mirror of
https://github.com/ahmetb/kubectx.git
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32 lines
932 B
Go
32 lines
932 B
Go
// Copyright 2021 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package testutil
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import "os"
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// WithEnvVar sets an env var temporarily. Call its return value
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// in defer to restore original value in env (if exists).
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func WithEnvVar(key, value string) func() {
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orig, ok := os.LookupEnv(key)
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os.Setenv(key, value)
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return func() {
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if ok {
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os.Setenv(key, orig)
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} else {
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os.Unsetenv(key)
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}
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}
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}
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