Update to rc.2 | NEW: iris run main.go https://github.com/kataras/iris/issues/192

Not tested on linux yet,(I do not have a linux station now). Post an issue if iris run main.go doesnt works as expected
2026-03-03 06:56:17 +00:00 · 2016-06-20 11:59:36 +03:00
parent 39e1504ba3
commit e9a4746000
10 changed files with 336 additions and 175 deletions
--- a/iris/create.go
+++ b/iris/create.go
@@ -0,0 +1,131 @@
+package main
+
+import (
+	"io/ioutil"
+	"os"
+	"runtime"
+	"strings"
+
+	"github.com/kataras/cli"
+	"github.com/kataras/iris/utils"
+)
+
+const (
+	// PackagesURL the url to download all the packages
+	PackagesURL = "https://github.com/iris-contrib/iris-command-assets/archive/master.zip"
+	// PackagesExportedName the folder created after unzip
+	PackagesExportedName = "iris-command-assets-master"
+)
+
+var (
+	packagesInstallDir = utils.AssetsDirectory + utils.PathSeparator + "iris-command-assets" + utils.PathSeparator
+)
+
+func create(flags cli.Flags) (err error) {
+
+	if !utils.DirectoryExists(packagesInstallDir) || !flags.Bool("offline") {
+		downloadPackages()
+	}
+
+	targetDir := flags.String("dir")
+
+	// remove first and last / if any
+	if strings.HasPrefix(targetDir, "./") || strings.HasPrefix(targetDir, "."+utils.PathSeparator) {
+		targetDir = targetDir[2:]
+	}
+	if targetDir[len(targetDir)-1] == '/' {
+		targetDir = targetDir[0 : len(targetDir)-1]
+	}
+	//
+
+	createPackage(flags.String("type"), targetDir)
+	return
+}
+
+func downloadPackages() {
+	errMsg := "\nProblem while downloading the assets from the internet for the first time. Trace: %s"
+
+	installedDir, err := utils.Install(PackagesURL, packagesInstallDir)
+	if err != nil {
+		printer.Dangerf(errMsg, err.Error())
+		return
+	}
+
+	// installedDir is the packagesInstallDir+PackagesExportedName, we will copy these contents to the parent, to the packagesInstallDir, because of import paths.
+
+	err = utils.CopyDir(installedDir, packagesInstallDir)
+	if err != nil {
+		printer.Dangerf(errMsg, err.Error())
+		return
+	}
+
+	// we don't exit on errors here.
+
+	// try to remove the unzipped folder
+	utils.RemoveFile(installedDir[0 : len(installedDir)-1])
+}
+
+func createPackage(packageName string, targetDir string) error {
+	installTo := os.Getenv("GOPATH") + utils.PathSeparator + "src" + utils.PathSeparator + targetDir
+
+	packageDir := packagesInstallDir + utils.PathSeparator + packageName
+	err := utils.CopyDir(packageDir, installTo)
+	if err != nil {
+		printer.Dangerf("\nProblem while copying the %s package to the %s. Trace: %s", packageName, installTo, err.Error())
+		return err
+	}
+
+	// now replace main.go's 'github.com/iris-contrib/iris-command-assets/basic/' with targetDir
+	// hardcode all that, we don't have anything special and neither will do
+	targetDir = strings.Replace(targetDir, "\\", "/", -1) // for any case
+	mainFile := installTo + utils.PathSeparator + "backend" + utils.PathSeparator + "main.go"
+
+	input, err := ioutil.ReadFile(mainFile)
+	if err != nil {
+		printer.Warningf("Error while preparing main file: %#v", err)
+	}
+
+	output := strings.Replace(string(input), "github.com/iris-contrib/iris-command-assets/"+packageName+"/", targetDir+"/", -1)
+
+	err = ioutil.WriteFile(mainFile, []byte(output), 0644)
+	if err != nil {
+		printer.Warningf("Error while preparing main file: %#v", err)
+	}
+
+	printer.Infof("%s package was installed successfully [%s]", packageName, installTo)
+
+	// build & run the server
+
+	// go build
+	buildCmd := utils.CommandBuilder("go", "build")
+	if installTo[len(installTo)-1] != os.PathSeparator || installTo[len(installTo)-1] != '/' {
+		installTo += utils.PathSeparator
+	}
+	buildCmd.Dir = installTo + "backend"
+	buildCmd.Stderr = os.Stderr
+	err = buildCmd.Start()
+	if err != nil {
+		printer.Warningf("\n Failed to build the %s package. Trace: %s", packageName, err.Error())
+	}
+	buildCmd.Wait()
+	print("\n\n")
+
+	// run backend/backend(.exe)
+	executable := "backend"
+	if runtime.GOOS == "windows" {
+		executable += ".exe"
+	}
+
+	runCmd := utils.CommandBuilder("." + utils.PathSeparator + executable)
+	runCmd.Dir = buildCmd.Dir
+	runCmd.Stdout = os.Stdout
+	runCmd.Stderr = os.Stderr
+
+	err = runCmd.Start()
+	if err != nil {
+		printer.Warningf("\n Failed to run the %s package. Trace: %s", packageName, err.Error())
+	}
+	runCmd.Wait()
+
+	return err
+}