$ git clone -n https://src.fedoraproject.org/rpms/keyutils.git /var/lib/mock/f42-build-867640-175685/root/chroot_tmpdir/scmroot/keyutils
Cloning into '/var/lib/mock/f42-build-867640-175685/root/chroot_tmpdir/scmroot/keyutils'...
$ git fetch origin b586946b264ca7b04ff1b8c8eacb25e93a6f60e9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/keyutils
 * [new ref]         b586946b264ca7b04ff1b8c8eacb25e93a6f60e9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b586946 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild