$ git clone -n https://src.fedoraproject.org/rpms/golang-github-sagikazarmark-crypt.git /var/lib/mock/f41-build-side-1-2800005-32799/root/chroot_tmpdir/scmroot/golang-github-sagikazarmark-crypt
Cloning into '/var/lib/mock/f41-build-side-1-2800005-32799/root/chroot_tmpdir/scmroot/golang-github-sagikazarmark-crypt'...
$ git fetch origin c6e2589de33672aa44c0cfdc9bc9079a175240e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-sagikazarmark-crypt
 * [new ref]         c6e2589de33672aa44c0cfdc9bc9079a175240e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c6e2589 Update to 0.26.0 upstream release