$ git clone -n https://gitee.com/bbrucezhang/texlive-base_1.git /var/lib/mock/dist-oc9-epol-build-182758-80182/root/chroot_tmpdir/scmroot/texlive-base_1
Cloning into '/var/lib/mock/dist-oc9-epol-build-182758-80182/root/chroot_tmpdir/scmroot/texlive-base_1'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/bbrucezhang/texlive-base_1
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e01af71 Update to 20200327-1