$ git clone -n https://gitee.com/opencloudos-stream/mercurial.git /var/lib/mock/dist-ocs23-build-93349-5984/root/chroot_tmpdir/scmroot/mercurial
Cloning into '/var/lib/mock/dist-ocs23-build-93349-5984/root/chroot_tmpdir/scmroot/mercurial'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mercurial
 * [new ref]         HEAD       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c2b649 Rebuilt for python 3.11