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96 lines
1.9 KiB
Go
96 lines
1.9 KiB
Go
package tftest
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import (
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"os"
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"path/filepath"
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)
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func symlinkFile(src string, dest string) (err error) {
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err = os.Symlink(src, dest)
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if err == nil {
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srcInfo, err := os.Stat(src)
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if err != nil {
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err = os.Chmod(dest, srcInfo.Mode())
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}
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}
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return
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}
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// symlinkDir is a simplistic function for recursively symlinking all files in a directory to a new path.
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// It is intended only for limited internal use and does not cover all edge cases.
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func symlinkDir(srcDir string, destDir string) (err error) {
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srcInfo, err := os.Stat(srcDir)
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if err != nil {
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return err
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}
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err = os.MkdirAll(destDir, srcInfo.Mode())
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if err != nil {
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return err
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}
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directory, _ := os.Open(srcDir)
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defer directory.Close()
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objects, err := directory.Readdir(-1)
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for _, obj := range objects {
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srcPath := filepath.Join(srcDir, obj.Name())
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destPath := filepath.Join(destDir, obj.Name())
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if obj.IsDir() {
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err = symlinkDir(srcPath, destPath)
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if err != nil {
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return err
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}
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} else {
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err = symlinkFile(srcPath, destPath)
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if err != nil {
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return err
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}
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}
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}
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return
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}
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// symlinkDirectoriesOnly finds only the first-level child directories in srcDir
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// and symlinks them into destDir.
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// Unlike symlinkDir, this is done non-recursively in order to limit the number
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// of file descriptors used.
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func symlinkDirectoriesOnly(srcDir string, destDir string) (err error) {
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srcInfo, err := os.Stat(srcDir)
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if err != nil {
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return err
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}
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err = os.MkdirAll(destDir, srcInfo.Mode())
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if err != nil {
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return err
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}
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directory, err := os.Open(srcDir)
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if err != nil {
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return err
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}
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defer directory.Close()
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objects, err := directory.Readdir(-1)
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if err != nil {
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return err
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}
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for _, obj := range objects {
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srcPath := filepath.Join(srcDir, obj.Name())
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destPath := filepath.Join(destDir, obj.Name())
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if obj.IsDir() {
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err = symlinkFile(srcPath, destPath)
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if err != nil {
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return err
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}
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}
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}
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return
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}
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