merge contributions (#246)

* expanded help to mention need to import addon (#243)

* Remove unused extra backtick (#239)

* remove import for golang.org/net/x/http2, co-locate error message

* update CI code to run --dev if on ponzu-dev branch

* CI: ensure we have latest from ponzu-dev branch

.circleci/test-setup.sh

@@ -7,20 +7,27 @@ set -ex
 # Install Ponzu CMS
 go get -u github.com/ponzu-cms/ponzu/...
 
-
 # test install
 ponzu
 
-
 # create a project and generate code
-ponzu new github.com/ponzu-cms/ci/test-project
+if [ $CIRCLE_BRANCH = "ponzu-dev" ]; then
+        # ensure we have the latest from ponzu-dev branch
+        cd /go/src/github.com/ponzu-cms/ponzu
+        git checkout ponzu-dev
+        git pull origin ponzu-dev
+
+        # create new project using the ponzu-dev branch
+        ponzu new --dev github.com/ponzu-cms/ci/test-project
+else 
+        ponzu new github.com/ponzu-cms/ci/test-project
+fi
 
 cd /go/src/github.com/ponzu-cms/ci/test-project
 
 ponzu gen content person name:string hashed_secret:string
 ponzu gen content message from:@person,hashed_secret to:@person,hashed_secret
 
-
 # build and run dev http/2 server with TLS
 ponzu build
 

cmd/ponzu/add.go

@@ -16,7 +16,8 @@ var addCmd = &cobra.Command{
 	Aliases: []string{"a"},
 	Short:   "Downloads addon from specified import path",
 	Long: `Downloads addon from specified import path to $GOPATH/src and copys it to the
-current project's addons directory. Must be called from within a Ponzu project directory.`,
+current project's addons directory. Must be called from within a Ponzu project directory. Addon
+needs to imported in at least one content item for it to be included in the Ponzu server build.`,
 	Example: `$ ponzu add github.com/bosssauce/fbscheduler`,
 	RunE: func(cmd *cobra.Command, args []string) error {
 		// expecting two args, add/a and the go gettable package uri

docs/src/Quickstart/Overview.md

@@ -18,7 +18,7 @@ $ cd $GOPATH/src/github.com/nilslice/reviews
 
 5) Generate content type file and boilerplate code (creates `content/review.go`):
 ```bash
-$ ponzu generate content review title:"string" author:"string" rating:"float64" body:"string":richtext website_url:"string" items:"[]string" photo:string:file`
+$ ponzu generate content review title:"string" author:"string" rating:"float64" body:"string":richtext website_url:"string" items:"[]string" photo:string:file
 ```
 
 6) Build your project:

system/api/push.go

@@ -3,13 +3,15 @@ package api
 import (
 	"log"
 	"net/http"
+	"strings"
 
 	"github.com/ponzu-cms/ponzu/system/item"
 
 	"github.com/tidwall/gjson"
-	"golang.org/x/net/http2"
 )
 
+const errRecursivePush = "recursive push not allowed"
+
 func push(res http.ResponseWriter, req *http.Request, pt interface{}, data []byte) {
 	// Push(target string, opts *PushOptions) error
 	if pusher, ok := res.(http.Pusher); ok {
@@ -40,7 +42,10 @@ func push(res http.ResponseWriter, req *http.Request, pt interface{}, data []byt
 					err := pusher.Push(v.String(), nil)
 					// check for error, "http2: recursive push not allowed"
 					// and return, suppressing a log message
-					if err != nil && err.Error() == http2.ErrRecursivePush.Error() {
+					// XXX: errRecursivePush has been co-located to this
+					// package instead of importing golang.org/x/net/http2
+					// to get the error itself.
+					if err != nil && strings.Contains(err.Error(), errRecursivePush) {
 						return true
 					}
 					if err != nil {