$ git clone -n https://src.fedoraproject.org/rpms/rust-triforce-lv2.git /var/lib/mock/f42-build-side-1-3540436-46574/root/chroot_tmpdir/scmroot/rust-triforce-lv2
Cloning into '/var/lib/mock/f42-build-side-1-3540436-46574/root/chroot_tmpdir/scmroot/rust-triforce-lv2'...
$ git fetch origin 6954578513f0a8254efbc08afcb5737f0cf83ab7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-triforce-lv2
 * [new ref]         6954578513f0a8254efbc08afcb5737f0cf83ab7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6954578 Update to 0.3.2; Fixes: RHBZ#2366963