#!/usr/bin/bash
export TTY

if [ $# -lt 1 ]; then
	echo "$0: usage: $0 <username>"
	exit
fi

if [ -z "$migratedir" ]; then
	echo "$0: must be run by the wrapper script or \$migratedir must be defined."
	exit
fi

if [ -z "$sourcedir" -o -z "$destdir" ]; then
	if [ -f ${migratedir}/parameters ]; then
		source ${migratedir}/parameters
	else
		echo "$0: no parameters set and ${migratedir}/parameters doesn't exist."
		exit
	fi
fi

i=$1

cd $sourcedir

suserd=${sourcedir}/${i}
duserd=${destdir}/${i}

smaild=${suserd}/Mail
dmaild=${duserd}/Maildir

echo "Finding and migrating: $suserd -> $dmaild"

if [ -f ${smaild}/.subscriptions -a -f ${suserd}/.mailboxlist ]; then
	echo "Both .mailboxlist and .subscriptions files found, merging and migrating."
	cat ${suserd}/.mailboxlist ${smaild}/.subscriptions | sed -e 's?^Mail/??g' | sed -e 's?^mail/??g'| sort | uniq > ${dmaild}/subscriptions
elif [ -f ${smaild}/.subscriptions ]; then
	echo "Using existing subscriptions file."
	cp ${smaild}/.subscriptions ${dmaild}/subscriptions
elif [ -f ${suserd}/.mailboxlist ]; then
	echo "Migrating existing .mailboxlist file."
	sed -e 's?^Mail/??g' < ${suserd}/.mailboxlist | sed -e 's?^mail/??g'| sort | uniq > ${dmaild}/subscriptions
fi

if [ ! -d $smaild ]; then
	echo "User's Mail is not a directory."
	ls -ld $smaild
fi

echo -n "Searching for mbox mailboxes not in the Mail subdirectory... "

gfind -H ${suserd} -maxdepth 5 -type f | gegrep -v "${suserd}/(mail|Mail)" | grep -v "/\." > ${duserd}/filelist

${migratedir}/findmailfiles < ${duserd}/filelist > ${duserd}/mailfiles

echo "done."
echo "Migrating mailboxes found:"

while read j
do
	echo "$j"
	maildir=${dmaild}/.`echo $j | sed -e "s?${suserd}\/??" | sed -e 's/\//./g'`

	mb2md -s "${j}" -d "${maildir}" 2> /dev/null > /dev/null < /dev/null
done < ${duserd}/mailfiles

rm ${duserd}/mailfiles ${duserd}/filelist

echo
echo -n "Migrating mailboxes found in Mail subdirectory... "

mb2md -R -s ${smaild} -d ${dmaild} 2> /dev/null > /dev/null < /dev/null

echo "done."