Allow to use env vars in config

config/config_file_parse.go

@@ -3,6 +3,7 @@ package config
 import (
 	"errors"
 	"fmt"
+	"os"
 	"strings"
 
 	"gopkg.in/yaml.v3"
@@ -13,6 +14,8 @@ func GetRepositoryConfig(data []byte, fileExtension string) (Configuration, erro
 	var config Configuration
 	var err error
 
+	data = []byte(os.ExpandEnv(string(data)))
+
 	switch fileExtension {
 	case "yaml":
 		err = yaml.Unmarshal(data, &config)

config/config_file_parse_test.go

@@ -2,37 +2,14 @@ package config
 
 import (
 	"fmt"
+	"os"
 	"reflect"
 	"testing"
 )
 
-var exampleYamlConfig = []byte(`
-workspace: /tmp
-repositories:
-  - src: "https://github.com/example/example.git"
-    dest: "example/path"
-    name: "custom_example"
-  - src: https://github.com/example/example2.git
-`)
-
-var destinationConfiguration = Configuration{
-	Workspace: "/tmp",
-	Repositories: []RepositoryConfig{
-		{
-			Name: "custom_example",
-			Dest: "example/path",
-			Src:  "https://github.com/example/example.git",
-		},
-		{
-			Name: "example2",
-			Src:  "https://github.com/example/example2.git",
-			Dest: "example2",
-		},
-	},
-}
-
 func TestNotSupportedFileExcension(t *testing.T) {
-	_, err := GetRepositoryConfig(exampleYamlConfig, "custom")
+
+	_, err := GetRepositoryConfig([]byte("test"), "custom")
 	if err == nil {
 		t.Error("Expected to get error")
 	}
@@ -43,6 +20,33 @@ func TestNotSupportedFileExcension(t *testing.T) {
 
 func TestGetRepositoryConfigFromYaml(t *testing.T) {
 
+	var exampleYamlConfig = []byte(`
+workspace: ${HOME}
+repositories:
+  - src: "https://github.com/example/example.git"
+    dest: "example/path"
+    name: "custom_example"
+  - src: https://github.com/example/example2.git
+`)
+
+	homedir, _ := os.UserHomeDir()
+
+	var destinationConfiguration = Configuration{
+		Workspace: homedir,
+		Repositories: []RepositoryConfig{
+			{
+				Name: "custom_example",
+				Dest: "example/path",
+				Src:  "https://github.com/example/example.git",
+			},
+			{
+				Name: "example2",
+				Src:  "https://github.com/example/example2.git",
+				Dest: "example2",
+			},
+		},
+	}
+
 	result, err := GetRepositoryConfig(exampleYamlConfig, "yaml")
 
 	if err != nil {