$ git clone -n https://src.fedoraproject.org/rpms/golang-gocloud.git /var/lib/mock/f38-build-side-42-init-devel-1077360-29812/root/chroot_tmpdir/scmroot/golang-gocloud
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1077360-29812/root/chroot_tmpdir/scmroot/golang-gocloud'...
$ git fetch origin 1c766d964052d58f41233ac5547b49415cac47a5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-gocloud
 * [new ref]         1c766d964052d58f41233ac5547b49415cac47a5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c766d9 Revert to 0.24.0 to fix install failure