$ git clone -n https://gitee.com/opencloudos-stream/golang-github-imdario-mergo.git /var/lib/mock/dist-ocs23-epol9-build-232562-19772/root/chroot_tmpdir/scmroot/golang-github-imdario-mergo
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-232562-19772/root/chroot_tmpdir/scmroot/golang-github-imdario-mergo'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/golang-github-imdario-mergo
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c09bb5e update