$ git clone -n https://src.fedoraproject.org/rpms/kf6-breeze-icons.git /var/lib/mock/f41-build-860822-169221/root/chroot_tmpdir/scmroot/kf6-breeze-icons
Cloning into '/var/lib/mock/f41-build-860822-169221/root/chroot_tmpdir/scmroot/kf6-breeze-icons'...
$ git fetch origin c01f1b70372e9b59720254008d4560bd59e221e5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-breeze-icons
 * [new ref]         c01f1b70372e9b59720254008d4560bd59e221e5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c01f1b7 6.8.0