$ git clone -n https://src.fedoraproject.org/rpms/krecipes.git /var/lib/mock/f40-build-790554-136608/root/chroot_tmpdir/scmroot/krecipes
Cloning into '/var/lib/mock/f40-build-790554-136608/root/chroot_tmpdir/scmroot/krecipes'...
$ git fetch origin b689d9094aed91b7a7bf4c1bbb89e83348eb8a91:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/krecipes
 * [new ref]         b689d9094aed91b7a7bf4c1bbb89e83348eb8a91 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b689d90 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild