mock/f45-build-52183-908/root/chroot_tmpdir/scmroot/ghc-copilot-language
Cloning into '/var/lib/mock/f45-build-52183-908/root/chroot_tmpdir/scmroot/ghc-copilot-language'...
$ git fetch origin 6d47453977f49ff87582aceafc95b360eb78ea64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-copilot-language
 * [new ref]         6d47453977f49ff87582aceafc95b360eb78ea64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d47453 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild