$ git clone -n https://gitee.com/src-anolis-os/anolis-shangmi-release.git /var/lib/mock/dist-an8.4-extras-build-289088-64930/root/chroot_tmpdir/scmroot/anolis-shangmi-release
Cloning into '/var/lib/mock/dist-an8.4-extras-build-289088-64930/root/chroot_tmpdir/scmroot/anolis-shangmi-release'...
$ git fetch origin a8.4:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/anolis-shangmi-release
 * [new branch]      a8.4       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76c16d8 Update repo URL to 8.4