Move config file handling to the rest of the config stuff

config.go

@@ -1,6 +1,12 @@
 package main
 
-import "strings"
+import (
+	"fmt"
+	"os"
+	"strings"
+
+	"gopkg.in/yaml.v2"
+)
 
 type Repo struct {
 	URL            string `yaml:"url"`
@@ -29,3 +35,21 @@ type configFormat struct {
 	Sites       sites                  `yaml:"sites"`
 	Workstreams map[string]Workstreams `yaml:"workstreams"`
 }
+
+func readConfig(configFile string) *configFormat {
+	file, err := os.Open(configFile)
+	if err != nil {
+		panic(fmt.Sprintf("Could not open '%s': %s", configFile, err))
+	}
+	defer file.Close()
+
+	cfg := new(configFormat)
+
+	configDecoder := yaml.NewDecoder(file)
+	err = configDecoder.Decode(&cfg)
+	if err != nil {
+		panic(fmt.Sprintf("Failed parsing '%s': %s", configFile, err))
+	}
+
+	return cfg
+}

gerritcp.go

@@ -3,9 +3,6 @@ package main
 import (
 	"flag"
 	"fmt"
-	"os"
-
-	"gopkg.in/yaml.v2"
 )
 
 func main() {
@@ -13,20 +10,7 @@ func main() {
 	configFile := flag.String("config", "config.yaml", "path to configuration")
 	flag.Parse()
 
-	file, err := os.Open(*configFile)
+	cfg := readConfig(*configFile)
-	if err != nil {
-		panic(fmt.Sprintf("Could not open '%s': %s", *configFile, err))
-	}
-	defer file.Close()
-
-	cfg := new(configFormat)
-
-	configDecoder := yaml.NewDecoder(file)
-	err = configDecoder.Decode(&cfg)
-	if err != nil {
-		panic(fmt.Sprintf("Failed parsing '%s': %s", *configFile, err))
-	}
-
 	repo := openRepo(dir, cfg)
 
 	fmt.Println(repo)