#!/bin/sh

# $Id$
# $Source$

die() { echo "$*" >&2; exit 1; }

export LOCKFILE=${HOME}/.cvsup/$1_lock
export DATEFILE=${HOME}/.cvsup/$1_date

if ( [ ${#} -ne 2 ] ); then
	die "Usage: cvsup <tree> <branch>\n"
fi

if ( [ -e $LOCKFILE ]); then
	LOCKPID=`cat $LOCKFILE`
	if ( ! ps -p $LOCKPID|egrep -q "$LOCKPID" ); then
		die "Stale lockfile found: $LOCKFILE"
	else
		if ( ! [ -z "$PS1" ] ); then
			echo "already running..."
		fi
		exit 1
	fi
fi

DATE=`perl -e '
	@time = localtime(time - 14400); # vier uur geleden
	$time[4]++;
	$time[5]+=1900;
	if (length("$time[4]")<2) { $time[4]="0$time[4]"; }
	if (length("$time[3]")<2) { $time[3]="0$time[3]"; }
	if (length("$time[2]")<2) { $time[2]="0$time[2]"; }
	if (length("$time[1]")<2) { $time[1]="0$time[1]"; }
	if (length("$time[0]")<2) { $time[0]="0$time[0]"; }
	print "$time[5].$time[4].$time[3].$time[2].$time[1].$time[0]\n";
'`

sed -e "s/\%\%date\%\%/$DATE/" -e "s/\%\%tree\%\%/$1/" -e "s/\%\%branch\%\%/$2/" ${HOME}/.cvsup/sup.tmpl > ${HOME}/.cvsup/$1.sup
echo $DATE > $DATEFILE

echo $$ > $LOCKFILE
umask 002
/usr/local/bin/cvsup -g -L 2 ${HOME}/.cvsup/$1.sup
rm $LOCKFILE