Make commands join args with spaces

This patch ensures the following commands join their arguments with
spaces to make it easier to interact with:

- cf
- mkdir
- cd
- attach
- detach
- ct
- copy
- move
- save

2 files changed, 7 insertions, 8 deletions

diff --git a/commands/account/cf.go b/commands/account/cf.go
index cbef308e..65b8810b 100644
--- a/commands/account/cf.go
+++ b/commands/account/cf.go
@@ -28,7 +28,7 @@ func (ChangeFolder) Complete(aerc *widgets.Aerc, args []string) []string {
 }
 
 func (ChangeFolder) Execute(aerc *widgets.Aerc, args []string) error {
-	if len(args) < 2 {
+	if len(args) == 1 {
 		return errors.New("Usage: cf <folder>")
 	}
 	acct := aerc.SelectedAccount()
@@ -36,17 +36,15 @@ func (ChangeFolder) Execute(aerc *widgets.Aerc, args []string) error {
 		return errors.New("No account selected")
 	}
 	previous := acct.Directories().Selected()
-	if args[1] == "-" {
+	joinedArgs := strings.Join(args[1:], " ")
+	if joinedArgs == "-" {
 		if dir, ok := history[acct.Name()]; ok {
 			acct.Directories().Select(dir)
 		} else {
 			return errors.New("No previous folder to return to")
 		}
 	} else {
-		if len(args) > 2 {
-			args[1] = strings.Join(args[1:], " ")
-		}
-		acct.Directories().Select(args[1])
+		acct.Directories().Select(joinedArgs)
 	}
 	history[acct.Name()] = previous
 
diff --git a/commands/account/mkdir.go b/commands/account/mkdir.go
index d42928e3..bb7e38a9 100644
--- a/commands/account/mkdir.go
+++ b/commands/account/mkdir.go
@@ -2,6 +2,7 @@ package account
 
 import (
 	"errors"
+	"strings"
 	"time"
 
 	"github.com/gdamore/tcell"
@@ -25,14 +26,14 @@ func (MakeDir) Complete(aerc *widgets.Aerc, args []string) []string {
 }
 
 func (MakeDir) Execute(aerc *widgets.Aerc, args []string) error {
-	if len(args) != 2 {
+	if len(args) == 0 {
 		return errors.New("Usage: :mkdir <name>")
 	}
 	acct := aerc.SelectedAccount()
 	if acct == nil {
 		return errors.New("No account selected")
 	}
-	name := args[1]
+	name := strings.Join(args[1:], " ")
 	acct.Worker().PostAction(&types.CreateDirectory{
 		Directory: name,
 	}, func(msg types.WorkerMessage) {