Add cli command new to create a new config file with some simple options

cli/new_config.go

@@ -0,0 +1,52 @@
+package cli
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/BurntSushi/toml"
+	"github.com/alecthomas/kingpin"
+	"github.com/alexandrebodin/tmuxctl/config"
+)
+
+func init() {
+	var newConfig = rootCmd.Command("new", "Create a new configuration")
+	filePtr := newConfig.Flag("file", "Path of the configuration file").Short('f').Default(".tmuxctlrc").String()
+	namePtr := newConfig.Flag("name", "Name of the session").Short('n').String()
+	wCount := newConfig.Flag("windows", "Count of windows").Short('w').Default("1").Int()
+	pCount := newConfig.Flag("panes", "Count of panes per window").Short('p').Default("1").Int()
+
+	newConfig.Action(func(ctx *kingpin.ParseContext) error {
+		fmt.Printf("Creating new configuration file: \"%s\"\n", *filePtr)
+
+		conf := &config.Session{
+			Name:          *namePtr,
+			WindowScripts: []string{},
+		}
+
+		if *wCount > 0 {
+			for i := 0; i < *wCount; i++ {
+				w := config.Window{
+					Scripts:     []string{},
+					PaneScripts: []string{},
+				}
+				if *pCount > 0 {
+					for j := 0; j < *pCount; j++ {
+						w.Panes = append(w.Panes, config.Pane{Scripts: []string{}})
+					}
+				}
+
+				conf.Windows = append(conf.Windows, w)
+			}
+		}
+
+		f, err := os.Create(*filePtr)
+		if err != nil {
+			return err
+		}
+
+		defer f.Close()
+
+		return toml.NewEncoder(f).Encode(conf)
+	})
+}

config/config.go

@@ -9,32 +9,32 @@ import (
 
 // Pane contains a pane configuration
 type Pane struct {
-	Dir     string
-	Zoom    bool
-	Split   string
-	Scripts []string
+	Dir     string   `toml:"dir"`
+	Zoom    bool     `toml:"zoom"`
+	Split   string   `toml:"split"`
+	Scripts []string `toml:"scripts"`
 }
 
 // Window contains a window configuration
 type Window struct {
-	Name        string
-	Dir         string
-	Layout      string
-	Sync        bool
-	Scripts     []string
-	Panes       []Pane
+	Name        string   `toml:"name"`
+	Dir         string   `toml:"dir"`
+	Layout      string   `toml:"layout"`
+	Sync        bool     `toml:"sync"`
+	Scripts     []string `toml:"scripts"`
 	PaneScripts []string `toml:"pane-scripts"`
+	Panes       []Pane   `toml:"panes"`
 }
 
 // Session contains a tmux session configuration
 type Session struct {
-	Name          string
-	Dir           string
-	ClearPanes    bool `toml:"clear-panes"`
-	Windows       []Window
+	Name          string   `toml:"name"`
+	Dir           string   `toml:"dir"`
+	ClearPanes    bool     `toml:"clear-panes"`
 	SelectWindow  string   `toml:"select-window"`
 	SelectPane    int      `toml:"select-pane"`
 	WindowScripts []string `toml:"window-scripts"`
+	Windows       []Window `toml:"windows"`
 }
 
 var (