Create aliasPath and expandPath function to store records with alias …

…like ~ and $InitWorkdingDir. And expand paths to use internally

pkg/config/config.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"os"
 	"path/filepath"
+	"strings"
 
 	"gopkg.in/yaml.v3"
 )
@@ -77,10 +78,32 @@ func AddRecord(sourcePath, destinationPath string) error {
 
 	recordSlice := []string{}
 	recordSlice = append(recordSlice, sourcePath, destinationPath)
-	configuration.Record = append(configuration.Record, recordSlice)
+	configuration.Record = append(configuration.Record, aliasPath(recordSlice))
 
 	if err := writeConfig(configuration); err != nil {
 		return err
 	}
 	return nil
 }
+
+func aliasPath(paths []string) []string {
+	for i, path := range paths {
+		if strings.HasPrefix(path, CurrentWorkingDirectory) {
+			paths[i] = strings.Replace(path, CurrentWorkingDirectory, "$init_directory", 1)
+		} else if strings.HasPrefix(path, HomeDirectory) {
+			paths[i] = strings.Replace(path, HomeDirectory, "~", 1)
+		}
+	}
+	return paths
+}
+
+func expandPath(paths []string) []string {
+	for i, path := range paths {
+		if strings.HasPrefix(path, "$init_directory") {
+			paths[i] = strings.Replace(path, "$init_directory", CurrentWorkingDirectory, 1)
+		} else if strings.HasPrefix(path, "~") {
+			paths[i] = strings.Replace(path, "~", HomeDirectory, 1)
+		}
+	}
+	return paths
+}

pkg/config/io.go

@@ -46,6 +46,10 @@ func loadConfig(configPath string) (appConfig, error) {
 	if err != nil {
 		return appConfig{}, fmt.Errorf("Error loading data to appConfig{}: %w", err)
 	}
+
+	for i, record := range config.Record {
+		config.Record[i] = expandPath(record)
+	}
 	return config, nil
 }