$ git clone -n https://gitee.com/mgb01105731/cjson_1.git /var/lib/mock/dist-an23-epao-build-293555-65188/root/chroot_tmpdir/scmroot/cjson_1
Cloning into '/var/lib/mock/dist-an23-epao-build-293555-65188/root/chroot_tmpdir/scmroot/cjson_1'...
$ git fetch origin 8d02feba30e52969ea50653044a56380cfcc95e4:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/cjson_1
 * [new ref]         8d02feba30e52969ea50653044a56380cfcc95e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d02feb init upstream from version 1.7.15