$ git clone -n https://src.fedoraproject.org/rpms/ghc-regex-compat.git /var/lib/mock/f40-build-742857-110925/root/chroot_tmpdir/scmroot/ghc-regex-compat
Cloning into '/var/lib/mock/f40-build-742857-110925/root/chroot_tmpdir/scmroot/ghc-regex-compat'...
$ git reset --hard d4c11dd29095585f64388437aa20f98cf875d741
HEAD is now at d4c11dd bump release