$ git clone -n https://src.fedoraproject.org/rpms/kvantum.git /var/lib/mock/f40-build-2227665-53034/root/chroot_tmpdir/scmroot/kvantum
Cloning into '/var/lib/mock/f40-build-2227665-53034/root/chroot_tmpdir/scmroot/kvantum'...
$ git fetch origin 54416924a15abc983a5c2d2603db980b25dd6462:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kvantum
 * [new ref]         54416924a15abc983a5c2d2603db980b25dd6462 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5441692 Add Qt6 plugin subpackage