$ git clone -n https://gitee.com/src-opencloudos-rpms/cairo.git /var/lib/mock/dist-oc9-build-69569-47308/root/chroot_tmpdir/scmroot/cairo
Cloning into '/var/lib/mock/dist-oc9-build-69569-47308/root/chroot_tmpdir/scmroot/cairo'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/cairo
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 498fc80 import cairo-1.17.8-3.tl4