$ git clone -n https://src.fedoraproject.org/rpms/gnome-maps.git /var/lib/mock/f41-build-850969-165853/root/chroot_tmpdir/scmroot/gnome-maps
Cloning into '/var/lib/mock/f41-build-850969-165853/root/chroot_tmpdir/scmroot/gnome-maps'...
$ git fetch origin dc31a278707e3989b0ca46e9b2a2e9c2295128e0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-maps
 * [new ref]         dc31a278707e3989b0ca46e9b2a2e9c2295128e0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc31a27 Update to 47.0