mirror of https://github.com/knative/pkg.git
63 lines
1.7 KiB
Go
63 lines
1.7 KiB
Go
/*
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Copyright 2020 The Knative Authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package helpers
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import (
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"fmt"
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"os"
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"os/exec"
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"strings"
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)
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const allUsersFullPermission = 0777
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// CreateDir creates dir if does not exist.
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// The created dir will have the permission bits as 0777, which means everyone can read/write/execute it.
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func CreateDir(dirPath string) error {
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return CreateDirWithFileMode(dirPath, allUsersFullPermission)
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}
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// CreateDirWithFileMode creates dir if does not exist.
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// The created dir will have the permission bits as perm, which is the standard Unix rwxrwxrwx permissions.
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func CreateDirWithFileMode(dirPath string, perm os.FileMode) error {
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if _, err := os.Stat(dirPath); os.IsNotExist(err) {
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if err = os.MkdirAll(dirPath, perm); err != nil {
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return fmt.Errorf("error creating directory: %w", err)
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}
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}
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return nil
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}
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// GetRootDir gets directory of git root
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func GetRootDir() (string, error) {
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cmd := exec.Command("git", "rev-parse", "--show-toplevel")
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output, err := cmd.Output()
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if err != nil {
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return "", err
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}
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return strings.TrimSpace(string(output)), nil
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}
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// ChdirToRoot change directory to git root dir
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func ChdirToRoot() error {
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d, err := GetRootDir()
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if err != nil {
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return err
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}
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return os.Chdir(d)
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}
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