58 lines
1.6 KiB
Go
58 lines
1.6 KiB
Go
package fs
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import (
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"os"
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"path/filepath"
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)
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// SkipWalk returns true if the file or directory should be skipped in godirwalk.Walk()
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func SkipWalk(fileName string, isDir, isSymlink bool, done Done, ignore *IgnoreList) (skip bool, result error) {
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isDone := done[fileName].Exists()
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isIgnored := ignore.Ignore(fileName)
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if isSymlink {
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// Check if symlink points to a directory.
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if link, err := os.Stat(fileName); err == nil && link.IsDir() {
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// Skip directories.
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skip = true
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resolved, evalErr := filepath.EvalSymlinks(fileName)
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if evalErr != nil || isIgnored || isDone || done[resolved].Exists() {
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// Skip symlinked directories that have errors, are hidden, or are already done.
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result = filepath.SkipDir
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} else if FileExists(filepath.Join(resolved, PPStorageFilename)) {
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// Skip symlinked directories that contain a .ppstorage file.
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isIgnored = true
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result = filepath.SkipDir
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} else {
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// Flag the symlink target as processed.
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done[resolved] = Found
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}
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} else if err != nil {
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// Also skip on error.
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skip = true
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result = filepath.SkipDir
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}
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} else if isDir {
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skip = true
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if isIgnored || isDone {
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// Skip directories that are hidden or already done.
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result = filepath.SkipDir
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} else if FileExists(filepath.Join(fileName, PPStorageFilename)) {
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// Skip directories that contain a .ppstorage file.
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isIgnored = true
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result = filepath.SkipDir
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}
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} else if isIgnored || isDone {
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// Skip files that are hidden or already done.
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skip = true
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}
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if skip {
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done[fileName] = Found
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}
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return skip, result
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}
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