#!/bin/sh
# (c) 2003 S. Smeenk <ssmeenk@freshdot.net>

MAILDIR=/home/ssmeenk/Maildir
HOOKS=/home/ssmeenk/.mutt/folderhooks
ACTED=0
TEMP=`mktemp`

if [ -e $HOOKS ]; then
	# For safety, put a backup copy :)
	cp $HOOKS $HOOKS.backup
	mv -f $HOOKS $TEMP
else
	echo "[!] $HOOKS: File not found!"
	exit 0
fi

if ! cat $TEMP | grep -q 'folder-hook \. unmy_hdr From:'; then
	echo "[!] No default folder-hook found! [FIXED]"
	echo "folder-hook . unmy_hdr From:" >> $TEMP
fi

echo "[*] Checking for non-existing folderhooks ..."

for FOLDER in `cat $TEMP | grep -v "^#" | awk '{print $2}'`; do
	if ! [ -d $MAILDIR/$FOLDER ]; then
		echo    "[?] Folder $FOLDER was found deleted! Removed hook."
		TEMP2=`mktemp`
		grep -v "$FOLDER" $TEMP > $TEMP2
		mv $TEMP2 $TEMP
	fi
done

echo "[*] Stage one completed."
mv $TEMP $HOOKS
echo "[*] Checking for new folders."

for MAILDIR in `mailboxes | sed -e 's/=//g'`
do
	if ! grep -q "$MAILDIR" $HOOKS; then
		echo "[*] No folder-hook for '$MAILDIR'!"
		echo "    Leave fields empty to use alternates / default from"
		echo "    What real name should be used for this folder:"
		echo -n "    > "
		read REALN
		echo "    What email address should be used for this folder:"
		echo -n "    > "
		read EMAIL
		if [ "x$REALN" == "x" ] && [ "x$EMAIL" == "x" ]; then
			echo "folder-hook $MAILDIR unmy_hdr From:" >> $HOOKS
		else
			echo "folder-hook $MAILDIR my_hdr From: $REALN <$EMAIL>" >> $HOOKS
		fi
		echo "  "
		ACTED=1
	fi
done

# Reverse sort the list :)
TEMP=`mktemp`
sort < $HOOKS > $TEMP
mv $TEMP $HOOKS

echo "[*] Stage two completed."

if [ "$ACTED" = "1" ]; then 
	echo "[*] New folder-hooks installed succesfully."
else 
	echo "[*] No new maildirs found."
fi