Simplify decrypt command

2 files changed, 15 insertions, 13 deletions

diff --git a/cmd/goaes/commands/decrypt.go b/cmd/goaes/commands/decrypt.go
index 9168a00..1fcd83e 100644
--- a/cmd/goaes/commands/decrypt.go
+++ b/cmd/goaes/commands/decrypt.go
@@ -12,8 +12,16 @@ import (
 )
 
 func Decrypt(ctx context.Context, cmd *cli.Command) error {
-	source := cmd.String("source")
-	destination := cmd.String("destination")
+	source := cmd.StringArg("source")
+	destination := cmd.StringArg("destination")
+
+	if source == "" {
+		return cli.Exit("missing source", 2)
+	}
+
+	if destination == "" {
+		return cli.Exit("missing destination", 2)
+	}
 
 	source = filepath.Clean(source)
 	file, err := os.Open(source)
diff --git a/cmd/goaes/main.go b/cmd/goaes/main.go
index 770fb57..2722099 100644
--- a/cmd/goaes/main.go
+++ b/cmd/goaes/main.go
@@ -47,18 +47,12 @@ func main() {
 				Aliases: []string{"d"},
 				Usage:   "Decrypt a file",
 				Action:  commands.Decrypt,
-				Flags: []cli.Flag{
-					&cli.StringFlag{
-						Name:     "source",
-						Aliases:  []string{"s", "i"},
-						Usage:    "source file to decrypt",
-						Required: true,
+				Arguments: []cli.Argument{
+					&cli.StringArg{
+						Name: "source",
 					},
-					&cli.StringFlag{
-						Name:     "destination",
-						Aliases:  []string{"d", "o"},
-						Usage:    "where to write the decrypted file",
-						Required: true,
+					&cli.StringArg{
+						Name: "destination",
 					},
 				},
 			},