$ git clone -n https://src.fedoraproject.org/rpms/gnome-maps.git /var/lib/mock/f39-build-1679461-41009/root/chroot_tmpdir/scmroot/gnome-maps
Cloning into '/var/lib/mock/f39-build-1679461-41009/root/chroot_tmpdir/scmroot/gnome-maps'...
$ git fetch origin 1031078f12058d867ad406f958b014601c88f766:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-maps
 * [new ref]         1031078f12058d867ad406f958b014601c88f766 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1031078 Update to 45.1