#!/bin/bash

# Copyright 2016 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.

# This script sets up a temporary Kubernetes GOPATH and runs an arbitrary
# command under it.  Go tooling requires that the current directory be under
# GOPATH or else it fails to find some things, such as the vendor directory for
# the project.

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

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

# This sets up a clean GOPATH and makes sure we are currently in it.
kube::golang::setup_env

# Run the user-provided command.
$(@)
(CommandList
  children: [
    (C {(set)} {(-o)} {(errexit)})
    (C {(set)} {(-o)} {(nounset)})
    (C {(set)} {(-o)} {(pipefail)})
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:KUBE_ROOT)
          op: Equal
          rhs: 
            {
              (CommandSubPart
                command_list: 
                  (CommandList
                    children: [(C {(dirname)} {(DQ (${ VSub_Name BASH_SOURCE))})]
                  )
                left_token: <Left_CommandSub "$(">
                spids: [77 85]
              ) (/..)
            }
          spids: [76]
        )
      ]
      spids: [76]
    )
    (C {(source)} {(DQ (${ VSub_Name KUBE_ROOT) (/hack/lib/init.sh))})
    (C {(kube) (Lit_Other ":") (Lit_Other ":") (golang) (Lit_Other ":") (Lit_Other ":") (setup_env)})
    (C {(DQ (${ VSub_At "@"))})
  ]
)