Vendor update

vendor/github.com/thehowl/go-osuapi/osubool.go

@@ -9,7 +9,7 @@ type OsuBool bool
 
 // UnmarshalJSON converts `"0"` to false and `"1"` to true.
 func (o *OsuBool) UnmarshalJSON(data []byte) error {
-	if string(data) == `"0"` {
+	if string(data) == `0` {
 		*o = false
 		return nil
 	}

vendor/gopkg.in/redis.v5/Makefile

@@ -15,4 +15,5 @@ testdata/redis:
 	wget -qO- https://github.com/antirez/redis/archive/unstable.tar.gz | tar xvz --strip-components=1 -C $@
 
 testdata/redis/src/redis-server: testdata/redis
+	sed -i 's/libjemalloc.a/libjemalloc.a -lrt/g' $</src/Makefile
 	cd $< && make all

vendor/gopkg.in/redis.v5/cluster.go

@@ -14,6 +14,7 @@ import (
 )
 
 var errClusterNoNodes = internal.RedisError("redis: cluster has no nodes")
+var errNilClusterState = internal.RedisError("redis: cannot load cluster slots")
 
 // ClusterOptions are used to configure a cluster client and should be
 // passed to NewClusterClient.
@@ -355,7 +356,14 @@ func NewClusterClient(opt *ClusterOptions) *ClusterClient {
 		_, _ = c.nodes.Get(addr)
 	}
 
-	c.reloadSlots()
+	// Preload cluster slots.
+	for i := 0; i < 10; i++ {
+		state, err := c.reloadSlots()
+		if err == nil {
+			c._state.Store(state)
+			break
+		}
+	}
 
 	if opt.IdleCheckFrequency > 0 {
 		go c.reaper(opt.IdleCheckFrequency)
@@ -366,11 +374,12 @@ func NewClusterClient(opt *ClusterOptions) *ClusterClient {
 
 func (c *ClusterClient) state() *clusterState {
 	v := c._state.Load()
-	if v == nil {
-		return nil
-	}
+	if v != nil {
 		return v.(*clusterState)
 	}
+	c.lazyReloadSlots()
+	return nil
+}
 
 func (c *ClusterClient) cmdSlotAndNode(state *clusterState, cmd Cmder) (int, *clusterNode, error) {
 	if state == nil {
@@ -397,10 +406,12 @@ func (c *ClusterClient) cmdSlotAndNode(state *clusterState, cmd Cmder) (int, *cl
 }
 
 func (c *ClusterClient) Watch(fn func(*Tx) error, keys ...string) error {
+	state := c.state()
+
 	var node *clusterNode
 	var err error
-	if len(keys) > 0 {
-		node, err = c.state().slotMasterNode(hashtag.Slot(keys[0]))
+	if state != nil && len(keys) > 0 {
+		node, err = state.slotMasterNode(hashtag.Slot(keys[0]))
 	} else {
 		node, err = c.nodes.Random()
 	}
@@ -463,8 +474,9 @@ func (c *ClusterClient) Process(cmd Cmder) error {
 		var addr string
 		moved, ask, addr = internal.IsMovedError(err)
 		if moved || ask {
-			if slot >= 0 {
-				master, _ := c.state().slotMasterNode(slot)
+			state := c.state()
+			if state != nil && slot >= 0 {
+				master, _ := state.slotMasterNode(slot)
 				if moved && (master == nil || master.Client.getAddr() != addr) {
 					c.lazyReloadSlots()
 				}
@@ -523,7 +535,7 @@ func (c *ClusterClient) ForEachNode(fn func(client *Client) error) error {
 func (c *ClusterClient) ForEachMaster(fn func(client *Client) error) error {
 	state := c.state()
 	if state == nil {
-		return nil
+		return errNilClusterState
 	}
 
 	var wg sync.WaitGroup
@@ -564,12 +576,13 @@ func (c *ClusterClient) ForEachMaster(fn func(client *Client) error) error {
 
 // PoolStats returns accumulated connection pool stats.
 func (c *ClusterClient) PoolStats() *PoolStats {
+	var acc PoolStats
+
 	nodes, err := c.nodes.All()
 	if err != nil {
-		return nil
+		return &acc
 	}
 
-	var acc PoolStats
 	for _, node := range nodes {
 		s := node.Client.connPool.Stats()
 		acc.Requests += s.Requests
@@ -585,37 +598,46 @@ func (c *ClusterClient) lazyReloadSlots() {
 	if !atomic.CompareAndSwapUint32(&c.reloading, 0, 1) {
 		return
 	}
+
 	go func() {
-		c.reloadSlots()
+		for i := 0; i < 1000; i++ {
+			state, err := c.reloadSlots()
+			if err == pool.ErrClosed {
+				break
+			}
+			if err == nil {
+				c._state.Store(state)
+				break
+			}
+			time.Sleep(time.Millisecond)
+		}
+
+		time.Sleep(3 * time.Second)
 		atomic.StoreUint32(&c.reloading, 0)
 	}()
 }
 
-func (c *ClusterClient) reloadSlots() {
-	for i := 0; i < 10; i++ {
+func (c *ClusterClient) reloadSlots() (*clusterState, error) {
 	node, err := c.nodes.Random()
 	if err != nil {
-			return
+		return nil, err
 	}
 
+	// TODO: fix race
 	if c.cmds == nil {
 		cmds, err := node.Client.Command().Result()
-			if err == nil {
-				c.cmds = cmds
+		if err != nil {
+			return nil, err
 		}
+		c.cmds = cmds
 	}
 
 	slots, err := node.Client.ClusterSlots().Result()
 	if err != nil {
-			continue
+		return nil, err
 	}
 
-		state, err := newClusterState(c.nodes, slots)
-		if err != nil {
-			return
-		}
-		c._state.Store(state)
-	}
+	return newClusterState(c.nodes, slots)
 }
 
 // reaper closes idle connections to the cluster.
@@ -789,8 +811,13 @@ func (c *ClusterClient) txPipelineExec(cmds []Cmder) error {
 		return err
 	}
 
+	state := c.state()
+	if state == nil {
+		return errNilClusterState
+	}
+
 	for slot, cmds := range cmdsMap {
-		node, err := c.state().slotMasterNode(slot)
+		node, err := state.slotMasterNode(slot)
 		if err != nil {
 			setCmdsErr(cmds, err)
 			continue

vendor/gopkg.in/redis.v5/command.go

@@ -58,7 +58,7 @@ func writeCmd(cn *pool.Conn, cmds ...Cmder) error {
 		}
 	}
 
-	_, err := cn.NetConn.Write(cn.Wb.Bytes())
+	_, err := cn.Write(cn.Wb.Bytes())
 	return err
 }
 
@@ -445,7 +445,7 @@ func (cmd *StringCmd) Result() (string, error) {
 }
 
 func (cmd *StringCmd) Bytes() ([]byte, error) {
-	return []byte(cmd.val), cmd.err
+	return cmd.val, cmd.err
 }
 
 func (cmd *StringCmd) Int64() (int64, error) {
@@ -542,6 +542,10 @@ func (cmd *StringSliceCmd) String() string {
 	return cmdString(cmd, cmd.val)
 }
 
+func (cmd *StringSliceCmd) ScanSlice(container interface{}) error {
+	return proto.ScanSlice(cmd.Val(), container)
+}
+
 func (cmd *StringSliceCmd) readReply(cn *pool.Conn) error {
 	var v interface{}
 	v, cmd.err = cn.Rd.ReadArrayReply(stringSliceParser)

vendor/gopkg.in/redis.v5/commands.go

@@ -50,14 +50,16 @@ type Cmdable interface {
 	Unlink(keys ...string) *IntCmd
 	Dump(key string) *StringCmd
 	Exists(key string) *BoolCmd
+	// TODO: merge with Exists in v6
+	ExistsMulti(keys ...string) *IntCmd
 	Expire(key string, expiration time.Duration) *BoolCmd
 	ExpireAt(key string, tm time.Time) *BoolCmd
 	Keys(pattern string) *StringSliceCmd
 	Migrate(host, port, key string, db int64, timeout time.Duration) *StatusCmd
 	Move(key string, db int64) *BoolCmd
-	ObjectRefCount(keys ...string) *IntCmd
-	ObjectEncoding(keys ...string) *StringCmd
-	ObjectIdleTime(keys ...string) *DurationCmd
+	ObjectRefCount(key string) *IntCmd
+	ObjectEncoding(key string) *StringCmd
+	ObjectIdleTime(key string) *DurationCmd
 	Persist(key string) *BoolCmd
 	PExpire(key string, expiration time.Duration) *BoolCmd
 	PExpireAt(key string, tm time.Time) *BoolCmd
@@ -170,6 +172,7 @@ type Cmdable interface {
 	ZRem(key string, members ...interface{}) *IntCmd
 	ZRemRangeByRank(key string, start, stop int64) *IntCmd
 	ZRemRangeByScore(key, min, max string) *IntCmd
+	ZRemRangeByLex(key, min, max string) *IntCmd
 	ZRevRange(key string, start, stop int64) *StringSliceCmd
 	ZRevRangeWithScores(key string, start, stop int64) *ZSliceCmd
 	ZRevRangeByScore(key string, opt ZRangeBy) *StringSliceCmd
@@ -270,6 +273,13 @@ func (c *cmdable) Ping() *StatusCmd {
 	return cmd
 }
 
+func (c *cmdable) Wait(numSlaves int, timeout time.Duration) *IntCmd {
+
+	cmd := NewIntCmd("wait", numSlaves, int(timeout/time.Millisecond))
+	c.process(cmd)
+	return cmd
+}
+
 func (c *cmdable) Quit() *StatusCmd {
 	panic("not implemented")
 }
@@ -316,6 +326,17 @@ func (c *cmdable) Exists(key string) *BoolCmd {
 	return cmd
 }
 
+func (c *cmdable) ExistsMulti(keys ...string) *IntCmd {
+	args := make([]interface{}, 1+len(keys))
+	args[0] = "exists"
+	for i, key := range keys {
+		args[1+i] = key
+	}
+	cmd := NewIntCmd(args...)
+	c.process(cmd)
+	return cmd
+}
+
 func (c *cmdable) Expire(key string, expiration time.Duration) *BoolCmd {
 	cmd := NewBoolCmd("expire", key, formatSec(expiration))
 	c.process(cmd)
@@ -354,38 +375,20 @@ func (c *cmdable) Move(key string, db int64) *BoolCmd {
 	return cmd
 }
 
-func (c *cmdable) ObjectRefCount(keys ...string) *IntCmd {
-	args := make([]interface{}, 2+len(keys))
-	args[0] = "object"
-	args[1] = "refcount"
-	for i, key := range keys {
-		args[2+i] = key
-	}
-	cmd := NewIntCmd(args...)
+func (c *cmdable) ObjectRefCount(key string) *IntCmd {
+	cmd := NewIntCmd("object", "refcount", key)
 	c.process(cmd)
 	return cmd
 }
 
-func (c *cmdable) ObjectEncoding(keys ...string) *StringCmd {
-	args := make([]interface{}, 2+len(keys))
-	args[0] = "object"
-	args[1] = "encoding"
-	for i, key := range keys {
-		args[2+i] = key
-	}
-	cmd := NewStringCmd(args...)
+func (c *cmdable) ObjectEncoding(key string) *StringCmd {
+	cmd := NewStringCmd("object", "encoding", key)
 	c.process(cmd)
 	return cmd
 }
 
-func (c *cmdable) ObjectIdleTime(keys ...string) *DurationCmd {
-	args := make([]interface{}, 2+len(keys))
-	args[0] = "object"
-	args[1] = "idletime"
-	for i, key := range keys {
-		args[2+i] = key
-	}
-	cmd := NewDurationCmd(time.Second, args...)
+func (c *cmdable) ObjectIdleTime(key string) *DurationCmd {
+	cmd := NewDurationCmd(time.Second, "object", "idletime", key)
 	c.process(cmd)
 	return cmd
 }
@@ -731,6 +734,7 @@ func (c *cmdable) MSetNX(pairs ...interface{}) *BoolCmd {
 
 // Redis `SET key value [expiration]` command.
 //
+// Use expiration for `SETEX`-like behavior.
 // Zero expiration means the key has no expiration time.
 func (c *cmdable) Set(key string, value interface{}, expiration time.Duration) *StatusCmd {
 	args := make([]interface{}, 3, 4)
@@ -1468,6 +1472,12 @@ func (c *cmdable) ZRemRangeByScore(key, min, max string) *IntCmd {
 	return cmd
 }
 
+func (c *cmdable) ZRemRangeByLex(key, min, max string) *IntCmd {
+	cmd := NewIntCmd("zremrangebylex", key, min, max)
+	c.process(cmd)
+	return cmd
+}
+
 func (c *cmdable) ZRevRange(key string, start, stop int64) *StringSliceCmd {
 	cmd := NewStringSliceCmd("zrevrange", key, start, stop)
 	c.process(cmd)

vendor/gopkg.in/redis.v5/internal/pool/conn.go

@@ -2,56 +2,77 @@ package pool
 
 import (
 	"net"
+	"sync/atomic"
 	"time"
 
 	"gopkg.in/redis.v5/internal/proto"
 )
 
-const defaultBufSize = 4096
-
 var noDeadline = time.Time{}
 
 type Conn struct {
-	NetConn net.Conn
+	netConn net.Conn
+
 	Rd *proto.Reader
 	Wb *proto.WriteBuffer
 
 	Inited bool
-	UsedAt time.Time
+	usedAt atomic.Value
 }
 
 func NewConn(netConn net.Conn) *Conn {
 	cn := &Conn{
-		NetConn: netConn,
+		netConn: netConn,
 		Wb:      proto.NewWriteBuffer(),
-
-		UsedAt: time.Now(),
 	}
-	cn.Rd = proto.NewReader(cn.NetConn)
+	cn.Rd = proto.NewReader(cn.netConn)
+	cn.SetUsedAt(time.Now())
 	return cn
 }
 
+func (cn *Conn) UsedAt() time.Time {
+	return cn.usedAt.Load().(time.Time)
+}
+
+func (cn *Conn) SetUsedAt(tm time.Time) {
+	cn.usedAt.Store(tm)
+}
+
+func (cn *Conn) SetNetConn(netConn net.Conn) {
+	cn.netConn = netConn
+	cn.Rd.Reset(netConn)
+}
+
 func (cn *Conn) IsStale(timeout time.Duration) bool {
-	return timeout > 0 && time.Since(cn.UsedAt) > timeout
+	return timeout > 0 && time.Since(cn.UsedAt()) > timeout
 }
 
 func (cn *Conn) SetReadTimeout(timeout time.Duration) error {
-	cn.UsedAt = time.Now()
+	now := time.Now()
+	cn.SetUsedAt(now)
 	if timeout > 0 {
-		return cn.NetConn.SetReadDeadline(cn.UsedAt.Add(timeout))
+		return cn.netConn.SetReadDeadline(now.Add(timeout))
 	}
-	return cn.NetConn.SetReadDeadline(noDeadline)
-
+	return cn.netConn.SetReadDeadline(noDeadline)
 }
 
 func (cn *Conn) SetWriteTimeout(timeout time.Duration) error {
-	cn.UsedAt = time.Now()
+	now := time.Now()
+	cn.SetUsedAt(now)
 	if timeout > 0 {
-		return cn.NetConn.SetWriteDeadline(cn.UsedAt.Add(timeout))
+		return cn.netConn.SetWriteDeadline(now.Add(timeout))
 	}
-	return cn.NetConn.SetWriteDeadline(noDeadline)
+	return cn.netConn.SetWriteDeadline(noDeadline)
+}
+
+func (cn *Conn) Write(b []byte) (int, error) {
+	return cn.netConn.Write(b)
+}
+
+func (cn *Conn) RemoteAddr() net.Addr {
+	return cn.netConn.RemoteAddr()
 }
 
 func (cn *Conn) Close() error {
-	return cn.NetConn.Close()
+	return cn.netConn.Close()
 }

vendor/gopkg.in/redis.v5/internal/pool/pool.go

@@ -19,7 +19,9 @@ var (
 
 var timers = sync.Pool{
 	New: func() interface{} {
-		return time.NewTimer(0)
+		t := time.NewTimer(time.Hour)
+		t.Stop()
+		return t
 	},
 }
 
@@ -41,7 +43,6 @@ type Pooler interface {
 	FreeLen() int
 	Stats() *Stats
 	Close() error
-	Closed() bool
 }
 
 type dialer func() (net.Conn, error)
@@ -96,12 +97,13 @@ func (p *ConnPool) NewConn() (*Conn, error) {
 
 func (p *ConnPool) PopFree() *Conn {
 	timer := timers.Get().(*time.Timer)
-	if !timer.Reset(p.poolTimeout) {
-		<-timer.C
-	}
+	timer.Reset(p.poolTimeout)
 
 	select {
 	case p.queue <- struct{}{}:
+		if !timer.Stop() {
+			<-timer.C
+		}
 		timers.Put(timer)
 	case <-timer.C:
 		timers.Put(timer)
@@ -132,19 +134,20 @@ func (p *ConnPool) popFree() *Conn {
 
 // Get returns existed connection from the pool or creates a new one.
 func (p *ConnPool) Get() (*Conn, bool, error) {
-	if p.Closed() {
+	if p.closed() {
 		return nil, false, ErrClosed
 	}
 
 	atomic.AddUint32(&p.stats.Requests, 1)
 
 	timer := timers.Get().(*time.Timer)
-	if !timer.Reset(p.poolTimeout) {
-		<-timer.C
-	}
+	timer.Reset(p.poolTimeout)
 
 	select {
 	case p.queue <- struct{}{}:
+		if !timer.Stop() {
+			<-timer.C
+		}
 		timers.Put(timer)
 	case <-timer.C:
 		timers.Put(timer)
@@ -241,7 +244,7 @@ func (p *ConnPool) Stats() *Stats {
 	}
 }
 
-func (p *ConnPool) Closed() bool {
+func (p *ConnPool) closed() bool {
 	return atomic.LoadInt32(&p._closed) == 1
 }
 
@@ -318,7 +321,7 @@ func (p *ConnPool) reaper(frequency time.Duration) {
 	defer ticker.Stop()
 
 	for _ = range ticker.C {
-		if p.Closed() {
+		if p.closed() {
 			break
 		}
 		n, err := p.ReapStaleConns()

vendor/gopkg.in/redis.v5/internal/pool/pool_single.go

@@ -12,10 +12,6 @@ func NewSingleConnPool(cn *Conn) *SingleConnPool {
 	}
 }
 
-func (p *SingleConnPool) First() *Conn {
-	return p.cn
-}
-
 func (p *SingleConnPool) Get() (*Conn, bool, error) {
 	return p.cn, false, nil
 }
@@ -49,7 +45,3 @@ func (p *SingleConnPool) Stats() *Stats {
 func (p *SingleConnPool) Close() error {
 	return nil
 }
-
-func (p *SingleConnPool) Closed() bool {
-	return false
-}

vendor/gopkg.in/redis.v5/internal/pool/pool_sticky.go

@@ -11,7 +11,7 @@ type StickyConnPool struct {
 
 	cn     *Conn
 	closed bool
-	mx     sync.Mutex
+	mu     sync.Mutex
 }
 
 var _ Pooler = (*StickyConnPool)(nil)
@@ -23,16 +23,9 @@ func NewStickyConnPool(pool *ConnPool, reusable bool) *StickyConnPool {
 	}
 }
 
-func (p *StickyConnPool) First() *Conn {
-	p.mx.Lock()
-	cn := p.cn
-	p.mx.Unlock()
-	return cn
-}
-
 func (p *StickyConnPool) Get() (*Conn, bool, error) {
-	defer p.mx.Unlock()
-	p.mx.Lock()
+	p.mu.Lock()
+	defer p.mu.Unlock()
 
 	if p.closed {
 		return nil, false, ErrClosed
@@ -56,14 +49,12 @@ func (p *StickyConnPool) putUpstream() (err error) {
 }
 
 func (p *StickyConnPool) Put(cn *Conn) error {
-	defer p.mx.Unlock()
-	p.mx.Lock()
+	p.mu.Lock()
+	defer p.mu.Unlock()
+
 	if p.closed {
 		return ErrClosed
 	}
-	if p.cn != cn {
-		panic("p.cn != cn")
-	}
 	return nil
 }
 
@@ -74,23 +65,19 @@ func (p *StickyConnPool) removeUpstream(reason error) error {
 }
 
 func (p *StickyConnPool) Remove(cn *Conn, reason error) error {
-	defer p.mx.Unlock()
-	p.mx.Lock()
+	p.mu.Lock()
+	defer p.mu.Unlock()
+
 	if p.closed {
 		return nil
 	}
-	if p.cn == nil {
-		panic("p.cn == nil")
-	}
-	if cn != nil && p.cn != cn {
-		panic("p.cn != cn")
-	}
 	return p.removeUpstream(reason)
 }
 
 func (p *StickyConnPool) Len() int {
-	defer p.mx.Unlock()
-	p.mx.Lock()
+	p.mu.Lock()
+	defer p.mu.Unlock()
+
 	if p.cn == nil {
 		return 0
 	}
@@ -98,8 +85,9 @@ func (p *StickyConnPool) Len() int {
 }
 
 func (p *StickyConnPool) FreeLen() int {
-	defer p.mx.Unlock()
-	p.mx.Lock()
+	p.mu.Lock()
+	defer p.mu.Unlock()
+
 	if p.cn == nil {
 		return 1
 	}
@@ -111,8 +99,9 @@ func (p *StickyConnPool) Stats() *Stats {
 }
 
 func (p *StickyConnPool) Close() error {
-	defer p.mx.Unlock()
-	p.mx.Lock()
+	p.mu.Lock()
+	defer p.mu.Unlock()
+
 	if p.closed {
 		return ErrClosed
 	}
@@ -128,10 +117,3 @@ func (p *StickyConnPool) Close() error {
 	}
 	return err
 }
-
-func (p *StickyConnPool) Closed() bool {
-	p.mx.Lock()
-	closed := p.closed
-	p.mx.Unlock()
-	return closed
-}

vendor/gopkg.in/redis.v5/internal/proto/reader.go

@@ -29,10 +29,14 @@ type Reader struct {
 func NewReader(rd io.Reader) *Reader {
 	return &Reader{
 		src: bufio.NewReader(rd),
-		buf: make([]byte, 0, bufferSize),
+		buf: make([]byte, 4096),
 	}
 }
 
+func (r *Reader) Reset(rd io.Reader) {
+	r.src.Reset(rd)
+}
+
 func (p *Reader) PeekBuffered() []byte {
 	if n := p.src.Buffered(); n != 0 {
 		b, _ := p.src.Peek(n)
@@ -42,7 +46,12 @@ func (p *Reader) PeekBuffered() []byte {
 }
 
 func (p *Reader) ReadN(n int) ([]byte, error) {
-	return readN(p.src, p.buf, n)
+	b, err := readN(p.src, p.buf, n)
+	if err != nil {
+		return nil, err
+	}
+	p.buf = b
+	return b, nil
 }
 
 func (p *Reader) ReadLine() ([]byte, error) {
@@ -72,11 +81,11 @@ func (p *Reader) ReadReply(m MultiBulkParse) (interface{}, error) {
 	case ErrorReply:
 		return nil, ParseErrorReply(line)
 	case StatusReply:
-		return parseStatusValue(line)
+		return parseStatusValue(line), nil
 	case IntReply:
 		return parseInt(line[1:], 10, 64)
 	case StringReply:
-		return p.readBytesValue(line)
+		return p.readTmpBytesValue(line)
 	case ArrayReply:
 		n, err := parseArrayLen(line)
 		if err != nil {
@@ -111,9 +120,9 @@ func (p *Reader) ReadTmpBytesReply() ([]byte, error) {
 	case ErrorReply:
 		return nil, ParseErrorReply(line)
 	case StringReply:
-		return p.readBytesValue(line)
+		return p.readTmpBytesValue(line)
 	case StatusReply:
-		return parseStatusValue(line)
+		return parseStatusValue(line), nil
 	default:
 		return nil, fmt.Errorf("redis: can't parse string reply: %.100q", line)
 	}
@@ -210,7 +219,7 @@ func (p *Reader) ReadScanReply() ([]string, uint64, error) {
 	return keys, cursor, err
 }
 
-func (p *Reader) readBytesValue(line []byte) ([]byte, error) {
+func (p *Reader) readTmpBytesValue(line []byte) ([]byte, error) {
 	if isNilReply(line) {
 		return nil, internal.Nil
 	}
@@ -297,8 +306,8 @@ func ParseErrorReply(line []byte) error {
 	return internal.RedisError(string(line[1:]))
 }
 
-func parseStatusValue(line []byte) ([]byte, error) {
-	return line[1:], nil
+func parseStatusValue(line []byte) []byte {
+	return line[1:]
 }
 
 func parseArrayLen(line []byte) (int64, error) {

vendor/gopkg.in/redis.v5/internal/proto/scan.go

@@ -3,6 +3,7 @@ package proto
 import (
 	"encoding"
 	"fmt"
+	"reflect"
 
 	"gopkg.in/redis.v5/internal"
 )
@@ -105,3 +106,26 @@ func Scan(b []byte, v interface{}) error {
 			"redis: can't unmarshal %T (consider implementing BinaryUnmarshaler)", v)
 	}
 }
+
+func ScanSlice(data []string, slice interface{}) error {
+	v := reflect.ValueOf(slice)
+	if !v.IsValid() {
+		return fmt.Errorf("redis: ScanSlice(nil)")
+	}
+	if v.Kind() != reflect.Ptr {
+		return fmt.Errorf("redis: ScanSlice(non-pointer %T)", slice)
+	}
+	v = v.Elem()
+	if v.Kind() != reflect.Slice {
+		return fmt.Errorf("redis: ScanSlice(non-slice %T)", slice)
+	}
+
+	for i, s := range data {
+		elem := internal.SliceNextElem(v)
+		if err := Scan([]byte(s), elem.Addr().Interface()); err != nil {
+			return fmt.Errorf("redis: ScanSlice(index=%d value=%q) failed: %s", i, s, err)
+		}
+	}
+
+	return nil
+}

vendor/gopkg.in/redis.v5/internal/proto/write_buffer.go

@@ -8,11 +8,13 @@ import (
 
 const bufferSize = 4096
 
-type WriteBuffer struct{ b []byte }
+type WriteBuffer struct {
+	b []byte
+}
 
 func NewWriteBuffer() *WriteBuffer {
 	return &WriteBuffer{
-		b: make([]byte, 0, bufferSize),
+		b: make([]byte, 0, 4096),
 	}
 }
 

vendor/gopkg.in/redis.v5/internal/util.go

@@ -1,5 +1,7 @@
 package internal
 
+import "reflect"
+
 func ToLower(s string) string {
 	if isLower(s) {
 		return s
@@ -25,3 +27,21 @@ func isLower(s string) bool {
 	}
 	return true
 }
+
+func SliceNextElem(v reflect.Value) reflect.Value {
+	if v.Len() < v.Cap() {
+		v.Set(v.Slice(0, v.Len()+1))
+		return v.Index(v.Len() - 1)
+	}
+
+	elemType := v.Type().Elem()
+
+	if elemType.Kind() == reflect.Ptr {
+		elem := reflect.New(elemType.Elem())
+		v.Set(reflect.Append(v, elem))
+		return elem.Elem()
+	}
+
+	v.Set(reflect.Append(v, reflect.Zero(elemType)))
+	return v.Index(v.Len() - 1)
+}

vendor/gopkg.in/redis.v5/options.go

@@ -3,6 +3,7 @@ package redis
 import (
 	"crypto/tls"
 	"errors"
+	"fmt"
 	"net"
 	"net/url"
 	"strconv"
@@ -151,7 +152,7 @@ func ParseURL(redisURL string) (*Options, error) {
 		o.DB = 0
 	case 1:
 		if o.DB, err = strconv.Atoi(f[0]); err != nil {
-			return nil, errors.New("invalid redis database number: " + err.Error())
+			return nil, fmt.Errorf("invalid redis database number: %q", f[0])
 		}
 	default:
 		return nil, errors.New("invalid redis URL path: " + u.Path)

vendor/gopkg.in/redis.v5/pipeline.go

@@ -61,8 +61,8 @@ func (c *Pipeline) discard() error {
 // Exec always returns list of commands and error of the first failed
 // command if any.
 func (c *Pipeline) Exec() ([]Cmder, error) {
-	defer c.mu.Unlock()
 	c.mu.Lock()
+	defer c.mu.Unlock()
 
 	if c.closed {
 		return nil, pool.ErrClosed

vendor/gopkg.in/redis.v5/pubsub.go

@@ -3,6 +3,7 @@ package redis
 import (
 	"fmt"
 	"net"
+	"sync"
 	"time"
 
 	"gopkg.in/redis.v5/internal"
@@ -14,7 +15,9 @@ import (
 // multiple goroutines.
 type PubSub struct {
 	base baseClient
+	cmd  *Cmd
 
+	mu       sync.Mutex
 	channels []string
 	patterns []string
 }
@@ -95,10 +98,10 @@ func (c *PubSub) Close() error {
 	return c.base.Close()
 }
 
-func (c *PubSub) Ping(payload string) error {
+func (c *PubSub) Ping(payload ...string) error {
 	args := []interface{}{"PING"}
-	if payload != "" {
-		args = append(args, payload)
+	if len(payload) == 1 {
+		args = append(args, payload[0])
 	}
 	cmd := NewCmd(args...)
 
@@ -150,7 +153,13 @@ func (p *Pong) String() string {
 	return "Pong"
 }
 
-func (c *PubSub) newMessage(reply []interface{}) (interface{}, error) {
+func (c *PubSub) newMessage(reply interface{}) (interface{}, error) {
+	switch reply := reply.(type) {
+	case string:
+		return &Pong{
+			Payload: reply,
+		}, nil
+	case []interface{}:
 		switch kind := reply[0].(string); kind {
 		case "subscribe", "unsubscribe", "psubscribe", "punsubscribe":
 			return &Subscription{
@@ -174,7 +183,10 @@ func (c *PubSub) newMessage(reply []interface{}) (interface{}, error) {
 				Payload: reply[1].(string),
 			}, nil
 		default:
-		return nil, fmt.Errorf("redis: unsupported pubsub notification: %q", kind)
+			return nil, fmt.Errorf("redis: unsupported pubsub message: %q", kind)
+		}
+	default:
+		return nil, fmt.Errorf("redis: unsupported pubsub message: %#v", reply)
 	}
 }
 
@@ -182,7 +194,9 @@ func (c *PubSub) newMessage(reply []interface{}) (interface{}, error) {
 // is not received in time. This is low-level API and most clients
 // should use ReceiveMessage.
 func (c *PubSub) ReceiveTimeout(timeout time.Duration) (interface{}, error) {
-	cmd := NewSliceCmd()
+	if c.cmd == nil {
+		c.cmd = NewCmd()
+	}
 
 	cn, _, err := c.conn()
 	if err != nil {
@@ -190,13 +204,13 @@ func (c *PubSub) ReceiveTimeout(timeout time.Duration) (interface{}, error) {
 	}
 
 	cn.SetReadTimeout(timeout)
-	err = cmd.readReply(cn)
+	err = c.cmd.readReply(cn)
 	c.putConn(cn, err)
 	if err != nil {
 		return nil, err
 	}
 
-	return c.newMessage(cmd.Val())
+	return c.newMessage(c.cmd.Val())
 }
 
 // Receive returns a message as a Subscription, Message, Pong or error.
@@ -225,14 +239,14 @@ func (c *PubSub) receiveMessage(timeout time.Duration) (*Message, error) {
 			errNum++
 			if errNum < 3 {
 				if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
-					err := c.Ping("")
+					err := c.Ping()
 					if err != nil {
 						internal.Logf("PubSub.Ping failed: %s", err)
 					}
 				}
 			} else {
-				// 3 consequent errors - connection is bad
-				// and/or Redis Server is down.
+				// 3 consequent errors - connection is broken or
+				// Redis Server is down.
 				// Sleep to not exceed max number of open connections.
 				time.Sleep(time.Second)
 			}
@@ -256,9 +270,6 @@ func (c *PubSub) receiveMessage(timeout time.Duration) (*Message, error) {
 }
 
 func (c *PubSub) resubscribe() {
-	if c.base.closed() {
-		return
-	}
 	if len(c.channels) > 0 {
 		if err := c.Subscribe(c.channels...); err != nil {
 			internal.Logf("Subscribe failed: %s", err)

vendor/gopkg.in/redis.v5/redis.go

@@ -17,14 +17,6 @@ func SetLogger(logger *log.Logger) {
 	internal.Logger = logger
 }
 
-type baseClient struct {
-	connPool pool.Pooler
-	opt      *Options
-
-	process func(Cmder) error
-	onClose func() error // hook called when client is closed
-}
-
 func (c *baseClient) String() string {
 	return fmt.Sprintf("Redis<%s db:%d>", c.getAddr(), c.opt.DB)
 }
@@ -134,10 +126,6 @@ func (c *baseClient) cmdTimeout(cmd Cmder) time.Duration {
 	}
 }
 
-func (c *baseClient) closed() bool {
-	return c.connPool.Closed()
-}
-
 // Close closes the client, releasing any open resources.
 //
 // It is rare to Close a Client, as the Client is meant to be
@@ -309,6 +297,13 @@ func NewClient(opt *Options) *Client {
 	return newClient(opt, newConnPool(opt))
 }
 
+func (c *Client) copy() *Client {
+	c2 := new(Client)
+	*c2 = *c
+	c2.cmdable.process = c2.Process
+	return c2
+}
+
 // PoolStats returns connection pool stats.
 func (c *Client) PoolStats() *PoolStats {
 	s := c.connPool.Stats()

vendor/gopkg.in/redis.v5/redis_context.go

@@ -0,0 +1,35 @@
+// +build go1.7
+
+package redis
+
+import (
+	"context"
+
+	"gopkg.in/redis.v5/internal/pool"
+)
+
+type baseClient struct {
+	connPool pool.Pooler
+	opt      *Options
+
+	process func(Cmder) error
+	onClose func() error // hook called when client is closed
+
+	ctx context.Context
+}
+
+func (c *Client) Context() context.Context {
+	if c.ctx != nil {
+		return c.ctx
+	}
+	return context.Background()
+}
+
+func (c *Client) WithContext(ctx context.Context) *Client {
+	if ctx == nil {
+		panic("nil context")
+	}
+	c2 := c.copy()
+	c2.ctx = ctx
+	return c2
+}

vendor/gopkg.in/redis.v5/redis_no_context.go

@@ -0,0 +1,15 @@
+// +build !go1.7
+
+package redis
+
+import (
+	"gopkg.in/redis.v5/internal/pool"
+)
+
+type baseClient struct {
+	connPool pool.Pooler
+	opt      *Options
+
+	process func(Cmder) error
+	onClose func() error // hook called when client is closed
+}

vendor/gopkg.in/redis.v5/ring.go

@@ -328,8 +328,8 @@ func (c *Ring) heartbeat() {
 // It is rare to Close a Ring, as the Ring is meant to be long-lived
 // and shared between many goroutines.
 func (c *Ring) Close() error {
-	defer c.mu.Unlock()
 	c.mu.Lock()
+	defer c.mu.Unlock()
 
 	if c.closed {
 		return nil

vendor/gopkg.in/redis.v5/sentinel.go

@@ -162,8 +162,8 @@ func (d *sentinelFailover) Pool() *pool.ConnPool {
 }
 
 func (d *sentinelFailover) MasterAddr() (string, error) {
-	defer d.mu.Unlock()
 	d.mu.Lock()
+	defer d.mu.Unlock()
 
 	// Try last working sentinel.
 	if d.sentinel != nil {
@@ -258,7 +258,7 @@ func (d *sentinelFailover) discoverSentinels(sentinel *sentinelClient) {
 // closeOldConns closes connections to the old master after failover switch.
 func (d *sentinelFailover) closeOldConns(newMaster string) {
 	// Good connections that should be put back to the pool. They
-	// can't be put immediately, because pool.First will return them
+	// can't be put immediately, because pool.PopFree will return them
 	// again on next iteration.
 	cnsToPut := make([]*pool.Conn, 0)
 
@@ -267,10 +267,10 @@ func (d *sentinelFailover) closeOldConns(newMaster string) {
 		if cn == nil {
 			break
 		}
-		if cn.NetConn.RemoteAddr().String() != newMaster {
+		if cn.RemoteAddr().String() != newMaster {
 			err := fmt.Errorf(
 				"sentinel: closing connection to the old master %s",
-				cn.NetConn.RemoteAddr(),
+				cn.RemoteAddr(),
 			)
 			internal.Logf(err.Error())
 			d.pool.Remove(cn, err)
@@ -289,8 +289,10 @@ func (d *sentinelFailover) listen(sentinel *sentinelClient) {
 	for {
 		if pubsub == nil {
 			pubsub = sentinel.PubSub()
+
 			if err := pubsub.Subscribe("+switch-master"); err != nil {
 				internal.Logf("sentinel: Subscribe failed: %s", err)
+				pubsub.Close()
 				d.resetSentinel()
 				return
 			}

vendor/gopkg.in/thehowl/go-osuapi.v1/osubool.go

@@ -9,7 +9,7 @@ type OsuBool bool
 
 // UnmarshalJSON converts `"0"` to false and `"1"` to true.
 func (o *OsuBool) UnmarshalJSON(data []byte) error {
-	if string(data) == `"0"` {
+	if string(data) == `0` {
 		*o = false
 		return nil
 	}

vendor/vendor.json

@@ -99,10 +99,10 @@
 			"revisionTime": "2016-10-10T15:00:23Z"
 		},
 		{
-			"checksumSHA1": "kUH66xItMsO3QDibGHCWZHa9B3o=",
+			"checksumSHA1": "9ujFdggUmv6hyAgJ+Bjugh0UZAc=",
 			"path": "github.com/thehowl/go-osuapi",
-			"revision": "77ef7867f23cd52e80dcf97e62447d3b36b1d26a",
-			"revisionTime": "2016-10-17T20:25:41Z"
+			"revision": "23480db9e43c9a8080cbb681ceaed855e5fca7f3",
+			"revisionTime": "2017-03-12T09:17:38Z"
 		},
 		{
 			"checksumSHA1": "LTOa3BADhwvT0wFCknPueQALm8I=",
@@ -141,46 +141,46 @@
 			"revisionTime": "2017-01-10T16:23:43Z"
 		},
 		{
-			"checksumSHA1": "4+WlWTIczvywOonXZGH34YdCf6s=",
+			"checksumSHA1": "OU/wHTJqhyQfyRnXMVWx1Ox06kQ=",
 			"path": "gopkg.in/redis.v5",
-			"revision": "6da05abbaa03e90e5878f0ab711478698609fe96",
-			"revisionTime": "2017-01-13T11:52:40Z"
+			"revision": "a16aeec10ff407b1e7be6dd35797ccf5426ef0f0",
+			"revisionTime": "2017-03-04T11:38:25Z"
 		},
 		{
-			"checksumSHA1": "MQyhe1N+NO0+uyJiEc6M2WGfb3s=",
+			"checksumSHA1": "efyYmNqK7vcPhXW4KXfwbdA1wr4=",
 			"path": "gopkg.in/redis.v5/internal",
-			"revision": "6da05abbaa03e90e5878f0ab711478698609fe96",
-			"revisionTime": "2017-01-13T11:52:40Z"
+			"revision": "a16aeec10ff407b1e7be6dd35797ccf5426ef0f0",
+			"revisionTime": "2017-03-04T11:38:25Z"
 		},
 		{
 			"checksumSHA1": "2Ek4SixeRSKOX3mUiBMs3Aw+Guc=",
 			"path": "gopkg.in/redis.v5/internal/consistenthash",
-			"revision": "6da05abbaa03e90e5878f0ab711478698609fe96",
-			"revisionTime": "2017-01-13T11:52:40Z"
+			"revision": "a16aeec10ff407b1e7be6dd35797ccf5426ef0f0",
+			"revisionTime": "2017-03-04T11:38:25Z"
 		},
 		{
 			"checksumSHA1": "rJYVKcBrwYUGl7nuuusmZGrt8mY=",
 			"path": "gopkg.in/redis.v5/internal/hashtag",
-			"revision": "6da05abbaa03e90e5878f0ab711478698609fe96",
-			"revisionTime": "2017-01-13T11:52:40Z"
+			"revision": "a16aeec10ff407b1e7be6dd35797ccf5426ef0f0",
+			"revisionTime": "2017-03-04T11:38:25Z"
 		},
 		{
-			"checksumSHA1": "yLZQUKNxXzwGlzfXhWC0Mwme2nw=",
+			"checksumSHA1": "zsH5BF9qc31R7eEEVYLsjbIigDQ=",
 			"path": "gopkg.in/redis.v5/internal/pool",
-			"revision": "6da05abbaa03e90e5878f0ab711478698609fe96",
-			"revisionTime": "2017-01-13T11:52:40Z"
+			"revision": "a16aeec10ff407b1e7be6dd35797ccf5426ef0f0",
+			"revisionTime": "2017-03-04T11:38:25Z"
 		},
 		{
-			"checksumSHA1": "KoSfO3h/KmlaGphIM4KzBGm65O4=",
+			"checksumSHA1": "EqPdu5g8NhzxQOMCvzbreTQlzVE=",
 			"path": "gopkg.in/redis.v5/internal/proto",
-			"revision": "6da05abbaa03e90e5878f0ab711478698609fe96",
-			"revisionTime": "2017-01-13T11:52:40Z"
+			"revision": "a16aeec10ff407b1e7be6dd35797ccf5426ef0f0",
+			"revisionTime": "2017-03-04T11:38:25Z"
 		},
 		{
-			"checksumSHA1": "IVLVpxH6lCjsiVVIl/qf8ftjXbg=",
+			"checksumSHA1": "va1m3wm/nxA5IEC/3r4GQeT/+Ro=",
 			"path": "gopkg.in/thehowl/go-osuapi.v1",
-			"revision": "77ef7867f23cd52e80dcf97e62447d3b36b1d26a",
-			"revisionTime": "2016-10-17T20:25:41Z"
+			"revision": "23480db9e43c9a8080cbb681ceaed855e5fca7f3",
+			"revisionTime": "2017-03-12T09:17:38Z"
 		},
 		{
 			"checksumSHA1": "SI9tgNMlnMhxP7t6cAGuDjvoAHg=",