$ git clone -n https://src.fedoraproject.org/rpms/kf6-kirigami-addons.git /var/lib/mock/f42-build-side-1-3506364-45996/root/chroot_tmpdir/scmroot/kf6-kirigami-addons
Cloning into '/var/lib/mock/f42-build-side-1-3506364-45996/root/chroot_tmpdir/scmroot/kf6-kirigami-addons'...
$ git fetch origin 7b5c8edcbbd999789653f0b72b56e2fa7f8150b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kirigami-addons
 * [new ref]         7b5c8edcbbd999789653f0b72b56e2fa7f8150b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b5c8ed Rebuild (qt6)