$ git clone -n https://src.fedoraproject.org/rpms/golang-github-quic.git /var/lib/mock/f41-build-1318702-23516/root/chroot_tmpdir/scmroot/golang-github-quic
Cloning into '/var/lib/mock/f41-build-1318702-23516/root/chroot_tmpdir/scmroot/golang-github-quic'...
$ git fetch origin dbd39acb55ac89633fdd40f026d39ae36544282c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-quic
 * [new ref]         dbd39acb55ac89633fdd40f026d39ae36544282c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbd39ac Update to 0.42.0 - Closes rhbz#2240724 rhbz#2257831