$ git clone -n https://src.fedoraproject.org/rpms/fixedptc.git /var/lib/mock/f40-build-2278233-55263/root/chroot_tmpdir/scmroot/fixedptc
Cloning into '/var/lib/mock/f40-build-2278233-55263/root/chroot_tmpdir/scmroot/fixedptc'...
$ git fetch origin 4351fecaa305d7303e7a1c717f040b8e675abe3b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fixedptc
 * [new ref]         4351fecaa305d7303e7a1c717f040b8e675abe3b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4351fec Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild