$ git clone -n https://src.fedoraproject.org/rpms/gnome-software.git /var/lib/mock/f41-build-1285102-23248/root/chroot_tmpdir/scmroot/gnome-software
Cloning into '/var/lib/mock/f41-build-1285102-23248/root/chroot_tmpdir/scmroot/gnome-software'...
$ git fetch origin 7cca703b2070afbb3f492753c361dd8d04b5529d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-software
 * [new ref]         7cca703b2070afbb3f492753c361dd8d04b5529d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7cca703 Update to 47.alpha