$ git clone -n https://src.fedoraproject.org/rpms/rust-quick-xml0.27.git /var/lib/mock/f40-build-2656228-66913/root/chroot_tmpdir/scmroot/rust-quick-xml0.27
Cloning into '/var/lib/mock/f40-build-2656228-66913/root/chroot_tmpdir/scmroot/rust-quick-xml0.27'...
$ git fetch origin 684afcf437f42e2c5a6d370805a45b37911bc196:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-quick-xml0.27
 * [new ref]         684afcf437f42e2c5a6d370805a45b37911bc196 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 684afcf Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild