initial commit

pkgs/misc/misc.go

@@ -0,0 +1,41 @@
+// Copyright 2021 Clayton Craft <clayton@craftyguy.net>
+// SPDX-License-Identifier: GPL-3.0-or-later
+package misc
+
+import (
+	"log"
+	"os"
+	"path/filepath"
+)
+
+type StringSet map[string]bool
+
+// Converts a relative symlink target path (e.g. ../../lib/foo.so), that is
+// absolute path
+func RelativeSymlinkTargetToDir(symPath string, dir string) (string, error) {
+	var path string
+
+	oldWd, err := os.Getwd()
+	if err != nil {
+		log.Print("Unable to get current working dir")
+		return path, err
+	}
+
+	if err := os.Chdir(dir); err != nil {
+		log.Print("Unable to change to working dir: ", dir)
+		return path, err
+	}
+
+	path, err = filepath.Abs(symPath)
+	if err != nil {
+		log.Print("Unable to resolve abs path to: ", symPath)
+		return path, err
+	}
+
+	if err := os.Chdir(oldWd); err != nil {
+		log.Print("Unable to change to old working dir")
+		return path, err
+	}
+
+	return path, nil
+}