Spike on clone + search & replace

cmd/commands.go

@@ -47,6 +47,25 @@ var tutCmd = &cobra.Command{
 	},
 }
 
+var cloneCmd = &cobra.Command{
+	Use:   "clone [cloneUser] [cloneRepo] [user] [repo]",
+	Short: "clone an SDK app and make your own",
+	Args:  cobra.ExactArgs(4),
+	Run: func(cmd *cobra.Command, args []string) {
+		cln := UserRepoArgs{
+			CloneUser: args[0],
+			CloneRepo: args[1],
+			User:      args[2],
+			Repo:      args[3],
+		}
+		err := clone(cln)
+		if err != nil {
+			fmt.Println(err)
+			return
+		}
+	},
+}
+
 // moduleCmd
 var moduleCmd = &cobra.Command{
 	Use:   "module [user] [repo] [moduleName]",

cmd/root.go

@@ -41,6 +41,8 @@ type UserRepoArgs struct {
 	Dir                  string `json:"dir"`
 	User                 string `json:"user"`
 	Repo                 string `json:"repo"`
+	CloneUser            string `json:"cloneUser"`
+	CloneRepo            string `json:"cloneRepo"`
 	NameRaw              string `json:"nameRaw"`
 	NameLowerCase        string `json:"nameLowerCase"`
 	NameCapitalCamelCase string `json:"nameCapitalCamelCase"`
@@ -68,7 +70,7 @@ func init() {
 	rootCmd.PersistentFlags().StringVarP(&outputPath, "output-path", "o", "", "Path to output")
 
 	// Commands for scaffolding
-	rootCmd.AddCommand(tutCmd, appCmd, moduleCmd)
+	rootCmd.AddCommand(tutCmd, appCmd, moduleCmd, cloneCmd)
 
 	// Cobra also supports local flags, which will only run
 	// when this action is called directly.

cmd/utils.go

@@ -1,13 +1,99 @@
 package cmd
 
 import (
+	"errors"
 	"fmt"
+	"io/ioutil"
+	"log"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"strings"
 	"text/template"
 )
 
+// clones an sdk repository and replaces the username and repo name with options from UserRepoArgs
+func clone(args UserRepoArgs) error {
+	tmp, err := ioutil.TempDir("", "scaffold-clone-")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer os.RemoveAll(tmp) // clean up
+
+	cmd := exec.Command("git", "clone", "git@github.com:"+args.CloneUser+"/"+args.CloneRepo, tmp)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	err = cmd.Run()
+	if err != nil {
+		return err
+	}
+
+	cmd = exec.Command("rm", "-rf", tmp+"/.git")
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	err = cmd.Run()
+	if err != nil {
+		return err
+	}
+
+	err = filepath.Walk(tmp, visit(args.CloneUser+"/"+args.CloneRepo, args.User+"/"+args.Repo))
+	if err != nil {
+		return (err)
+	}
+	err = filepath.Walk(tmp, visit("\\/"+args.CloneUser+"\\/"+args.CloneRepo+"/", "\\/"+args.User+"\\/"+args.Repo+"/"))
+	if err != nil {
+		return (err)
+	}
+
+	cwd, err := os.Getwd()
+	if err != nil {
+		return (err)
+	}
+
+	newdir := cwd + "/" + args.Repo
+
+	if _, err := os.Stat(newdir); os.IsNotExist(err) {
+		err := os.Rename(tmp, newdir)
+		if err != nil {
+			return (err)
+		}
+	} else {
+		return errors.New("Folder " + newdir + " already exists")
+	}
+
+	if err != nil {
+		return (err)
+	}
+	return nil
+}
+func visit(search, replace string) filepath.WalkFunc {
+	return func(path string, fi os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+		if !!fi.IsDir() {
+			return nil
+		}
+		matched, err := filepath.Match("*", fi.Name())
+		if err != nil {
+			panic(err)
+			return err
+		}
+		if matched {
+			read, err := ioutil.ReadFile(path)
+			if err != nil {
+				panic(err)
+			}
+			newContents := strings.Replace(string(read), search, replace, -1)
+			err = ioutil.WriteFile(path, []byte(newContents), 0)
+			if err != nil {
+				panic(err)
+			}
+		}
+		return nil
+	}
+}
+
 // Give this the name of the tutorial and any arguments necessary for
 // said tutorial
 func scaffold(name string, op string, args UserRepoArgs) error {

cmd/utils_test.go

@@ -0,0 +1,26 @@
+package cmd
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestClone(t *testing.T) {
+	tmp, err := ioutil.TempDir("", "scaffold-clone-test-")
+	if err != nil {
+		log.Fatal(err)
+	}
+	// defer os.RemoveAll(tmp) // clean up
+	os.Chdir(tmp)
+	err = clone(UserRepoArgs{
+		User:      "username",
+		Repo:      "repository",
+		CloneUser: "cosmos",
+		CloneRepo: "gaia",
+	})
+	require.NoError(t, err)
+}

go.mod

@@ -10,7 +10,7 @@ require (
 	github.com/spf13/cobra v0.0.5
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/viper v1.5.0
-	github.com/stretchr/testify v1.4.0 // indirect
+	github.com/stretchr/testify v1.4.0
 	golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a // indirect
 	golang.org/x/text v0.3.2 // indirect
 )

go.sum

@@ -114,6 +114,7 @@ github.com/spf13/viper v1.3.2/go.mod h1:ZiWeW+zYFKm7srdB9IoDzzZXaJaI5eL9QjNiN/DM
 github.com/spf13/viper v1.5.0 h1:GpsTwfsQ27oS/Aha/6d1oD7tpKIqWnOA6tgOX9HHkt4=
 github.com/spf13/viper v1.5.0/go.mod h1:AkYRkVJF8TkSG/xet6PzXX+l39KhhXa2pdqVSxnTcn4=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/objx v0.1.1 h1:2vfRuCMp5sSVIDSqO8oNnWJq7mPa6KVP3iPIwFBuy8A=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
@@ -138,7 +139,9 @@ golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190522155817-f3200d17e092 h1:4QSRKanuywn15aTZvI/mIDEgPQpswuFndXpOj3rKEco=
 golang.org/x/net v0.0.0-20190522155817-f3200d17e092/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
+golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be h1:vEDujvNQGv4jgYKudGeI/+DAX4Jffq6hpD55MmoEvKs=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=