Add misspell-check

magefile.go

@@ -57,6 +57,7 @@ var (
 		"fmt-check":        FmtCheck,
 		"do-the-swag":      DoTheSwag,
 		"got-swag":         GotSwag,
+		"misspell-check":   MisspellCheck,
 	}
 )
 
@@ -134,7 +135,9 @@ func setGoFiles() {
 		os.Exit(1)
 	}
 	for _, f := range strings.Split(string(files), "\n") {
-		GoFiles = append(GoFiles, RootPath+strings.TrimLeft(f, "."))
+		if strings.HasSuffix(f, ".go") {
+			GoFiles = append(GoFiles, RootPath+strings.TrimLeft(f, "."))
+		}
 	}
 }
 
@@ -309,8 +312,10 @@ func GotSwag() {
 	}
 }
 
+// Checks the source code for misspellings
 func MisspellCheck() {
-
+	checkAndInstallGoTool("misspell", "github.com/client9/misspell/cmd/misspell")
+	runAndStreamOutput("misspell", append([]string{"-error"}, GoFiles...)...)
 }
 
 func IneffassignCheck() {