$ git clone -n https://src.fedoraproject.org/rpms/golang-github-klauspost-compress.git /var/lib/mock/f40-build-2199080-51719/root/chroot_tmpdir/scmroot/golang-github-klauspost-compress
Cloning into '/var/lib/mock/f40-build-2199080-51719/root/chroot_tmpdir/scmroot/golang-github-klauspost-compress'...
$ git fetch origin d08c335c0bf473c1a65e600c6988f5c6626db242:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-klauspost-compress
 * [new ref]         d08c335c0bf473c1a65e600c6988f5c6626db242 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d08c335 update to 1.17.3 (resolves rhbz#2244230)