$ git clone -n https://gitee.com/opencloudos-stream/golang-github-transparency-dev-merkle.git /var/lib/mock/dist-ocs23-epol9-build-232268-19674/root/chroot_tmpdir/scmroot/golang-github-transparency-dev-merkle
Cloning into '/var/lib/mock/dist-ocs23-epol9-build-232268-19674/root/chroot_tmpdir/scmroot/golang-github-transparency-dev-merkle'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/golang-github-transparency-dev-merkle
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e31332 update