mirror of
https://github.com/ahmetb/kubectx.git
synced 2026-03-18 20:02:49 +00:00
54 lines
1.5 KiB
Go
54 lines
1.5 KiB
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 main
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"github.com/pkg/errors"
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"github.com/ahmetb/kubectx/internal/cmdutil"
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)
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func kubectxPrevCtxFile() (string, error) {
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home := cmdutil.HomeDir()
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if home == "" {
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return "", errors.New("HOME or USERPROFILE environment variable not set")
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}
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return filepath.Join(home, ".kube", "kubectx"), nil
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}
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// readLastContext returns the saved previous context
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// if the state file exists, otherwise returns "".
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func readLastContext(path string) (string, error) {
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b, err := ioutil.ReadFile(path)
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if os.IsNotExist(err) {
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return "", nil
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}
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return string(b), err
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}
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// writeLastContext saves the specified value to the state file.
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// It creates missing parent directories.
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func writeLastContext(path, value string) error {
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dir := filepath.Dir(path)
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if err := os.MkdirAll(dir, 0755); err != nil {
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return errors.Wrap(err, "failed to create parent directories")
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}
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return ioutil.WriteFile(path, []byte(value), 0644)
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}
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