57 lines
1.1 KiB
Go
Executable File
57 lines
1.1 KiB
Go
Executable File
package config
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import (
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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)
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func parseLibraryRoots(raw string) ([]string, error) {
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var roots []string
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seenRoots := make(map[string]bool)
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for _, entry := range strings.Split(raw, ";") {
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entry = strings.TrimSpace(entry)
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if entry == "" {
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continue
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}
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root, err := resolveRoot(entry)
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if err != nil {
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return nil, err
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}
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if seenRoots[root] {
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continue
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}
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seenRoots[root] = true
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roots = append(roots, root)
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}
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if len(roots) == 0 {
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return nil, errors.New("LIBRARY_ROOTS must list at least one folder")
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}
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return roots, nil
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}
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func resolveRoot(entry string) (string, error) {
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cleaned := filepath.Clean(entry)
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if !filepath.IsAbs(cleaned) || cleaned == "/" {
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return "", fmt.Errorf("LIBRARY_ROOTS: invalid path %q", entry)
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}
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resolved, err := filepath.EvalSymlinks(cleaned)
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if err != nil {
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return "", fmt.Errorf("LIBRARY_ROOTS: %w", err)
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}
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info, err := os.Stat(resolved)
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if err != nil {
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return "", fmt.Errorf("LIBRARY_ROOTS: %w", err)
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}
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if !info.IsDir() {
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return "", fmt.Errorf("LIBRARY_ROOTS: %q is not a directory", entry)
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}
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return resolved, nil
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}
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