$ git clone -n https://gitee.com/yixingrui/envoy.git /var/lib/mock/dist-an23-build-303063-66009/root/chroot_tmpdir/scmroot/envoy
Cloning into '/var/lib/mock/dist-an23-build-303063-66009/root/chroot_tmpdir/scmroot/envoy'...
$ git fetch origin 997622db16544fbe3ddb578f0b92a10e34491a5d:KOJI_FETCH_HEAD
From https://gitee.com/yixingrui/envoy
 * [new ref]         997622db16544fbe3ddb578f0b92a10e34491a5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 997622d Opt spec file