add irc notify plugin

It is based on github.com/fluffle/goirc

Makefile

@@ -15,6 +15,7 @@ deps:
 	go get github.com/dchest/authcookie
 	go get github.com/dchest/passwordreset
 	go get github.com/dchest/uniuri
+	go get github.com/fluffle/goirc
 	#go get github.com/dotcloud/docker/archive
 	#go get github.com/dotcloud/docker/utils
 	#go get github.com/dotcloud/docker/pkg/term

pkg/plugin/notify/irc.go

@@ -1 +1,80 @@
 package notify
+
+import (
+    "fmt"
+
+    irc "github.com/fluffle/goirc/client"
+)
+
+const (
+	ircStartedMessage = "Building: %s, commit %s, author %s"
+	ircSuccessMessage = "Success: %s, commit %s, author %s"
+	ircFailureMessage = "Failed: %s, commit %s, author %s"
+)
+
+type IRC struct {
+	Channel string `yaml:"channel,omitempty"`
+	Nick string `yaml:"nick,omitempty"`
+    Server string `yaml:"server,omitempty"`
+	Started bool   `yaml:"on_started,omitempty"`
+	Success bool   `yaml:"on_success,omitempty"`
+	Failure bool   `yaml:"on_failure,omitempty"`
+    SSL bool `yaml:"ssl,omitempty"`
+    ClientStarted bool
+    Client *irc.Conn
+}
+
+func (i *IRC) Connect() {
+    c := irc.SimpleClient(i.Nick)
+    c.SSL = i.SSL
+    connected := make(chan bool)
+    c.AddHandler(irc.CONNECTED,
+        func(conn *irc.Conn, line *irc.Line) { 
+            conn.Join(i.Channel)
+            connected <- true})
+    c.Connect(i.Server)
+    <-connected
+    i.Client = c
+    i.ClientStarted = true
+}
+
+func (i *IRC) Send(context *Context) error {
+       
+        if !i.ClientStarted {
+            i.Connect()
+        }
+
+	switch {
+	case context.Commit.Status == "Started" && i.Started:
+		return i.sendStarted(context)
+	case context.Commit.Status == "Success" && i.Success:
+		return i.sendSuccess(context)
+	case context.Commit.Status == "Failure" && i.Failure:
+		return i.sendFailure(context)
+	}
+	return nil
+}
+
+func (i *IRC) sendStarted(context *Context) error {
+	msg := fmt.Sprintf(ircStartedMessage, context.Repo.Name, context.Commit.HashShort(), context.Commit.Author)
+	 i.send(i.Channel, msg)
+        return nil
+}
+
+func (i *IRC) sendFailure(context *Context) error {
+	msg := fmt.Sprintf(ircFailureMessage, context.Repo.Name, context.Commit.HashShort(), context.Commit.Author)
+	 i.send(i.Channel, msg)
+        return nil
+}
+
+func (i *IRC) sendSuccess(context *Context) error {
+	msg := fmt.Sprintf(ircSuccessMessage, context.Repo.Name, context.Commit.HashShort(), context.Commit.Author)
+	 i.send(i.Channel, msg)
+        return nil
+}
+
+
+func (i *IRC) send(channel string, message string) error {
+    i.Client.Notice(channel, message)
+    return nil
+}

pkg/plugin/notify/notification.go

@@ -31,6 +31,7 @@ type Notification struct {
 	Email   *Email   `yaml:"email,omitempty"`
 	Webhook *Webhook `yaml:"webhook,omitempty"`
 	Hipchat *Hipchat `yaml:"hipchat,omitempty"`
+    Irc     *IRC     `yaml:"irc,omitempty"`
 }
 
 func (n *Notification) Send(context *Context) error {
@@ -49,5 +50,10 @@ func (n *Notification) Send(context *Context) error {
 		n.Hipchat.Send(context)
 	}
 
+    // send irc notifications
+    if n.Irc != nil {
+        n.Irc.Send(context)
+    }
+
 	return nil
 }