From da7a3f1f215f8876da96570b8c0f4e42688bf88a Mon Sep 17 00:00:00 2001
From: "Kay Marquardt (Gnadelwartz)" <kay@rrr.de>
Date: Sun, 13 Dec 2020 12:00:18 +0100
Subject: [PATCH] detect supergroup migration

---
 bashbot.sh     | 18 +++++++++++++-----
 doc/2_usage.md |  8 ++++++--
 2 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/bashbot.sh b/bashbot.sh
index 5c4a2d5..a54bd77 100755
--- a/bashbot.sh
+++ b/bashbot.sh
@@ -11,7 +11,7 @@
 # This file is public domain in the USA and all free countries.
 # Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
 #
-#### $$VERSION$$ v1.2-dev2-3-gcdb63b8
+#### $$VERSION$$ v1.2-dev2-4-g22741d9
 #
 # Exit Codes:
 # - 0 success (hopefully)
@@ -304,7 +304,7 @@ declare -rx BOTTOKEN URL ME_URL UPD_URL GETFILE_URL
 
 declare -ax CMD
 declare -Ax UPD BOTSENT USER MESSAGE URLS CONTACT LOCATION CHAT FORWARD REPLYTO VENUE iQUERY
-declare -Ax SERVICE NEWMEMBER LEFTMEMBER PINNED
+declare -Ax SERVICE NEWMEMBER LEFTMEMBER PINNED MIGRATE
 export res CAPTION
 
 
@@ -828,7 +828,7 @@ pre_process_message(){
 	local num="${1}"
 	# unset everything to not have old values
 	CMD=( ); iQUERY=( ); MESSAGE=(); CHAT=(); USER=(); CONTACT=(); LOCATION=(); unset CAPTION
-	REPLYTO=( ); FORWARD=( ); URLS=(); VENUE=( ); SERVICE=( ); NEWMEMBER=( ); LEFTMEMBER=( ); PINNED=( )
+	REPLYTO=( ); FORWARD=( ); URLS=(); VENUE=( ); SERVICE=( ); NEWMEMBER=( ); LEFTMEMBER=( ); PINNED=( ); MIGRATE=( )
 	iQUERY[ID]="${UPD["result",${num},"inline_query","id"]}"
 	CHAT[ID]="${UPD["result",${num},"message","chat","id"]}"
 	USER[ID]="${UPD["result",${num},"message","from","id"]}"
@@ -959,12 +959,20 @@ process_message() {
 	    fi
 	    # pinned message
 	    if [ -n "${UPD["result",${num},"message","pinned_message","message_id"]}" ]; then
-		SERVICE[PINNED]="$(JsonDecode "${UPD["result",${num},"message","pinned_message","message_id"]}")"
+		SERVICE[PINNED]="${UPD["result",${num},"message","pinned_message","message_id"]}"
 		PINNED[ID]="${SERVICE[PINNED]}"
 		PINNED[MESSAGE]="$(JsonDecode "${UPD["result",${num},"message","pinned_message","text"]}")"
-		[ -z "${MESSAGE[0]}" ] && [ -n "${SERVICE[PINNED]}" ] &&\
+		[ -z "${MESSAGE[0]}" ] &&\
 			MESSAGE[0]="/_new_pinned_message ${USER[ID]} ${PINNED[ID]} ${PINNED[MESSAGE]}"
 	    fi
+	    # migrate to super group
+	    if [ -n "${UPD["result",${num},"message","migrate_to_chat_id"]}" ]; then
+		MIGRATE[TO]="${UPD["result",${num},"message","migrate_to_chat_id"]}"
+		MIGRATE[FROM]="${UPD["result",${num},"message","migrate_from_chat_id"]}"
+		SERVICE[MIGRATE]="${MIGRATE[FROM]} ${MIGRATE[TO]}"
+		[ -z "${MESSAGE[0]}" ] &&\
+			MESSAGE[0]="/_migrate_chat ${SERVICE[MIGRATE]}"
+	    fi
 	    # set SERVICE to yes if a service message was received
 	    [[ "${SERVICE[*]}" =~  ^[[:blank:]]*$ ]] || SERVICE[0]="yes"
 	fi
diff --git a/doc/2_usage.md b/doc/2_usage.md
index ad43bd2..13411fa 100644
--- a/doc/2_usage.md
+++ b/doc/2_usage.md
@@ -186,10 +186,14 @@ e.g. if a new user joins a chat MESSAGE is set to "/_new_chat_user".
         * ```${MESSAGE}```: /_new_chat_title SENDER TEXT
     * ```${SERVICE[NEWPHOTO]}```: New Chat Picture 
         * ```${MESSAGE}```: /_new_chat_picture SENDER URL
-    * ```${SERVICE[PINNED]}```: Pinned Message structure
+    * ```${SERVICE[PINNED]}```: Pinned MESSAGE ID
         * ```${MESSAGE}```: /_new_pinned_message SENDER ID
         * ```${PINNED[ID]}```: Id of pinned message
         * ```${PINNED[MESSAGE]}```: Message text of pinned message
+    * ```${SERVICE[MIGRATE]}```: Old and new group id
+        * ```${MESSAGE}```: /_migrate_chat MIGRATE_FROM MIGRATE_TO
+        * ```${MIGRATE[FROM]}```: Old group id
+        * ```${MIGRATE[TO]}```: New group id
 
 
 
@@ -294,5 +298,5 @@ send_action "${CHAT[ID]}" "action"
 #### [Prev Create Bot](1_firstbot.md)
 #### [Next Advanced Usage](3_advanced.md)
 
-#### $$VERSION$$ v1.2-11-g5db2ef6
+#### $$VERSION$$ v1.2-dev2-4-g22741d9