Update and fix linters

.golangci.yml

@@ -1,15 +1,20 @@
 linters:
-  presets:
-    - bugs
+  enable:
+    - structcheck
+    - varcheck
+    - staticcheck
+    - unconvert
+    - gofmt
+    - goimports
+    - golint
+    - ineffassign
+    - vet
     - unused
-    - format
-    - style
-    - complexity
-    - performance
+    - misspell
   disable:
     - errcheck
-    - gochecknoglobals
-    - lll
-issues:
-  exclude:
-    - if block ends with a return statement, so drop this else and outdent its block
+
+run:
+  skip-dirs:
+    - bin
+    - docs

pkg/builders/youtube.go

@@ -146,7 +146,7 @@ func (yt *YouTubeBuilder) GetVideoCount(feed *model.Feed) (uint64, error) {
 		// Cost: 3 units
 		if channel, err := yt.listChannels(feed.LinkType, feed.ItemID, "id,statistics"); err != nil {
 			return 0, err
-		} else {
+		} else { // nolint:golint
 			return channel.Statistics.VideoCount, nil
 		}
 
@@ -154,7 +154,7 @@ func (yt *YouTubeBuilder) GetVideoCount(feed *model.Feed) (uint64, error) {
 		// Cost: 3 units
 		if playlist, err := yt.listPlaylists(feed.ItemID, "", "id,contentDetails"); err != nil {
 			return 0, err
-		} else {
+		} else { // nolint:golint
 			return uint64(playlist.ContentDetails.ItemCount), nil
 		}
 
@@ -197,7 +197,7 @@ func (yt *YouTubeBuilder) queryFeed(feed *model.Feed) (string, error) {
 
 		if date, err := yt.parseDate(channel.Snippet.PublishedAt); err != nil {
 			return "", err
-		} else {
+		} else { // nolint:golint
 			pubDate = date
 		}
 
@@ -221,7 +221,7 @@ func (yt *YouTubeBuilder) queryFeed(feed *model.Feed) (string, error) {
 
 		if date, err := yt.parseDate(playlist.Snippet.PublishedAt); err != nil {
 			return "", err
-		} else {
+		} else { // nolint:golint
 			pubDate = date
 		}