$ git clone -n https://src.fedoraproject.org/rpms/xoo.git /var/lib/mock/f40-build-2046085-48837/root/chroot_tmpdir/scmroot/xoo
Cloning into '/var/lib/mock/f40-build-2046085-48837/root/chroot_tmpdir/scmroot/xoo'...
$ git fetch origin aa4a8e882b9a0bcb06875e968d94b683ede16fcc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xoo
 * [new ref]         aa4a8e882b9a0bcb06875e968d94b683ede16fcc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa4a8e8 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild