$ git clone -n https://src.fedoraproject.org/rpms/ghc-bytestring-nums.git /var/lib/mock/f40-build-2279464-55346/root/chroot_tmpdir/scmroot/ghc-bytestring-nums
Cloning into '/var/lib/mock/f40-build-2279464-55346/root/chroot_tmpdir/scmroot/ghc-bytestring-nums'...
$ git fetch origin 4825af2768397b2166c4f5fb4129859d8668459e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-bytestring-nums
 * [new ref]         4825af2768397b2166c4f5fb4129859d8668459e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4825af2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild