$ git clone -n https://gitee.com/src-anolis-os/aom.git /var/lib/mock/dist-an23-build-377121-71759/root/chroot_tmpdir/scmroot/aom
Cloning into '/var/lib/mock/dist-an23-build-377121-71759/root/chroot_tmpdir/scmroot/aom'...
$ git fetch origin a23.0:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/aom
 * [new branch]      a23.0      -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 483d9ee update to 3.7.1