$ git clone -n https://src.fedoraproject.org/rpms/ghc-reducers.git /var/lib/mock/f38-build-689596-82553/root/chroot_tmpdir/scmroot/ghc-reducers
Cloning into '/var/lib/mock/f38-build-689596-82553/root/chroot_tmpdir/scmroot/ghc-reducers'...
$ git reset --hard ef9c6cd8085cfa5c288cfa37a58591613308878c
HEAD is now at ef9c6cd Convert to %autorelease and %autochangelog