photoprism/pkg/fs/walk.go
Michael Mayer fe28c7d284 Backend: Add support for .ppignore files #233 #287
Signed-off-by: Michael Mayer <michael@liquidbytes.net>
2020-05-03 14:40:59 +02:00

43 lines
1.1 KiB
Go

package fs
import (
"os"
"path/filepath"
)
// SkipWalk returns true if the file or directory should be skipped in godirwalk.Walk()
func SkipWalk(fileName string, isDir, isSymlink bool, done map[string]bool, ignore *IgnoreList) (skip bool, result error) {
isDone := done[fileName]
isIgnored := ignore.Ignore(fileName)
done[fileName] = true
if isSymlink {
// Symlinks are skipped by default unless they are links to directories
skip = true
// Symlink points to directory?
if link, err := os.Stat(fileName); err == nil && link.IsDir() {
resolved, err := filepath.EvalSymlinks(fileName)
if err != nil || isIgnored || isDone || done[resolved] {
result = filepath.SkipDir
} else {
// Don't traverse symlinks if they are hidden or already done...
done[resolved] = true
}
}
} else if isDir {
skip = true
if isIgnored || isDone {
// Don't traverse directories if they are hidden or already done...
result = filepath.SkipDir
}
} else if isIgnored || isDone {
// Skip files that are hidden or already done...
skip = true
}
return skip, result
}