$ git clone -n https://src.fedoraproject.org/forks/hypersa/rpms/ghc-setlocale.git /var/lib/mock/f39-build-2218526-52606/root/chroot_tmpdir/scmroot/ghc-setlocale
Cloning into '/var/lib/mock/f39-build-2218526-52606/root/chroot_tmpdir/scmroot/ghc-setlocale'...
$ git fetch origin 7d8fbd8d8ce797190b834b9800772f451b24f73e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/hypersa/rpms/ghc-setlocale
 * [new ref]         7d8fbd8d8ce797190b834b9800772f451b24f73e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d8fbd8 rv64 rebuild