$ git clone -n https://src.fedoraproject.org/rpms/golang-github-klauspost-compress.git /var/lib/mock/f40-build-2398285-60543/root/chroot_tmpdir/scmroot/golang-github-klauspost-compress
Cloning into '/var/lib/mock/f40-build-2398285-60543/root/chroot_tmpdir/scmroot/golang-github-klauspost-compress'...
$ git fetch origin dfea43279dc7061e75bbd9d78e3e9a28ba4e3d3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-klauspost-compress
 * [new ref]         dfea43279dc7061e75bbd9d78e3e9a28ba4e3d3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dfea432 update to 1.17.5 (resolves rhbz#2252612)