Implements

README.md

@@ -1,13 +1,33 @@
 # git-rm-merged
 
-**ALERT** Not implemented yet 🤷‍♂️
+git-rm-merged is git subcommand that removes the merged local branches.
 
-The git sub command that removes the merged local branches.
+## Description
 
-## Usage
+You can use the `git-rm-merged` as a git subcommand.
+This removes the merged local branches.
+
+**This confirms if you want to delete the target branches.**
 
-`rm-merged` removes the merged local branches.
+## Install
 
 ```
-git rm-merged
+go get -u github.com/yasukotelin/git-rm-merged
+```
+
+## Usage
+
 ```
+$ git rm-merged
+feature/#1 [y/n]:y
+feature/#2 [y/n]:n
+feature/#3 [y/n]:y
+```
+
+## Licence
+
+MIT
+
+## Author
+
+yasukotelin

git.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+	"os/exec"
+	"strings"
+)
+
+func getMergedBranches() ([]string, error) {
+	var branches []string
+	out, err := exec.Command("git", "branch", "--merged").Output()
+	if err != nil {
+		return nil, err
+	}
+
+	for _, branch := range strings.Split(string(out), "\n") {
+		branch = strings.TrimSpace(branch)
+		if (branch == "") {
+			continue
+		}
+		// * develop のようなカレントブランチは対象外
+		if strings.HasPrefix(branch, "*") {
+			continue
+		}
+		// master/developは対象外
+		if strings.Contains(branch, "master") || strings.Contains(branch, "develop") {
+			continue
+		}
+
+		branches = append(branches, branch)
+	}
+	return branches, nil
+}
+
+func delBranch(name string) error {
+	return exec.Command("git", "branch", "-d", name).Run()
+}

main.go

@@ -1,24 +1,47 @@
 package main
 
 import (
-  "fmt"
-  "log"
-  "os"
+	"fmt"
+	"log"
+	"os"
 
-  "github.com/urfave/cli"
+	"github.com/urfave/cli"
 )
 
 func main() {
-  app := cli.NewApp()
-  app.Name = "git-rm-merged"
-  app.Description = "The git sub command that removes the merged local branches."
-  app.Action = func(c *cli.Context) error {
-    fmt.Println("git-rm-merged!")
-    return nil
-  }
-
-  err := app.Run(os.Args)
-  if err != nil {
-    log.Fatal(err)
-  }
+	app := cli.NewApp()
+	app.Name = "git-rm-merged"
+	app.Version = "1.0.0"
+	app.Description = "The git sub command that removes the merged local branches."
+	app.Action = mainAction
+
+	err := app.Run(os.Args)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func mainAction(c *cli.Context) error {
+	branches, err := getMergedBranches()
+	if err != nil {
+		return err
+	}
+
+	for _, b := range branches {
+		fmt.Printf("%s [y/n]:", b)
+
+		var key string
+
+		fmt.Scanln(&key)
+		if (key != "y") {
+			continue
+		}
+
+		err := delBranch(b)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
 }