9 files changed, 40 insertions, 13 deletions
diff --git a/vendor/github.com/slack-go/slack/README.md b/vendor/github.com/slack-go/slack/README.md
index cebbf48b..7be89066 100644
--- a/vendor/github.com/slack-go/slack/README.md
+++ b/vendor/github.com/slack-go/slack/README.md
@@ -1,6 +1,6 @@
 Slack API in Go [![GoDoc](https://godoc.org/github.com/slack-go/slack?status.svg)](https://godoc.org/github.com/slack-go/slack) [![Build Status](https://travis-ci.org/slack-go/slack.svg)](https://travis-ci.org/slack-go/slack)
 ===============
-This is the original Slack library for Go created by Norberto Lopez, transferred to a Github organization.
+This is the original Slack library for Go created by Norberto Lopes, transferred to a Github organization.
 
 [![Join the chat at https://gitter.im/go-slack/Lobby](https://badges.gitter.im/go-slack/Lobby.svg)](https://gitter.im/go-slack/Lobby?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
diff --git a/vendor/github.com/slack-go/slack/attachments.go b/vendor/github.com/slack-go/slack/attachments.go
index b5b79f9f..69b223a2 100644
--- a/vendor/github.com/slack-go/slack/attachments.go
+++ b/vendor/github.com/slack-go/slack/attachments.go
@@ -80,6 +80,11 @@ type Attachment struct {
 	ImageURL string `json:"image_url,omitempty"`
 	ThumbURL string `json:"thumb_url,omitempty"`
 
+	ServiceName string `json:"service_name,omitempty"`
+	ServiceIcon string `json:"service_icon,omitempty"`
+	FromURL     string `json:"from_url,omitempty"`
+	OriginalURL string `json:"original_url,omitempty"`
+
 	Fields     []AttachmentField  `json:"fields,omitempty"`
 	Actions    []AttachmentAction `json:"actions,omitempty"`
 	MarkdownIn []string           `json:"mrkdwn_in,omitempty"`
diff --git a/vendor/github.com/slack-go/slack/block_element.go b/vendor/github.com/slack-go/slack/block_element.go
index 4157016c..bf068440 100644
--- a/vendor/github.com/slack-go/slack/block_element.go
+++ b/vendor/github.com/slack-go/slack/block_element.go
@@ -268,6 +268,7 @@ type MultiSelectBlockElement struct {
 	InitialConversations []string                  `json:"initial_conversations,omitempty"`
 	InitialChannels      []string                  `json:"initial_channels,omitempty"`
 	MinQueryLength       *int                      `json:"min_query_length,omitempty"`
+	MaxSelectedItems     *int                      `json:"max_selected_items,omitempty"`
 	Confirm              *ConfirmationBlockObject  `json:"confirm,omitempty"`
 }
 
diff --git a/vendor/github.com/slack-go/slack/block_input.go b/vendor/github.com/slack-go/slack/block_input.go
index 10638cd9..087571af 100644
--- a/vendor/github.com/slack-go/slack/block_input.go
+++ b/vendor/github.com/slack-go/slack/block_input.go
@@ -4,12 +4,13 @@ package slack
 //
 // More Information: https://api.slack.com/reference/block-kit/blocks#input
 type InputBlock struct {
-	Type     MessageBlockType `json:"type"`
-	BlockID  string           `json:"block_id,omitempty"`
-	Label    *TextBlockObject `json:"label"`
-	Element  BlockElement     `json:"element"`
-	Hint     *TextBlockObject `json:"hint,omitempty"`
-	Optional bool             `json:"optional,omitempty"`
+	Type           MessageBlockType `json:"type"`
+	BlockID        string           `json:"block_id,omitempty"`
+	Label          *TextBlockObject `json:"label"`
+	Element        BlockElement     `json:"element"`
+	Hint           *TextBlockObject `json:"hint,omitempty"`
+	Optional       bool             `json:"optional,omitempty"`
+	DispatchAction bool             `json:"dispatch_action,omitempty"`
 }
 
 // BlockType returns the type of the block
diff --git a/vendor/github.com/slack-go/slack/block_object.go b/vendor/github.com/slack-go/slack/block_object.go
index d17806ca..5ced7f92 100644
--- a/vendor/github.com/slack-go/slack/block_object.go
+++ b/vendor/github.com/slack-go/slack/block_object.go
@@ -2,6 +2,7 @@ package slack
 
 import (
 	"encoding/json"
+	"errors"
 )
 
 // Block Objects are also known as Composition Objects
@@ -135,6 +136,20 @@ func (s TextBlockObject) MixedElementType() MixedElementType {
 	return MixedElementText
 }
 
+// Validate checks if TextBlockObject has valid values
+func (s TextBlockObject) Validate() error {
+	if s.Type != "plain_text" && s.Type != "mrkdwn" {
+		return errors.New("type must be either of plain_text or mrkdwn")
+	}
+
+	// https://github.com/slack-go/slack/issues/881
+	if s.Type == "mrkdwn" && s.Emoji {
+		return errors.New("emoji cannot be true in mrkdown")
+	}
+
+	return nil
+}
+
 // NewTextBlockObject returns an instance of a new Text Block Object
 func NewTextBlockObject(elementType, text string, emoji, verbatim bool) *TextBlockObject {
 	return &TextBlockObject{
diff --git a/vendor/github.com/slack-go/slack/reminders.go b/vendor/github.com/slack-go/slack/reminders.go
index f312af3f..ae1da866 100644
--- a/vendor/github.com/slack-go/slack/reminders.go
+++ b/vendor/github.com/slack-go/slack/reminders.go
@@ -22,7 +22,7 @@ type reminderResp struct {
 
 type remindersResp struct {
 	SlackResponse
-	Reminders []Reminder `json:"reminders"`
+	Reminders []*Reminder `json:"reminders"`
 }
 
 func (api *Client) doReminder(ctx context.Context, path string, values url.Values) (*Reminder, error) {
@@ -42,7 +42,7 @@ func (api *Client) doReminders(ctx context.Context, path string, values url.Valu
 	// create an array of pointers to reminders
 	var reminders = make([]*Reminder, 0, len(response.Reminders))
 	for _, reminder := range response.Reminders {
-		reminders = append(reminders, &reminder)
+		reminders = append(reminders, reminder)
 	}
 
 	return reminders, response.Err()
diff --git a/vendor/github.com/slack-go/slack/users.go b/vendor/github.com/slack-go/slack/users.go
index 5d8cb35f..82657d76 100644
--- a/vendor/github.com/slack-go/slack/users.go
+++ b/vendor/github.com/slack-go/slack/users.go
@@ -644,10 +644,13 @@ type getUserProfileResponse struct {
 
 // GetUserProfileContext retrieves a user's profile information with a context.
 func (api *Client) GetUserProfileContext(ctx context.Context, userID string, includeLabels bool) (*UserProfile, error) {
-	values := url.Values{"token": {api.token}, "user": {userID}}
+	values := url.Values{"token": {api.token}}
 	if includeLabels {
 		values.Add("include_labels", "true")
 	}
+	if userID != "" {
+		values.Add("user", userID)
+	}
 	resp := &getUserProfileResponse{}
 
 	err := api.postMethod(ctx, "users.profile.get", values, &resp)
diff --git a/vendor/github.com/slack-go/slack/websocket_internals.go b/vendor/github.com/slack-go/slack/websocket_internals.go
index 3e1906ee..454a2133 100644
--- a/vendor/github.com/slack-go/slack/websocket_internals.go
+++ b/vendor/github.com/slack-go/slack/websocket_internals.go
@@ -94,6 +94,7 @@ func (i *IncomingEventError) Error() string {
 // AckErrorEvent i
 type AckErrorEvent struct {
 	ErrorObj error
+	ReplyTo  int
 }
 
 func (a *AckErrorEvent) Error() string {
diff --git a/vendor/github.com/slack-go/slack/websocket_managed_conn.go b/vendor/github.com/slack-go/slack/websocket_managed_conn.go
index fe6802e4..5555c316 100644
--- a/vendor/github.com/slack-go/slack/websocket_managed_conn.go
+++ b/vendor/github.com/slack-go/slack/websocket_managed_conn.go
@@ -91,6 +91,7 @@ func (rtm *RTM) connect(connectionCount int, useRTMStart bool) (*Info, *websocke
 		errInvalidAuth      = "invalid_auth"
 		errInactiveAccount  = "account_inactive"
 		errMissingAuthToken = "not_authed"
+		errTokenRevoked     = "token_revoked"
 	)
 
 	// used to provide exponential backoff wait time with jitter before trying
@@ -118,7 +119,7 @@ func (rtm *RTM) connect(connectionCount int, useRTMStart bool) (*Info, *websocke
 
 		// check for fatal errors
 		switch err.Error() {
-		case errInvalidAuth, errInactiveAccount, errMissingAuthToken:
+		case errInvalidAuth, errInactiveAccount, errMissingAuthToken, errTokenRevoked:
 			rtm.Debugf("invalid auth when connecting with RTM: %s", err)
 			rtm.IncomingEvents <- RTMEvent{"invalid_auth", &InvalidAuthEvent{}}
 			return nil, nil, err
@@ -438,10 +439,10 @@ func (rtm *RTM) handleAck(event json.RawMessage) {
 		if ack.RTMResponse.Error.Code == -1 && ack.RTMResponse.Error.Msg == "slow down, too many messages..." {
 			rtm.IncomingEvents <- RTMEvent{"ack_error", &RateLimitEvent{}}
 		} else {
-			rtm.IncomingEvents <- RTMEvent{"ack_error", &AckErrorEvent{ack.Error}}
+			rtm.IncomingEvents <- RTMEvent{"ack_error", &AckErrorEvent{ack.Error, ack.ReplyTo}}
 		}
 	} else {
-		rtm.IncomingEvents <- RTMEvent{"ack_error", &AckErrorEvent{fmt.Errorf("ack decode failure")}}
+		rtm.IncomingEvents <- RTMEvent{"ack_error", &AckErrorEvent{ErrorObj: fmt.Errorf("ack decode failure")}}
 	}
 }