#! /bin/sh -e

if [ $# -eq 3 -a "$2" = '-d' ]; then
    pdir="-d $3"
elif [ $# -ne 1 ]; then
    echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
    exit 1
fi
case "$1" in
    -patch) patch $pdir -f --no-backup-if-mismatch -p0 < $0;;
    -unpatch) patch $pdir -f --no-backup-if-mismatch -R -p0 < $0;;
    *)
	echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
	exit 1
esac
exit 0

# DP: Define PGRP_PIPE to avoid race condition.

--- input.c~	2005-07-14 13:29:08.000000000 +0100
+++ input.c	2006-04-05 14:51:50.000000000 +0100
@@ -454,7 +454,7 @@
       if (nr == 0)
 	bp->b_flag |= B_EOF;
       else
-	bp->b_flag |= B_ERROR;
+	fatal_error("error reading input file: %s", strerror(errno));
       return (EOF);
     }