Merge pull request #28 from mikoto2000/add-self-update

Add self-update command to devcontainer.vim

README.md

@@ -23,18 +23,19 @@ VERSION:
    1.0.11
 
 COMMANDS:
-   run        Run container use `docker run`
-   templates  Run `devcontainer templates`
-   start      Run `devcontainer up` and `devcontainer exec`
-   stop       Stop devcontainers.
-   down       Stop and remove devcontainers.
-   config     devcontainer.vim's config information.
-   vimrc      devcontainer.vim's vimrc information.
-   runargs    run subcommand's default arguments.
-   tool       Management tools
-   clean      clean workspace cache files.
-   index      Management index file
-   help, h    Shows a list of commands or help for one command
+   run          Run container use `docker run`
+   templates    Run `devcontainer templates`
+   start        Run `devcontainer up` and `devcontainer exec`
+   stop         Stop devcontainers.
+   down         Stop and remove devcontainers.
+   config       devcontainer.vim's config information.
+   vimrc        devcontainer.vim's vimrc information.
+   runargs      run subcommand's default arguments.
+   tool         Management tools
+   clean        clean workspace cache files.
+   index        Management index file
+   self-update  Update devcontainer.vim itself
+   help, h      Shows a list of commands or help for one command
 
 GLOBAL OPTIONS:
    --license, -l  show licensesa.
@@ -105,6 +106,13 @@ devcontainer.vim tool vim download
 devcontainer.vim tool devcontainer download
 ```
 
+#### devcontainer.vim 自身のアップデート
+
+`self-update` サブコマンドを使用して、 `devcontainer.vim` 自身を最新バージョンに更新できます。
+
+```sh
+devcontainer.vim self-update
+```
 
 ### テンプレートをもとに `devcontainer.json` を作成する
 

main.go

@@ -80,7 +80,7 @@ func main() {
 	// vimrc ファイルの出力先を組み立て
 	// vimrc を出力(既に存在するなら何もしない)
 	vimrc := filepath.Join(appConfigDir, "vimrc")
-	if !util.IsExists(vimrc) {
+	if (!util.IsExists(vimrc)) {
 		err := util.CreateFileWithContents(vimrc, additionalVimrc, 0666)
 		if err != nil {
 			panic(err)
@@ -91,7 +91,7 @@ func main() {
 	// runargs ファイルの出力先を組み立て
 	// runargs を出力(既に存在するなら何もしない)
 	runargs := filepath.Join(appConfigDir, "runargs")
-	if !util.IsExists(runargs) {
+	if (!util.IsExists(runargs)) {
 		err := util.CreateFileWithContents(runargs, runargsContent, 0666)
 		if err != nil {
 			panic(err)
@@ -193,7 +193,7 @@ func main() {
 							// Features の一覧をダウンロード
 							indexFileName := "devcontainer-index.json"
 							indexFile := filepath.Join(appCacheDir, indexFileName)
-							if !util.IsExists(indexFile) {
+							if (!util.IsExists(indexFile)) {
 								fmt.Println("Download template index ... ")
 								oras.Pull("ghcr.io/devcontainers/index", "latest", appCacheDir)
 								fmt.Println("done.")
@@ -634,6 +634,18 @@ func main() {
 					},
 				},
 			},
+			{
+				Name:      "self-update",
+				Usage:     "Update devcontainer.vim itself",
+				UsageText: "devcontainer.vim self-update",
+				Action: func(cCtx *cli.Context) error {
+					err := tools.SelfUpdate()
+					if err != nil {
+						panic(err)
+					}
+					return nil
+				},
+			},
 		},
 	})
 

tools/tools.go

@@ -6,6 +6,7 @@ import (
 	"net/http"
 	"os"
 	"path/filepath"
+	"runtime"
 	"strings"
 	"text/template"
 
@@ -194,3 +195,48 @@ func InstallDownTools(installDir string) (string, error) {
 	devcontainerPath, err := DEVCONTAINER.Install(installDir, false)
 	return devcontainerPath, err
 }
+
+// SelfUpdate downloads the latest release of devcontainer.vim from GitHub and replaces the current binary
+func SelfUpdate() error {
+	// Get the latest release tag name from GitHub
+	latestTagName, err := util.GetLatestReleaseFromGitHub("mikoto2000", "devcontainer.vim")
+	if err != nil {
+		return err
+	}
+
+	// Construct the download URL for the latest release
+	var downloadURL string
+	if runtime.GOOS == "windows" {
+		downloadURL = fmt.Sprintf("https://github.com/mikoto2000/devcontainer.vim/releases/download/%s/devcontainer.vim-windows-amd64.exe", latestTagName)
+	} else if runtime.GOOS == "darwin" {
+		downloadURL = fmt.Sprintf("https://github.com/mikoto2000/devcontainer.vim/releases/download/%s/devcontainer.vim-darwin-amd64", latestTagName)
+	} else {
+		downloadURL = fmt.Sprintf("https://github.com/mikoto2000/devcontainer.vim/releases/download/%s/devcontainer.vim-linux-amd64", latestTagName)
+	}
+
+	// Download the latest release
+	executablePath, err := os.Executable()
+	if err != nil {
+		return err
+	}
+
+	// Rename the current binary to avoid "text file busy" error
+	tempPath := executablePath + ".old"
+	err = os.Rename(executablePath, tempPath)
+	if err != nil {
+		return err
+	}
+
+	_, err = simpleInstall(downloadURL, executablePath)
+	if err != nil {
+		// Restore the original binary if download fails
+		os.Rename(tempPath, executablePath)
+		return err
+	}
+
+	// Remove the old binary
+	os.Remove(tempPath)
+
+	fmt.Println("devcontainer.vim has been updated to the latest version.")
+	return nil
+}