Merge pull request #1629 from ksylvan/0717-ensure-envFile

Create Default (empty) .env in ~/.config/fabric on Demand

internal/cli/cli.go

@@ -19,6 +19,12 @@ func Cli(version string) (err error) {
 		return
 	}
 
+	if currentFlags.Setup {
+		if err = ensureEnvFile(); err != nil {
+			return
+		}
+	}
+
 	if currentFlags.Version {
 		fmt.Println(version)
 		return

internal/cli/initialization.go

@@ -1,6 +1,7 @@
 package cli
 
 import (
+	"fmt"
 	"os"
 	"path/filepath"
 
@@ -8,6 +9,9 @@ import (
 	"github.com/danielmiessler/fabric/internal/plugins/db/fsdb"
 )
 
+const ConfigDirPerms os.FileMode = 0755
+const EnvFilePerms os.FileMode = 0644
+
 // initializeFabric initializes the fabric database and plugin registry
 func initializeFabric() (registry *core.PluginRegistry, err error) {
 	var homedir string
@@ -26,3 +30,27 @@ func initializeFabric() (registry *core.PluginRegistry, err error) {
 
 	return
 }
+
+// ensureEnvFile checks for the default ~/.config/fabric/.env file and creates it
+// along with the parent directory if it does not exist.
+func ensureEnvFile() (err error) {
+	var homedir string
+	if homedir, err = os.UserHomeDir(); err != nil {
+		return fmt.Errorf("could not determine user home directory: %w", err)
+	}
+	configDir := filepath.Join(homedir, ".config", "fabric")
+	envPath := filepath.Join(configDir, ".env")
+
+	if _, statErr := os.Stat(envPath); statErr != nil {
+		if !os.IsNotExist(statErr) {
+			return fmt.Errorf("could not stat .env file: %w", statErr)
+		}
+		if err = os.MkdirAll(configDir, ConfigDirPerms); err != nil {
+			return fmt.Errorf("could not create config directory: %w", err)
+		}
+		if err = os.WriteFile(envPath, []byte{}, EnvFilePerms); err != nil {
+			return fmt.Errorf("could not create .env file: %w", err)
+		}
+	}
+	return
+}