$ git clone -n https://src.fedoraproject.org/rpms/kf6-kwallet.git /var/lib/mock/f42-build-side-1-3573609-46768/root/chroot_tmpdir/scmroot/kf6-kwallet
Cloning into '/var/lib/mock/f42-build-side-1-3573609-46768/root/chroot_tmpdir/scmroot/kf6-kwallet'...
$ git fetch origin 5813ab217730db835c9fc26406a467dac3433cde:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kwallet
 * [new ref]         5813ab217730db835c9fc26406a467dac3433cde -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5813ab2 6.15 and plasma 3.4 compatibility rebuild