$ git clone -n https://src.fedoraproject.org/rpms/ghc-persistent.git /var/lib/mock/f31-build-100870-33326/root/chroot_tmpdir/scmroot/ghc-persistent
Cloning into '/var/lib/mock/f31-build-100870-33326/root/chroot_tmpdir/scmroot/ghc-persistent'...
$ git reset --hard 9e16c13702301461ffd0f3edcaba26cc681c834d
HEAD is now at 9e16c13 BR prof for lib and static for executable