Clean up error handling of getEntriesForFeed

main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"fmt"
 	"html/template"
 	"log"
 	"net/http"
@@ -21,7 +22,10 @@ func main() {
 		log.Fatal(err)
 	}
 
-	items := getEntriesForFeed(u)
+	items, err := getEntriesForFeed(u)
+	if err != nil {
+		log.Fatal(err)
+	}
 
 	items = filterEntriesAfter(items, now.With(time.Now()).Monday())
 
@@ -36,19 +40,19 @@ func main() {
 	}
 }
 
-func getEntriesForFeed(u *url.URL) []microsub.Item {
+func getEntriesForFeed(u *url.URL) ([]microsub.Item, error) {
 	resp, err := http.Get(u.String())
 	if err != nil {
-		log.Fatal(err)
+		return nil, err
 	}
 	defer resp.Body.Close()
 	if resp.StatusCode != 200 {
-		log.Fatalf("Status is not 200, but %d", resp.StatusCode)
+		return nil, fmt.Errorf("status is not 200, but %d", resp.StatusCode)
 	}
 
 	md := microformats.Parse(resp.Body, u)
 	items := jf2.SimplifyMicroformatDataItems(md)
-	return items
+	return items, nil
 }
 
 func filterEntriesAfter(items []microsub.Item, from time.Time) []microsub.Item {