$ git clone -n https://src.fedoraproject.org/rpms/kblocks.git /var/lib/mock/f40-build-789964-136170/root/chroot_tmpdir/scmroot/kblocks
Cloning into '/var/lib/mock/f40-build-789964-136170/root/chroot_tmpdir/scmroot/kblocks'...
$ git fetch origin 94fe1a35da82bb525844a4cfd3ffb8fe7a4079a9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kblocks
 * [new ref]         94fe1a35da82bb525844a4cfd3ffb8fe7a4079a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 94fe1a3 24.02.0