#!/bin/bash

if test $# '!=' 1; then
	echo usage: $0 attachmentid
	exit 2
fi

ID=$1
FILE="attachment.cgi?id=$ID"
OUT="attachment-$ID.patch"
rm -f "$OUT"
wget "http://bugzilla.gnome.org/$FILE" -O "$OUT" &&
if patch --dry-run -f -s -p0 < "$OUT"; then
	patch -p0 < "$OUT" &&
	echo "Patch $OUT applied cleanly at level 0."
elif patch --dry-run -f -s -p1 < "$OUT"; then
	patch -p1 < "$OUT" &&
	echo "Patch $OUT applied cleanly at level 1."
else
	echo "Failed to apply patch at level 0 or 1."
	false
fi