use new webhook package

DOCS.md

@@ -67,7 +67,7 @@ The following is an example Webhook payload (whitespace added):
 
 In some cases you may want to submit a custom payload in the body of your hook. For the use case we expose the following additional parameters:
 
-* `template` - Go template to create a custom payload body. See [docs](https://golang.org/pkg/text/template/)
+* `template` - Handlebars template to create a custom payload body. See [docs](http://handlebarsjs.com/)
 * `content_type` - HTTP request content type
 
 Example configuration that generate a custom Yaml payload:
@@ -80,9 +80,9 @@ notify:
       - https://your.other.webhook/...
     content_type: application/yaml
     template: >
-      repo: {{.Repo.FullName}}
-      build: {{.Build.Number}}
-      commit: {{.Build.Commit}}
+      repo: {{repo.full_name}}
+      build: {{build.number}}
+      commit: {{build.commit}}
 ```
 
 ## Basic Authentication
@@ -106,11 +106,6 @@ notify:
       password: $$PASSWORD
     urls:
       - https://tower.example.com/...
-    content_type: application/yaml
-    template: >
-      repo: {{.Repo.FullName}}
-      build: {{.Build.Number}}
-      commit: {{.Build.Commit}}
 ```
 
 ## Debugging Webhooks

main.go

@@ -8,20 +8,22 @@ import (
 	"net/http"
 	"net/url"
 	"os"
-	"text/template"
 
 	"github.com/drone/drone-go/drone"
 	"github.com/drone/drone-go/plugin"
+	"github.com/drone/drone-go/template"
 )
 
 func main() {
 
 	// plugin settings
+	var sys = drone.System{}
 	var repo = drone.Repo{}
 	var build = drone.Build{}
 	var vargs = Webhook{}
 
 	// set plugin parameters
+	plugin.Param("system", &sys)
 	plugin.Param("repo", &repo)
 	plugin.Param("build", &build)
 	plugin.Param("vargs", &vargs)
@@ -52,18 +54,16 @@ func main() {
 	var buf bytes.Buffer
 	if len(vargs.Template) == 0 {
 		if err := json.NewEncoder(&buf).Encode(&data); err != nil {
-			fmt.Printf("Error encoding content template. %s\n", err)
+			fmt.Printf("Error encoding json payload. %s\n", err)
 			os.Exit(1)
 		}
 	} else {
-
-		t, err := template.New("_").Parse(vargs.Template)
+		err := template.Write(&buf, vargs.Template, &drone.Payload{
+			Build:  &build,
+			Repo:   &repo,
+			System: &sys,
+		})
 		if err != nil {
-			fmt.Printf("Error parsing content template. %s\n", err)
-			os.Exit(1)
-		}
-
-		if err := t.Execute(&buf, &data); err != nil {
 			fmt.Printf("Error executing content template. %s\n", err)
 			os.Exit(1)
 		}