/usr/share/gocode/src/github.com/Unknwon/com/dir.go is in golang-github-unknwon-com-dev 0.0~git20151008.0.28b053d-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 | // Copyright 2013 com 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.
package com
import (
"errors"
"fmt"
"os"
"path"
"strings"
)
// IsDir returns true if given path is a directory,
// or returns false when it's a file or does not exist.
func IsDir(dir string) bool {
f, e := os.Stat(dir)
if e != nil {
return false
}
return f.IsDir()
}
func statDir(dirPath, recPath string, includeDir, isDirOnly bool) ([]string, error) {
dir, err := os.Open(dirPath)
if err != nil {
return nil, err
}
defer dir.Close()
fis, err := dir.Readdir(0)
if err != nil {
return nil, err
}
statList := make([]string, 0)
for _, fi := range fis {
if strings.Contains(fi.Name(), ".DS_Store") {
continue
}
relPath := path.Join(recPath, fi.Name())
curPath := path.Join(dirPath, fi.Name())
if fi.IsDir() {
if includeDir {
statList = append(statList, relPath+"/")
}
s, err := statDir(curPath, relPath, includeDir, isDirOnly)
if err != nil {
return nil, err
}
statList = append(statList, s...)
} else if !isDirOnly {
statList = append(statList, relPath)
}
}
return statList, nil
}
// StatDir gathers information of given directory by depth-first.
// It returns slice of file list and includes subdirectories if enabled;
// it returns error and nil slice when error occurs in underlying functions,
// or given path is not a directory or does not exist.
//
// Slice does not include given path itself.
// If subdirectories is enabled, they will have suffix '/'.
func StatDir(rootPath string, includeDir ...bool) ([]string, error) {
if !IsDir(rootPath) {
return nil, errors.New("not a directory or does not exist: " + rootPath)
}
isIncludeDir := false
if len(includeDir) >= 1 {
isIncludeDir = includeDir[0]
}
return statDir(rootPath, "", isIncludeDir, false)
}
// GetAllSubDirs returns all subdirectories of given root path.
// Slice does not include given path itself.
func GetAllSubDirs(rootPath string) ([]string, error) {
if !IsDir(rootPath) {
return nil, errors.New("not a directory or does not exist: " + rootPath)
}
return statDir(rootPath, "", true, true)
}
// GetFileListBySuffix returns an ordered list of file paths.
// It recognize if given path is a file, and don't do recursive find.
func GetFileListBySuffix(dirPath, suffix string) ([]string, error) {
if !IsExist(dirPath) {
return nil, fmt.Errorf("given path does not exist: %s", dirPath)
} else if IsFile(dirPath) {
return []string{dirPath}, nil
}
// Given path is a directory.
dir, err := os.Open(dirPath)
if err != nil {
return nil, err
}
fis, err := dir.Readdir(0)
if err != nil {
return nil, err
}
files := make([]string, 0, len(fis))
for _, fi := range fis {
if strings.HasSuffix(fi.Name(), suffix) {
files = append(files, path.Join(dirPath, fi.Name()))
}
}
return files, nil
}
// CopyDir copy files recursively from source to target directory.
//
// The filter accepts a function that process the path info.
// and should return true for need to filter.
//
// It returns error when error occurs in underlying functions.
func CopyDir(srcPath, destPath string, filters ...func(filePath string) bool) error {
// Check if target directory exists.
if IsExist(destPath) {
return errors.New("file or directory alreay exists: " + destPath)
}
err := os.MkdirAll(destPath, os.ModePerm)
if err != nil {
return err
}
// Gather directory info.
infos, err := StatDir(srcPath, true)
if err != nil {
return err
}
var filter func(filePath string) bool
if len(filters) > 0 {
filter = filters[0]
}
for _, info := range infos {
if filter != nil && filter(info) {
continue
}
curPath := path.Join(destPath, info)
if strings.HasSuffix(info, "/") {
err = os.MkdirAll(curPath, os.ModePerm)
} else {
err = Copy(path.Join(srcPath, info), curPath)
}
if err != nil {
return err
}
}
return nil
}
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