$ git clone -n https://src.fedoraproject.org/rpms/examiner.git /var/lib/mock/f40-build-2277773-55243/root/chroot_tmpdir/scmroot/examiner
Cloning into '/var/lib/mock/f40-build-2277773-55243/root/chroot_tmpdir/scmroot/examiner'...
$ git fetch origin b15864bd469a5bf37943751f52c37dcde9c3cd37:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/examiner
 * [new ref]         b15864bd469a5bf37943751f52c37dcde9c3cd37 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b15864b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild