$ git clone -n https://src.fedoraproject.org/rpms/xrotor.git /var/lib/mock/f40-build-788507-135185/root/chroot_tmpdir/scmroot/xrotor
Cloning into '/var/lib/mock/f40-build-788507-135185/root/chroot_tmpdir/scmroot/xrotor'...
$ git fetch origin 5961f4b046025a31dd58d9cf770a6268027c5dd6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xrotor
 * [new ref]         5961f4b046025a31dd58d9cf770a6268027c5dd6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5961f4b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild