$ git clone -n https://src.fedoraproject.org/rpms/kf6-kirigami.git /var/lib/mock/f40-build-2357276-60307/root/chroot_tmpdir/scmroot/kf6-kirigami
Cloning into '/var/lib/mock/f40-build-2357276-60307/root/chroot_tmpdir/scmroot/kf6-kirigami'...
$ git fetch origin 878aebc1530b01b49c9981b01ab774a408c46d4a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kirigami
 * [new ref]         878aebc1530b01b49c9981b01ab774a408c46d4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 878aebc 5.249.0