$ git clone -n https://src.fedoraproject.org/rpms/opus-tools.git /var/lib/mock/f41-build-side-1-2650175-27567/root/chroot_tmpdir/scmroot/opus-tools
Cloning into '/var/lib/mock/f41-build-side-1-2650175-27567/root/chroot_tmpdir/scmroot/opus-tools'...
$ git fetch origin bd6330ba0a6fd2e6ac7e28e69245f427fc302d5e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/opus-tools
 * [new ref]         bd6330ba0a6fd2e6ac7e28e69245f427fc302d5e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd6330b convert license to SPDX