$ git clone -n https://gitee.com/opencloudos-stream/cairo.git /var/lib/mock/dist-ocs23-build-23417-1191/root/chroot_tmpdir/scmroot/cairo
Cloning into '/var/lib/mock/dist-ocs23-build-23417-1191/root/chroot_tmpdir/scmroot/cairo'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/cairo
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c1bf80 !1 Upgrade to 1.17.8 Merge pull request !1 from kianli/master