github.com/terhitormanen/cmd@v1.1.4/revel/package.go (about) 1 // Copyright (c) 2012-2016 The Revel Framework Authors, All rights reserved. 2 // Revel Framework source code and usage is governed by a MIT style 3 // license that can be found in the LICENSE file. 4 5 package main 6 7 import ( 8 "fmt" 9 "io/ioutil" 10 "os" 11 "path/filepath" 12 13 "github.com/terhitormanen/cmd/model" 14 "github.com/terhitormanen/cmd/utils" 15 ) 16 17 var cmdPackage = &Command{ 18 UsageLine: "package [-r [run mode]] [application] ", 19 Short: "package a Revel application (e.g. for deployment)", 20 Long: ` 21 Package the Revel web application named by the given import path. 22 This allows it to be deployed and run on a machine that lacks a Go installation. 23 24 The run mode is used to select which set of app.conf configuration should 25 apply and may be used to determine logic in the application itself. 26 27 Run mode defaults to "dev". 28 29 For example: 30 31 revel package github.com/terhitormanen/examples/chat 32 `, 33 } 34 35 func init() { 36 cmdPackage.RunWith = packageApp 37 cmdPackage.UpdateConfig = updatePackageConfig 38 } 39 40 // Called when unable to parse the command line automatically and assumes an old launch. 41 func updatePackageConfig(c *model.CommandConfig, args []string) bool { 42 c.Index = model.PACKAGE 43 if len(args) == 0 && c.Package.ImportPath != "" { 44 return true 45 } 46 c.Package.ImportPath = args[0] 47 if len(args) > 1 { 48 c.Package.Mode = args[1] 49 } 50 return true 51 } 52 53 // Called to package the app. 54 func packageApp(c *model.CommandConfig) (err error) { 55 // Determine the run mode. 56 mode := c.Package.Mode 57 58 appImportPath := c.ImportPath 59 revelPaths, err := model.NewRevelPaths(mode, appImportPath, c.AppPath, model.NewWrappedRevelCallback(nil, c.PackageResolver)) 60 if err != nil { 61 return 62 } 63 64 // Remove the archive if it already exists. 65 destFile := filepath.Join(c.AppPath, filepath.Base(revelPaths.BasePath)+".tar.gz") 66 if c.Package.TargetPath != "" { 67 if filepath.IsAbs(c.Package.TargetPath) { 68 destFile = c.Package.TargetPath 69 } else { 70 destFile = filepath.Join(c.AppPath, c.Package.TargetPath) 71 } 72 } 73 if err := os.Remove(destFile); err != nil && !os.IsNotExist(err) { 74 return utils.NewBuildError("Unable to remove target file", "error", err, "file", destFile) 75 } 76 77 // Collect stuff in a temp directory. 78 tmpDir, err := ioutil.TempDir("", filepath.Base(revelPaths.BasePath)) 79 utils.PanicOnError(err, "Failed to get temp dir") 80 81 // Build expects the command the build to contain the proper data 82 c.Build.Mode = c.Package.Mode 83 c.Build.TargetPath = tmpDir 84 c.Build.CopySource = c.Package.CopySource 85 if err = buildApp(c); err != nil { 86 return 87 } 88 89 // Create the zip file. 90 91 archiveName, err := utils.TarGzDir(destFile, tmpDir) 92 if err != nil { 93 return 94 } 95 96 fmt.Println("Your archive is ready:", archiveName) 97 return 98 }