$ git clone -n https://gitee.com/src-anolis-os/mercurial.git /var/lib/mock/dist-an23-loongarch-build-309377-66339/root/chroot_tmpdir/scmroot/mercurial
Cloning into '/var/lib/mock/dist-an23-loongarch-build-309377-66339/root/chroot_tmpdir/scmroot/mercurial'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/mercurial
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 44f0357 !2 init pacakge from upstream Merge pull request !2 from happy_orange/a23