New project commands (#24)

* Add new/edit commands

Makefile

@@ -15,6 +15,7 @@ ifndef GITHUB_TOKEN
 	$(error GITHUB_TOKEN is not defined)
 endif
 	sed -E -i.bak $(VERSION_REGEX) 'main.go' && rm main.go.bak
+	git commit -am 'Update version to $(version)'
 	git tag -a $(version) -m '$(version)'
 	git push origin $(version)
 	goreleaser --rm-dist

README.md

@@ -44,6 +44,7 @@ go install
 smug <command> [<project>] [-f, --file <file>] [-w, --windows <window>]... [-a, --attach] [-d, --debug]
 ```
 
+
 ### Options:
 
 ```
@@ -55,6 +56,14 @@ smug <command> [<project>] [-f, --file <file>] [-w, --windows <window>]... [-a,
 
 ### Examples
 
+To create a new project, or edit an existing one in the `$EDITOR`:
+
+```console
+xyz@localhost:~$ smug new project
+
+xyz@localhost:~$ smug edit project
+```
+
 To start/stop a project and all windows, run:
 
 ```console

config.go

@@ -1,6 +1,12 @@
 package main
 
-import "gopkg.in/yaml.v2"
+import (
+	"io/ioutil"
+	"os"
+	"os/exec"
+
+	"gopkg.in/yaml.v2"
+)
 
 type Pane struct {
 	Root     string   `yaml:"root"`
@@ -26,14 +32,36 @@ type Config struct {
 	Windows     []Window `yaml:"windows"`
 }
 
-func ParseConfig(data string) (*Config, error) {
+func EditConfig(path string) error {
+	editor := os.Getenv("EDITOR")
+	if editor == "" {
+		editor = "vim"
+	}
+
+	cmd := exec.Command(editor, path)
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+
+	return cmd.Run()
+}
+
+func GetConfig(path string) (Config, error) {
+	f, err := ioutil.ReadFile(path)
+	if err != nil {
+		return Config{}, err
+	}
+
+	return ParseConfig(string(f))
+}
+
+func ParseConfig(data string) (Config, error) {
 	c := Config{}
 
 	err := yaml.Unmarshal([]byte(data), &c)
-
 	if err != nil {
-		return nil, err
+		return Config{}, err
 	}
 
-	return &c, nil
+	return c, nil
 }

main.go

@@ -2,13 +2,12 @@ package main
 
 import (
 	"fmt"
-	"io/ioutil"
 	"log"
 	"os"
 	"path/filepath"
 )
 
-const version = "v0.1.6"
+const version = "v0.1.7"
 
 var usage = fmt.Sprintf(`Smug - tmux session manager. Version %s
 
@@ -55,18 +54,6 @@ func main() {
 		configPath = filepath.Join(userConfigDir, options.Project+".yml")
 	}
 
-	f, err := ioutil.ReadFile(configPath)
-	if err != nil {
-		fmt.Fprintln(os.Stderr, err.Error())
-		os.Exit(1)
-	}
-
-	config, err := ParseConfig(string(f))
-	if err != nil {
-		fmt.Fprintln(os.Stderr, err.Error())
-		os.Exit(1)
-	}
-
 	var logger *log.Logger
 	if options.Debug {
 		logFile, err := os.Create(filepath.Join(userConfigDir, "smug.log"))
@@ -89,10 +76,15 @@ func main() {
 		} else {
 			fmt.Println("Starting new windows...")
 		}
-		err = smug.Start(*config, options, context)
+		config, err := GetConfig(configPath)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+		}
+
+		err = smug.Start(config, options, context)
 		if err != nil {
 			fmt.Println("Oops, an error occurred! Rolling back...")
-			smug.Stop(*config, options, context)
+			smug.Stop(config, options, context)
 		}
 	case CommandStop:
 		if len(options.Windows) == 0 {
@@ -100,11 +92,21 @@ func main() {
 		} else {
 			fmt.Println("Killing windows...")
 		}
-		err = smug.Stop(*config, options, context)
-	}
+		config, err := GetConfig(configPath)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+		}
 
-	if err != nil {
-		fmt.Fprintln(os.Stderr, err.Error())
-		os.Exit(1)
+		err = smug.Stop(config, options, context)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+		}
+	case CommandNew:
+	case CommandEdit:
+		err := EditConfig(configPath)
+		if err != nil {
+			fmt.Fprintf(os.Stderr, err.Error())
+		}
 	}
+
 }

options.go

@@ -10,9 +10,11 @@ import (
 const (
 	CommandStart = "start"
 	CommandStop  = "stop"
+	CommandNew   = "new"
+	CommandEdit  = "edit"
 )
 
-var validCommands = []string{CommandStart, CommandStop}
+var validCommands = []string{CommandStart, CommandStop, CommandNew, CommandEdit}
 
 type Options struct {
 	Command string