$ git clone -n https://gitee.com/src-anolis-os/gcab.git /var/lib/mock/dist-an23.3-build-433455-73067/root/chroot_tmpdir/scmroot/gcab
Cloning into '/var/lib/mock/dist-an23.3-build-433455-73067/root/chroot_tmpdir/scmroot/gcab'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/gcab
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 798ce7f change to use 1.6