#!/bin/sh
# libfontconfig1-devを入れてxdvik-jaを作り直さないと日本語が正しく出ない
# それをやるためのシェルスクリプト

if [ `id -u` != 0 ]; then
	echo 'Must be superuser' >&2; exit 1
fi

set -e

aptitude -y install debhelper libtool libkpathsea-dev libptexenc-dev \
	libxaw7-dev libxi-dev libfreetype6-dev libgs-dev libfontconfig1-dev

TMPD=`mktemp -d`
trap '
	STATUS=$?; trap 0; rm -rf "$TMPD" & exit $STATUS
' EXIT HUP INT QUIT PIPE TERM

cd "$TMPD"; cat <<'EOF' > local-patch; chown nobody . local-patch
diff -ru xdvik-ja-22.87.05+j1.42.orig/texk/xdvik/ft2.c xdvik-ja-22.87.05+j1.42/texk/xdvik/ft2.c
--- xdvik-ja-22.87.05+j1.42.orig/texk/xdvik/ft2.c	2022-01-08 21:31:22.000000000 +0900
+++ xdvik-ja-22.87.05+j1.42/texk/xdvik/ft2.c	2022-01-08 21:32:25.059932304 +0900
@@ -137,11 +137,12 @@
 
     memset(font, 0, sizeof(*font));
     ft_error = FT_New_Face(library, fontpath, map->face_index, &font->face);
-    free(fontpath);
     if (ft_error != 0) {
 	XDVI_WARNING(( stderr, "FreeType2: Open Font Error (%s).  "
 		       "Error code = %d \n", fontpath, ft_error ));
+        free(fontpath);
     } else {
+        free(fontpath);
 	font->encoding = map->encoding;
 	if (map->encoding == ENC_JIS_V || map->encoding == ENC_UNICODE_V) {
 	    font->ft2vert = ft2vert_init(font->face);
EOF

sudo -u nobody sh -c '
	set -e
	apt-get source xdvik-ja
	patch -p0 < local-patch
	cd xdvik-ja-22.87.05+j1.42
	debian/rules build
	strip texk/xdvik/xdvi-bin
'
mv /usr/bin/pxdvi-xaw /usr/bin/pxdvi-xaw.orig
cp xdvik-ja-22.87.05+j1.42/texk/xdvik/xdvi-bin /usr/bin/pxdvi-xaw
# この他にxdvi.gsAlpha: trueを設定する(不要になった?)

echo 'Succeed!' >&2