$ git clone -n https://src.fedoraproject.org/rpms/kf6-breeze-icons.git /var/lib/mock/f42-build-side-1-3534269-46548/root/chroot_tmpdir/scmroot/kf6-breeze-icons
Cloning into '/var/lib/mock/f42-build-side-1-3534269-46548/root/chroot_tmpdir/scmroot/kf6-breeze-icons'...
$ git fetch origin 4afd3bd0112e27eafc3b65b9c01354a4238d64e5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-breeze-icons
 * [new ref]         4afd3bd0112e27eafc3b65b9c01354a4238d64e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4afd3bd 6.14.0