#!/bin/bash

# Copyright 2015 The Kubernetes Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -o errexit
set -o nounset
set -o pipefail

global KUBE_ROOT := "$[dirname $(BASH_SOURCE)]/.."
source "$(KUBE_ROOT)/hack/lib/init.sh"

kube::golang::setup_env

global BINS := '(
	'vendor/k8s.io/code-generator/cmd/go-to-protobuf
	vendor/k8s.io/code-generator/cmd/go-to-protobuf/protoc-gen-gogo
)
make -C $(KUBE_ROOT) WHAT="$(BINS[*])"

if [[ -z "$(which protoc)" || "$(protoc --version)" != "libprotoc 3."* ]] {
  echo "Generating protobuf requires protoc 3.0.0-beta1 or newer. Please download and"
  echo "install the platform appropriate Protobuf package for your OS: "
  echo
  echo "  https://github.com/google/protobuf/releases"
  echo
  echo "WARNING: Protobuf changes are not being validated"
  exit 1
}

global gotoprotobuf := $[kube::util::find-binary "go-to-protobuf]

global PACKAGES := '(
  'k8s.io/apiserver/pkg/apis/example/v1
  k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1
  k8s.io/kube-aggregator/pkg/apis/apiregistration/v1beta1
  k8s.io/api/core/v1
  k8s.io/api/policy/v1beta1
  k8s.io/api/extensions/v1beta1
  k8s.io/api/autoscaling/v1
  k8s.io/api/authorization/v1
  k8s.io/api/autoscaling/v2beta1
  k8s.io/api/authorization/v1beta1
  k8s.io/api/batch/v1
  k8s.io/api/batch/v1beta1
  k8s.io/api/batch/v2alpha1
  k8s.io/api/apps/v1beta1
  k8s.io/api/apps/v1beta2
  k8s.io/api/apps/v1
  k8s.io/api/authentication/v1
  k8s.io/api/authentication/v1beta1
  k8s.io/api/rbac/v1alpha1
  k8s.io/api/rbac/v1beta1
  k8s.io/api/certificates/v1beta1
  k8s.io/api/imagepolicy/v1alpha1
  k8s.io/api/scheduling/v1alpha1
  k8s.io/api/settings/v1alpha1
  k8s.io/api/storage/v1beta1
  k8s.io/api/storage/v1
  k8s.io/api/admissionregistration/v1alpha1
  k8s.io/api/admission/v1alpha1
  k8s.io/api/networking/v1
  k8s.io/kubernetes/federation/apis/federation/v1beta1
  k8s.io/metrics/pkg/apis/metrics/v1alpha1
  k8s.io/metrics/pkg/apis/metrics/v1beta1
  k8s.io/metrics/pkg/apis/custom_metrics/v1beta1
  k8s.io/apiserver/pkg/apis/audit/v1alpha1
  k8s.io/apiserver/pkg/apis/audit/v1beta1
)

# requires the 'proto' tag to build (will remove when ready)
# searches for the protoc-gen-gogo extension in the output directory
# satisfies import of github.com/gogo/protobuf/gogoproto/gogo.proto and the
# core Google protobuf types
env PATH="$(KUBE_ROOT)/_output/bin:$(PATH)" \
  $(gotoprotobuf) \
  --proto-import="$(KUBE_ROOT)/vendor" \
  --proto-import="$(KUBE_ROOT)/third_party/protobuf" \
  --packages=$[global IFS := ',' ; echo $(PACKAGES[*])]
  @Argv
(CommandList
  children: [
    (C {(set)} {(-o)} {(errexit)})
    (C {(set)} {(-o)} {(nounset)})
    (C {(set)} {(-o)} {(pipefail)})
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:KUBE_ROOT)
          op: Equal
          rhs: 
            {
              (CommandSubPart
                command_list: 
                  (CommandList
                    children: [(C {(dirname)} {(DQ (${ VSub_Name BASH_SOURCE))})]
                  )
                left_token: <Left_CommandSub "$(">
                spids: [64 72]
              ) (/..)
            }
          spids: [63]
        )
      ]
      spids: [63]
    )
    (C {(source)} {(DQ (${ VSub_Name KUBE_ROOT) (/hack/lib/init.sh))})
    (C {(kube) (Lit_Other ":") (Lit_Other ":") (golang) (Lit_Other ":") (Lit_Other ":") (setup_env)})
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:BINS)
          op: Equal
          rhs: 
            {
              (ArrayLiteralPart
                words: [
                  {(vendor/k8s.io/code-generator/cmd/go-to-protobuf)}
                  {(vendor/k8s.io/code-generator/cmd/go-to-protobuf/protoc-gen-gogo)}
                ]
              )
            }
          spids: [94]
        )
      ]
      spids: [94]
    )
    (C {(make)} {(-C)} {(DQ (${ VSub_Name KUBE_ROOT))} 
      {(Lit_VarLike "WHAT=") 
        (DQ 
          (BracedVarSub
            token: <VSub_Name BINS>
            bracket_op: (WholeArray op_id:Arith_Star)
            spids: [117 122]
          )
        )
      }
    )
    (If
      arms: [
        (if_arm
          cond: [
            (Sentence
              child: 
                (DBracket
                  expr: 
                    (LogicalOr
                      left: 
                        (BoolUnary
                          op_id: BoolUnary_z
                          child: 
                            {
                              (DQ 
                                (CommandSubPart
                                  command_list: (CommandList children:[(C {(which)} {(protoc)})])
                                  left_token: <Left_CommandSub "$(">
                                  spids: [133 137]
                                )
                              )
                            }
                        )
                      right: 
                        (BoolBinary
                          op_id: BoolBinary_GlobNEqual
                          left: 
                            {
                              (DQ 
                                (CommandSubPart
                                  command_list: (CommandList children:[(C {(protoc)} {(--version)})])
                                  left_token: <Left_CommandSub "$(">
                                  spids: [143 147]
                                )
                              )
                            }
                          right: {(DQ ("libprotoc 3.")) (Lit_Other "*")}
                        )
                    )
                )
              terminator: <Op_Semi ";">
            )
          ]
          action: [
            (C {(echo)} 
              {
                (DQ ("Generating protobuf requires protoc 3.0.0-beta1 or newer. Please download and"))
              }
            )
            (C {(echo)} {(DQ ("install the platform appropriate Protobuf package for your OS: "))})
            (C {(echo)})
            (C {(echo)} {(DQ ("  https://github.com/google/protobuf/releases"))})
            (C {(echo)})
            (C {(echo)} {(DQ ("WARNING: Protobuf changes are not being validated"))})
            (C {(exit)} {(1)})
          ]
          spids: [-1 160]
        )
      ]
      spids: [-1 201]
    )
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:gotoprotobuf)
          op: Equal
          rhs: 
            {
              (CommandSubPart
                command_list: 
                  (CommandList
                    children: [
                      (C 
                        {(kube) (Lit_Other ":") (Lit_Other ":") (util) (Lit_Other ":") (Lit_Other ":") 
                          (find-binary)
                        } {(DQ (go-to-protobuf))}
                      )
                    ]
                  )
                left_token: <Left_CommandSub "$(">
                spids: [205 217]
              )
            }
          spids: [204]
        )
      ]
      spids: [204]
    )
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:PACKAGES)
          op: Equal
          rhs: 
            {
              (ArrayLiteralPart
                words: [
                  {(k8s.io/apiserver/pkg/apis/example/v1)}
                  {(k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1)}
                  {(k8s.io/kube-aggregator/pkg/apis/apiregistration/v1beta1)}
                  {(k8s.io/api/core/v1)}
                  {(k8s.io/api/policy/v1beta1)}
                  {(k8s.io/api/extensions/v1beta1)}
                  {(k8s.io/api/autoscaling/v1)}
                  {(k8s.io/api/authorization/v1)}
                  {(k8s.io/api/autoscaling/v2beta1)}
                  {(k8s.io/api/authorization/v1beta1)}
                  {(k8s.io/api/batch/v1)}
                  {(k8s.io/api/batch/v1beta1)}
                  {(k8s.io/api/batch/v2alpha1)}
                  {(k8s.io/api/apps/v1beta1)}
                  {(k8s.io/api/apps/v1beta2)}
                  {(k8s.io/api/apps/v1)}
                  {(k8s.io/api/authentication/v1)}
                  {(k8s.io/api/authentication/v1beta1)}
                  {(k8s.io/api/rbac/v1alpha1)}
                  {(k8s.io/api/rbac/v1beta1)}
                  {(k8s.io/api/certificates/v1beta1)}
                  {(k8s.io/api/imagepolicy/v1alpha1)}
                  {(k8s.io/api/scheduling/v1alpha1)}
                  {(k8s.io/api/settings/v1alpha1)}
                  {(k8s.io/api/storage/v1beta1)}
                  {(k8s.io/api/storage/v1)}
                  {(k8s.io/api/admissionregistration/v1alpha1)}
                  {(k8s.io/api/admission/v1alpha1)}
                  {(k8s.io/api/networking/v1)}
                  {(k8s.io/kubernetes/federation/apis/federation/v1beta1)}
                  {(k8s.io/metrics/pkg/apis/metrics/v1alpha1)}
                  {(k8s.io/metrics/pkg/apis/metrics/v1beta1)}
                  {(k8s.io/metrics/pkg/apis/custom_metrics/v1beta1)}
                  {(k8s.io/apiserver/pkg/apis/audit/v1alpha1)}
                  {(k8s.io/apiserver/pkg/apis/audit/v1beta1)}
                ]
              )
            }
          spids: [220]
        )
      ]
      spids: [220]
    )
    (SimpleCommand
      words: [
        {(DQ (${ VSub_Name gotoprotobuf))}
        {(--proto-import) (Lit_Other "=") (DQ (${ VSub_Name KUBE_ROOT) (/vendor))}
        {(--proto-import) (Lit_Other "=") (DQ (${ VSub_Name KUBE_ROOT) (/third_party/protobuf))}
        {(--packages) (Lit_Other "=") 
          (CommandSubPart
            command_list: 
              (CommandList
                children: [
                  (Sentence
                    child: 
                      (Assignment
                        keyword: Assign_None
                        pairs: [
                          (assign_pair
                            lhs: (LhsName name:IFS)
                            op: Equal
                            rhs: {(Lit_Comma ",")}
                            spids: [389]
                          )
                        ]
                        spids: [389]
                      )
                    terminator: <Op_Semi ";">
                  )
                  (C {(echo)} 
                    {
                      (DQ 
                        (BracedVarSub
                          token: <VSub_Name PACKAGES>
                          bracket_op: (WholeArray op_id:Arith_Star)
                          spids: [397 402]
                        )
                      )
                    }
                  )
                ]
              )
            left_token: <Left_CommandSub "$(">
            spids: [388 404]
          )
        }
      ]
      more_env: [
        (env_pair
          name: PATH
          val: {(DQ (${ VSub_Name KUBE_ROOT) ("/_output/bin:") (${ VSub_Name PATH))}
          spids: [343]
        )
      ]
    )
    (C {(DQ ($ VSub_At "$@"))})
  ]
)