$ git clone -n https://src.fedoraproject.org/rpms/arianna.git /var/lib/mock/f41-build-1144039-21146/root/chroot_tmpdir/scmroot/arianna
Cloning into '/var/lib/mock/f41-build-1144039-21146/root/chroot_tmpdir/scmroot/arianna'...
$ git fetch origin 6d7dfff73c3bba6a41f37bed034718ff52838b90:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/arianna
 * [new ref]         6d7dfff73c3bba6a41f37bed034718ff52838b90 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d7dfff 24.05.1