Add various debugging utilities

konata.sh

@@ -51,9 +51,16 @@ sendpic(){
 		-d "chat_id=$chat" -d "parse_mode=markdownv2" \
 		-d "photo=$1" -d "caption=$2"
 }
+fdebug(){
+	debug "Entered function $1()."
+}
+debug(){
+	[ ! -z $debug ] && echo "[DEBUG] $1" >&2
+}
 
 # Public commands
 help(){
+	fdebug "help"
 	sendmsg "Hiya! I'm [ghnou](tg://user?id=990244311)'s personal bot, Konata.
 	Currently I have the following features:
 	- /help - Show this help message.
@@ -71,10 +78,12 @@ help(){
 }
 
 alive(){
+	fdebug "alive"
 	sendmsg "Alive and well!"
 }
 
 cv(){
+	fdebug "cv"
 	stats=$(curl -s "https://corona.lmao.ninja/v2/countries/$args")
 	country=$(jq -r '.country' <<< $stats)
 	cases=$(jq -r '.todayCases' <<< $stats)
@@ -89,10 +98,12 @@ cv(){
 }
 
 id(){
+	fdebug "id"
 	sendmsg "Chat ID: $chat"
 }
 
 ud(){
+	fdebug "ud"
 	enc=$(echo "$args" | sed "s/\ /%20/g")
 	res=$(curl -s "https://api.urbandictionary.com/v0/define?term=$enc")
 	if jq -re '.list[0].definition' <<< $res
@@ -109,6 +120,7 @@ ud(){
 }
 
 konata(){
+	fdebug "konata"
 	data=$(curl -s "https://konachan.net/post.json?limit=1&page=1&tags=order:random%20izumi_konata")
 	jpeg=$(jq -r '.[0].jpeg_url' <<< $data)
 	file=$(jq -r '.[0].file_url' <<< $data)
@@ -124,6 +136,7 @@ konata(){
 # Administrative
 mp3(){
 	admin
+	fdebug "mp3"
 	tmp="/tmp/mp3"
 	[ -d $tmp ] && mkdir $tmp
 	sendmsg "Downloading, this might take a while..."
@@ -140,6 +153,7 @@ mp3(){
 
 stat(){
 	admin
+	fdebug "stat"
 	total=$(grep MemTotal /proc/meminfo | awk '{print $2}')
 	avail=$(grep MemAvailable /proc/meminfo | awk '{print $2}')
 	used=$(bc <<< "$total-$avail")
@@ -150,20 +164,23 @@ stat(){
 
 term(){
 	admin
+	fdebug "term"
 	sendmsg "\`$(whoami)@${HOSTNAME}:${PWD}$\` \`$args\`
 	\`$(echo $args | bash - 2>&1)\`"
 }
 
 fail(){
+	debug "User @$user tried to execute $cmd and was rejected."
 	sendmsg "Sorry, you are not allowed to use this command!"
 	exit 1
 }
 
 admin(){
 	case $user in
-		ghnou)	continue ;;
+		ghnou)	true ;;
 		*)	fail ;;
 	esac
+	debug "Admin @$user tried to execute $cmd and was approved."
 }
 
 # Notes and such