Upstream twpayne/chezmoi state of the touched files before c6778d6771

internal/chezmoi/path_unix.go

@@ -0,0 +1,46 @@
+//go:build unix
+
+package chezmoi
+
+import (
+	"path/filepath"
+	"strings"
+)
+
+var devNullAbsPath = NewAbsPath("/dev/null")
+
+// NewAbsPathFromExtPath returns a new AbsPath by converting extPath to use
+// slashes, performing tilde expansion, and making the path absolute.
+func NewAbsPathFromExtPath(extPath string, homeDirAbsPath AbsPath) (AbsPath, error) {
+	extPath = filepath.Clean(extPath)
+	switch {
+	case extPath == "~":
+		return homeDirAbsPath, nil
+	case strings.HasPrefix(extPath, "~/"):
+		return homeDirAbsPath.JoinString(extPath[2:]), nil
+	case filepath.IsAbs(extPath):
+		return NewAbsPath(extPath), nil
+	default:
+		absPath, err := filepath.Abs(extPath)
+		if err != nil {
+			return EmptyAbsPath, err
+		}
+		return NewAbsPath(absPath), nil
+	}
+}
+
+// NormalizePath returns path normalized. On non-Windows systems, normalized
+// paths are absolute paths.
+func NormalizePath(path string) (AbsPath, error) {
+	absPath, err := filepath.Abs(path)
+	if err != nil {
+		return EmptyAbsPath, err
+	}
+	return NewAbsPath(absPath), nil
+}
+
+// normalizeLinkname returns linkname normalized. On non-Windows systems, it
+// returns linkname unchanged.
+func normalizeLinkname(linkname string) string {
+	return linkname
+}