Update module go-redis/redis/v7 to v7.4.0 (#579)

Update module go-redis/redis/v7 to v7.4.0

Reviewed-on: https://kolaente.dev/vikunja/api/pulls/579

vendor/github.com/go-redis/redis/v7/.travis.yml

@@ -5,7 +5,6 @@ services:
   - redis-server
 
 go:
-  - 1.11.x
   - 1.12.x
   - 1.13.x
   - tip

vendor/github.com/go-redis/redis/v7/Makefile

@@ -14,7 +14,7 @@ bench: testdeps
 
 testdata/redis:
 	mkdir -p $@
-	wget -qO- http://download.redis.io/releases/redis-5.0.7.tar.gz | tar xvz --strip-components=1 -C $@
+	wget -qO- http://download.redis.io/redis-stable.tar.gz | tar xvz --strip-components=1 -C $@
 
 testdata/redis/src/redis-server: testdata/redis
 	cd $< && make all

vendor/github.com/go-redis/redis/v7/command.go

@@ -1885,6 +1885,7 @@ type CommandInfo struct {
 	Name        string
 	Arity       int8
 	Flags       []string
+	ACLFlags    []string
 	FirstKeyPos int8
 	LastKeyPos  int8
 	StepCount   int8
@@ -1934,8 +1935,14 @@ func (cmd *CommandsInfoCmd) readReply(rd *proto.Reader) error {
 }
 
 func commandInfoParser(rd *proto.Reader, n int64) (interface{}, error) {
-	if n != 6 {
-		return nil, fmt.Errorf("redis: got %d elements in COMMAND reply, wanted 6", n)
+	const numArgRedis5 = 6
+	const numArgRedis6 = 7
+
+	switch n {
+	case numArgRedis5, numArgRedis6:
+		// continue
+	default:
+		return nil, fmt.Errorf("redis: got %d elements in COMMAND reply, wanted 7", n)
 	}
 
 	var cmd CommandInfo
@@ -1995,6 +2002,28 @@ func commandInfoParser(rd *proto.Reader, n int64) (interface{}, error) {
 		}
 	}
 
+	if n == numArgRedis5 {
+		return &cmd, nil
+	}
+
+	_, err = rd.ReadReply(func(rd *proto.Reader, n int64) (interface{}, error) {
+		cmd.ACLFlags = make([]string, n)
+		for i := 0; i < len(cmd.ACLFlags); i++ {
+			switch s, err := rd.ReadString(); {
+			case err == Nil:
+				cmd.ACLFlags[i] = ""
+			case err != nil:
+				return nil, err
+			default:
+				cmd.ACLFlags[i] = s
+			}
+		}
+		return nil, nil
+	})
+	if err != nil {
+		return nil, err
+	}
+
 	return &cmd, nil
 }