$ git clone -n https://src.fedoraproject.org/rpms/CFR.git /var/lib/mock/f40-build-2184814-51282/root/chroot_tmpdir/scmroot/CFR
Cloning into '/var/lib/mock/f40-build-2184814-51282/root/chroot_tmpdir/scmroot/CFR'...
$ git fetch origin 22ddbe0d02d35562de6c73dae63b122dfcaa3d09:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/CFR
 * [new ref]         22ddbe0d02d35562de6c73dae63b122dfcaa3d09 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 22ddbe0 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild