✨ add stop command

Closes #7

cmd/stop.go

@@ -0,0 +1,55 @@
+/*
+Copyright © 2021 James Walker <walkah@walkah.net>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"github.com/walkah/workon/tmux"
+)
+
+// stopCmd represents the stop command
+var stopCmd = &cobra.Command{
+	Use:   "stop",
+	Short: "Stop a running project",
+	Args:  cobra.RangeArgs(0, 1),
+	Run: func(cmd *cobra.Command, args []string) {
+		var projects []string
+		if len(args) == 0 {
+			t := tmux.Tmux{}
+			projects = t.ListSessions()
+		} else {
+			projects = args
+		}
+
+		for _, project := range projects {
+			fmt.Println("stopping", project)
+			tmux.StopProject(project)
+		}
+	},
+	ValidArgsFunction: completeProjects,
+}
+
+func init() {
+	rootCmd.AddCommand(stopCmd)
+}

tmux/project.go

@@ -19,6 +19,7 @@ type Project struct {
 	Name           string   `yaml:"name"`
 	Root           string   `yaml:"root"`
 	OnProjectStart []string `yaml:"on_project_start,omitempty"`
+	OnProjectStop  []string `yaml:"on_project_stop,omitempty"`
 	Windows        []Window `yaml:"windows"`
 }
 
@@ -33,37 +34,38 @@ func StartProject(name string) {
 
 	if !sessionExists(name) {
 		// Run startup commands
-		if len(p.OnProjectStart) > 0 {
+		p.RunCommands(p.OnProjectStart)
-			for _, command := range p.OnProjectStart {
-				args := strings.Fields(command)
-				cmd := exec.Command(args[0], args[1:]...)
-				cmd.Dir = p.GetRoot()
-				cmd.Stdout = os.Stdout
-				cmd.Stderr = os.Stderr
-				err := cmd.Run()
-				if err != nil {
-					fmt.Println("Unable to run start command:", err)
-					os.Exit(1)
-				}
-			}
-		}
 
 		tmux.Run("new-session", "-d", "-s", name, "-n", p.Windows[0].Name, "-c", p.Windows[0].Root)
-
 		for index, window := range p.Windows {
 			if index > 0 {
 				window.Create(tmux)
 			}
-
 			window.SendCommands(tmux)
 		}
-
 		p.Windows[0].Focus(tmux)
 	}
 
 	tmux.Attach(name)
 }
 
+func StopProject(name string) {
+	if !sessionExists(name) {
+		return
+	}
+
+	t := Tmux{}
+	t.KillSession(name)
+
+	p, err := LoadProject(name)
+	if err != nil {
+		fmt.Println("Unable to load project:", err)
+		os.Exit(1)
+	}
+
+	p.RunCommands(p.OnProjectStop)
+}
+
 func ListProjects() error {
 	projects, err := ProjectList()
 	if err != nil {
@@ -194,6 +196,21 @@ func (p *Project) GetRoot() string {
 	return rootPath
 }
 
+func (p *Project) RunCommands(commands []string) {
+	for _, command := range commands {
+		args := strings.Fields(command)
+		cmd := exec.Command(args[0], args[1:]...)
+		cmd.Dir = p.GetRoot()
+		cmd.Stdout = os.Stdout
+		cmd.Stderr = os.Stderr
+		err := cmd.Run()
+		if err != nil {
+			fmt.Println("Unable to run command:", err)
+			os.Exit(1)
+		}
+	}
+}
+
 func getConfigDir() string {
 	home, _ := homedir.Dir()
 	return path.Join(home, ".workon")

tmux/tmux.go

@@ -54,6 +54,11 @@ func (t *Tmux) ListSessions() []string {
 	return strings.Split(lines, "\n")
 }
 
+func (t *Tmux) KillSession(name string) error {
+	_, err := t.Exec("kill-session", "-t", name)
+	return err
+}
+
 func (t *Tmux) getBinary() string {
 	if t.BinPath != "" {
 		return t.BinPath