$ git clone -n https://src.fedoraproject.org/rpms/cppcodec.git /var/lib/mock/f40-build-2391144-60527/root/chroot_tmpdir/scmroot/cppcodec
Cloning into '/var/lib/mock/f40-build-2391144-60527/root/chroot_tmpdir/scmroot/cppcodec'...
$ git fetch origin d0557548c1abb2646ddd162d04ec5ab952c2329b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cppcodec
 * [new ref]         d0557548c1abb2646ddd162d04ec5ab952c2329b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d055754 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild