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