#!/bin/bash

version=0.21
program=${0##*/}
progdir=${0%/*}
if [ "$progdir" = "$program" ]; then progdir="."; fi

function die() { 
    echo -e "\n$program: Error: ${1:0:160} ..."  >&2
    exit 1
}

function warn() { 
	logger -i -p user.warn -t $program "$*"
	echo "$program: Warning: $*" 1>&2; 
}

function note() { 
	logger -i -p user.notice -t $program "$*"
	if [ -n "$OPT_VERBOSE" ]; then echo -e "$*"; fi
}

function version() {  
	echo -e "$program: v$version\n\nRunning as $(id -urn) on $(date +'%Y-%m-%d %H:%M')"
}

#[ "$#" -gt 0 ] || die "Expected the ietf number as argument on the command line, but found nothing"
#[ $1 -gt 70 ]  || die "Expected the ietf number as argument on the command line, but found '$1'"

#if [ "$1" ]; then arg=$1; else arg=$(svn info http://svn.tools.ietf.org/svn/tools/ietfdb/trunk/ | egrep "^Last Changed Rev" | awk '{print $4}'); fi
if [ "$1" ]; then arg=$1; else arg=$(svn ls http://svn.tools.ietf.org/svn/tools/ietfdb/tags/ | tail -n 1 | sed -r 's/^(.*)\/$/v\1/' ); fi

if [ "${arg:0:1}" = "v" ]; then
    source="tags/${arg:1}"
    target="$arg"
    rev="release $arg"
else
    source="trunk@$arg"
    target="r$arg"
    rev="repository rev r$arg"
fi

function mksvndir() {
    who=$1
    if [ "$2" ]; then dir=$2; else dir=$who; fi
    if ! svn info http://svn.tools.ietf.org/svn/tools/ietfdb/personal/$dir >/dev/null 2>&1 ; then
	echo "Creating personal directory area for IETF datatracker coding: /personal/$dir"
	svn mkdir http://svn.tools.ietf.org/svn/tools/ietfdb/personal/$dir -m "Personal SVN dir for $who, for IETF datatracker code"
    else
	echo "Repository area personal/$dir is already in place."
    fi
}

num=$( < /www/tools.ietf.org/meta/current-ietf-number.txt)
trac-admin /www/tools.ietf.org/tools/ietfdb wiki export IETF${num}SprintSignUp	\
	| egrep "^\|\|" | tail -n +2 | python -c '
import sys, re
for line in sys.stdin:
    blank, name, email, rest = line.strip().split("||", 3)
    login, dummy  = re.split("[@.]", email, 1)
    print "\t".join((login.strip().lower(), email.strip().lower(), name.strip())) ' \
	| $progdir/update $progdir/sprint$num.txt

cat $(ls $progdir/sprint*.txt | tail -n 4) | sed 's/[ \t]*$//' | sort | uniq | while read login email name; do 
    echo ""
    echo "$login ($name <$email>):"
    mksvndir $login
    if ! svn info http://svn.tools.ietf.org/svn/tools/ietfdb/personal/$login/$target >/dev/null 2>&1 ; then
	echo "  creating $target branch for $login ($name)."
	svn cp http://svn.tools.ietf.org/svn/tools/ietfdb/$source http://svn.tools.ietf.org/svn/tools/ietfdb/personal/$login/$target/ -m "New IETF datatracker coding branch for $name"	\
	&& mail "$name <$email>" -s "A new SVN branch for you for IETF datatracker coding${rev:+, based on $rev}." -b henrik@levkowetz.com <<-EOF
	    Hi,

	    This mail has been automatically generated by the $program script.

	    A new SVN branch has been set up for you for IETF datatracker coding, at
	      http://svn.tools.ietf.org/svn/tools/ietfdb/personal/$login/$target
	    ${rev:+This branch is based on $rev.  }You can check it out by doing
	      svn co http://svn.tools.ietf.org/svn/tools/ietfdb/personal/$login/$target

	    (More instructions about setup is available at
	      http://trac.tools.ietf.org/tools/ietfdb/wiki/SprintCoderSetup)


	    Best,

	           Henrik (via the $program script)

	EOF
    else
	echo "  branch personal/$login/$target already exists."
    fi
done