$ git clone -n https://src.fedoraproject.org/rpms/ghc-clock.git /var/lib/mock/f31-build-116022-34529/root/chroot_tmpdir/scmroot/ghc-clock
Cloning into '/var/lib/mock/f31-build-116022-34529/root/chroot_tmpdir/scmroot/ghc-clock'...
$ git reset --hard ac7da7d8a4d8893e700fd0ccc3c2f55595b603cf
HEAD is now at ac7da7d BR prof for lib and static for executable