$ git clone -n https://src.fedoraproject.org/rpms/ghc-SHA.git /var/lib/mock/f40-build-741933-110424/root/chroot_tmpdir/scmroot/ghc-SHA
Cloning into '/var/lib/mock/f40-build-741933-110424/root/chroot_tmpdir/scmroot/ghc-SHA'...
$ git reset --hard 50ce2bc61265fc4ea6284bc62435bbaa48a894f7
HEAD is now at 50ce2bc bump release