$ git clone -n https://src.fedoraproject.org/rpms/lollypop.git /var/lib/mock/f40-build-2702721-70702/root/chroot_tmpdir/scmroot/lollypop
Cloning into '/var/lib/mock/f40-build-2702721-70702/root/chroot_tmpdir/scmroot/lollypop'...
$ git fetch origin fd98d19ddd553d8e1ed7264464268c5b67c17b54:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lollypop
 * [new ref]         fd98d19ddd553d8e1ed7264464268c5b67c17b54 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd98d19 Update to 1.4.38