$ git clone -n https://src.fedoraproject.org/rpms/cab.git /var/lib/mock/f40-build-777121-129247/root/chroot_tmpdir/scmroot/cab
Cloning into '/var/lib/mock/f40-build-777121-129247/root/chroot_tmpdir/scmroot/cab'...
$ git fetch origin 3d60ee4811b721d10c598faa45902b1a754577b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cab
 * [new ref]         3d60ee4811b721d10c598faa45902b1a754577b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d60ee4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild