Allow custom config path via environment variable

Signed-off-by: Steven Kriegler <61625851+justusbunsi@users.noreply.github.com>

cmd/gitea-sonarqube-bot/main.go

@@ -1,12 +1,21 @@
 package main
 
 import (
+	"os"
 	"path"
 
 	"github.com/justusbunsi/gitea-sonarqube-pr-bot/internal/settings"
 )
 
-func main() {
+func GetConfigLocation() string {
 	configPath := path.Join("config")
-	settings.Load(configPath)
+	if customConfigPath, ok := os.LookupEnv("PRBOT_CONFIG_PATH"); ok {
+		configPath = customConfigPath
+	}
+
+	return configPath
+}
+
+func main() {
+	settings.Load(GetConfigLocation())
 }

cmd/gitea-sonarqube-bot/main_test.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetConfigLocationWithDefault(t *testing.T) {
+	assert.Equal(t, "config", GetConfigLocation())
+}
+
+func TestGetConfigLocationWithEnvironmentOverride(t *testing.T) {
+	os.Setenv("PRBOT_CONFIG_PATH", "/tmp/")
+
+	assert.Equal(t, "/tmp/", GetConfigLocation())
+
+	t.Cleanup(func() {
+		os.Unsetenv("PRBOT_CONFIG_PATH")
+	})
+}

internal/settings/settings_test.go

@@ -9,8 +9,8 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-var defaultConfig []byte = []byte(`
-gitea:
+var defaultConfig []byte = []byte(
+`gitea:
   url: https://example.com/gitea
   token: 1337
   webhookSecret: {}