$ git clone -n https://gitee.com/yixingrui/envoy.git /var/lib/mock/dist-an23-build-303044-66009/root/chroot_tmpdir/scmroot/envoy
Cloning into '/var/lib/mock/dist-an23-build-303044-66009/root/chroot_tmpdir/scmroot/envoy'...
$ git fetch origin 613bed32b6bf4b2f0f885707f3a4cccdf2f24487:KOJI_FETCH_HEAD
From https://gitee.com/yixingrui/envoy
 * [new ref]         613bed32b6bf4b2f0f885707f3a4cccdf2f24487 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 613bed3 Opt spec file