$ git clone -n https://src.fedoraproject.org/rpms/ghc-old-time.git /var/lib/mock/f40-build-742934-110991/root/chroot_tmpdir/scmroot/ghc-old-time
Cloning into '/var/lib/mock/f40-build-742934-110991/root/chroot_tmpdir/scmroot/ghc-old-time'...
$ git reset --hard 21449c64b69cde48c4c03e054ff912dcf0183f47
HEAD is now at 21449c6 bump release