$ git clone -n https://gitee.com/wenyuzifang/lua-lpeg.git /var/lib/mock/dist-an23-build-471921-74118/root/chroot_tmpdir/scmroot/lua-lpeg
Cloning into '/var/lib/mock/dist-an23-build-471921-74118/root/chroot_tmpdir/scmroot/lua-lpeg'...
$ git fetch origin 5f7bf60f63b44f1d41a793add6e78bceed963915:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/lua-lpeg
 * [new ref]         5f7bf60f63b44f1d41a793add6e78bceed963915 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f7bf60 Update code from upstream