$ git clone -n https://src.fedoraproject.org/rpms/ghc-gi-gmodule.git /var/lib/mock/f38-build-707390-91798/root/chroot_tmpdir/scmroot/ghc-gi-gmodule
Cloning into '/var/lib/mock/f38-build-707390-91798/root/chroot_tmpdir/scmroot/ghc-gi-gmodule'...
$ git reset --hard cdf584cd33fd7148898f979360c713fa060136d9
HEAD is now at cdf584c rebuild