adding upgrade and version to CLI usage and help command, fixing issue …

…#31 with ponzu version printing project version

README.md

@@ -184,12 +184,17 @@ $ ponzu upgrade
 
 ### version, v
 
-Prints the version of the Ponzu CLI you have installed.
+Prints the version of Ponzu your project is using. Must be called from within a 
+Ponzu project directory. By passing the `--cli` flag, the `version` command will 
+print the version of the Ponzu CLI you have installed.
 
 Example:
 ```bash
 $ ponzu version
 > Ponzu v0.7.1
+(or)
+$ ponzu --cli version
+> Ponzu v0.7.2
 ```
 
 ---

cmd/ponzu/main.go

@@ -19,11 +19,13 @@ import (
 )
 
 var (
-	usage     = usageHeader + usageNew + usageGenerate + usageBuild + usageRun
+	usage = usageHeader + usageNew + usageGenerate +
+		usageBuild + usageRun + usageUpgrade + usageVersion
 	port      int
 	httpsport int
 	https     bool
 	devhttps  bool
+	cli       bool
 
 	// for ponzu internal / core development
 	dev   bool
@@ -41,6 +43,7 @@ func main() {
 	flag.BoolVar(&https, "https", false, "enable automatic TLS/SSL certificate management")
 	flag.BoolVar(&devhttps, "devhttps", false, "[dev environment] enable automatic TLS/SSL certificate management")
 	flag.BoolVar(&dev, "dev", false, "modify environment for Ponzu core development")
+	flag.BoolVar(&cli, "cli", false, "specify that information should be returned about the CLI, not project")
 	flag.StringVar(&fork, "fork", "", "modify repo source for Ponzu core development")
 	flag.StringVar(&gocmd, "gocmd", "go", "custom go command if using beta or new release of Go")
 	flag.Parse()
@@ -76,6 +79,14 @@ func main() {
 		case "run":
 			fmt.Println(usageRun)
 			os.Exit(0)
+
+		case "upgrade":
+			fmt.Println(usageUpgrade)
+			os.Exit(0)
+
+		case "version", "v":
+			fmt.Println(usageVersion)
+			os.Exit(0)
 		}
 
 	case "new":
@@ -219,7 +230,7 @@ func main() {
 	case "version", "v":
 		// read ponzu.json value to Stdout
 
-		p, err := ponzu()
+		p, err := ponzu(cli)
 		if err != nil {
 			fmt.Println(err)
 			os.Exit(1)

cmd/ponzu/ponzu.json

@@ -1,3 +1,3 @@
 {
-    "version": "0.7.1"
+    "version": "0.7.2"
 }

cmd/ponzu/usage.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"io/ioutil"
+	"os"
 	"path/filepath"
 	"time"
 )
@@ -131,10 +132,47 @@ var usageRun = `
 
 `
 
-func ponzu() (map[string]interface{}, error) {
+var usageUpgrade = `
+upgrade
+
+	Will backup your own custom project code (like content, addons, uploads, etc) so
+	we can safely re-clone Ponzu from the latest version you have or from the network 
+	if necessary. Before running '$ ponzu upgrade', you should update the 'ponzu'
+	package by running '$ go get -u github.com/ponzu-cms/ponzu/...' 
+
+	Example:
+	$ ponzu upgrade
+
+
+`
+
+var usageVersion = `
+[--cli] version, v
+
+	Prints the version of Ponzu your project is using. Must be called from 
+	within a Ponzu project directory.
+
+	Example:
+	$ ponzu version
+	> Ponzu v0.7.1
+	(or)
+	$ ponzu --cli version
+	> Ponzu v0.7.2
+
+
+`
+
+func ponzu(isCLI bool) (map[string]interface{}, error) {
 	kv := make(map[string]interface{})
 
-	b, err := ioutil.ReadFile(filepath.Join("cmd", "ponzu", "ponzu.json"))
+	info := filepath.Join("cmd", "ponzu", "ponzu.json")
+	if isCLI {
+		gopath := os.Getenv("GOPATH")
+		repo := filepath.Join(gopath, "src", "github.com", "ponzu-cms", "ponzu")
+		info = filepath.Join(repo, "cmd", "ponzu", "ponzu.json")
+	}
+
+	b, err := ioutil.ReadFile(info)
 	if err != nil {
 		return nil, err
 	}