$ git clone -n https://gitee.com/opencloudos-stream/gnucobol.git /var/lib/mock/dist-oc9-epol-build-180815-80136/root/chroot_tmpdir/scmroot/gnucobol
Cloning into '/var/lib/mock/dist-oc9-epol-build-180815-80136/root/chroot_tmpdir/scmroot/gnucobol'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/gnucobol
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1423ed5 !2 Disable gpgverify Merge pull request !2 from brucezhang/master