$ git clone -n https://gitee.com/src-opencloudos-rpms/ctags.git /var/lib/mock/dist-oc9-build-63009-16463/root/chroot_tmpdir/scmroot/ctags
Cloning into '/var/lib/mock/dist-oc9-build-63009-16463/root/chroot_tmpdir/scmroot/ctags'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/ctags
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9e3809 import ctags-5.9-4.20220724.0.tl4