Properly scope Config to the wtf package and remove it as a dependency from everywhere else

circleci/build.go

@@ -1,10 +1,10 @@
 package circleci
 
 type Build struct {
-	AuthorEmail        string            `json:"author_email"`
-	AuthorName         string            `json:"author_name"`
-	Branch             string            `json:"branch"`
-	BuildNum           int               `json:"build_num"`
-	Reponame           string            `json:"reponame"`
-	Status             string            `json:"status"`
+	AuthorEmail string `json:"author_email"`
+	AuthorName  string `json:"author_name"`
+	Branch      string `json:"branch"`
+	BuildNum    int    `json:"build_num"`
+	Reponame    string `json:"reponame"`
+	Status      string `json:"status"`
 }

circleci/widget.go

@@ -2,13 +2,9 @@ package circleci
 
 import (
 	"fmt"
-	"github.com/olebedev/config"
 	"github.com/senorprogrammer/wtf/wtf"
 )
 
-// Config is a pointer to the global config object
-var Config *config.Config
-
 type Widget struct {
 	wtf.TextWidget
 }
@@ -65,19 +61,15 @@ func (widget *Widget) contentFrom(builds []*Build) string {
 	return str
 }
 
-func buildColor(b *Build) string {
-	var color string
-
-	switch b.Status {
+func buildColor(build *Build) string {
+	switch build.Status {
 	case "failed":
-		color = "red"
+		return "red"
 	case "running":
-		color = "yellow"
+		return "yellow"
 	case "success":
-		color = "green"
+		return "green"
 	default:
-		color = "white"
+		return "white"
 	}
-
-	return color
 }