1#!/bin/sh
2# potomo - Convert a .po file to an utf-8 encoded .mo file.
3# Copyright 2008 g10 Code GmbH
4# Copyright 2010 Free Software Foundation, Inc.
5#
6# This file is free software; as a special exception the author gives
7# unlimited permission to copy and/or distribute it, with or without
8# modifications, as long as this notice is preserved.
9#
10# This file is distributed in the hope that it will be useful, but
11# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
12# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13
14# This script is used to create the mo files for applications using
15# the simple gettext implementation provided by libgpg-error.  That
16# gettext can only cope with utf-8 encoded mo files; thus we make this
17# sure while creating the mo.  A conversion is not done if the source
18# file does not exist or if it is not newer than the mo file.
19
20if [ "$1" = "--get-linguas" -a $# -eq 2 ]; then
21   if [ ! -f "$2/LINGUAS" ]; then
22       echo "potomo: directory '$2' has no LINGUAS file" >&2
23       exit 1
24   fi
25   echo $(sed -e "/^#/d" -e "s/#.*//" "$2"/LINGUAS)
26   exit 0
27fi
28
29if [ $# -ne 2 ]; then
30  echo "usage: potomo INFILE.PO OUTFILE.MO" >&2
31  echo "       potomo --get-linguas DIR"    >&2
32  exit 1
33fi
34infile="$1"
35outfile="$2"
36
37if [ ! -f "$infile" ]; then
38  echo "potomo: '$infile' not found - ignored" 2>&1
39  exit 0
40fi
41
42if [ "$outfile" -nt "$infile" ]; then
43  echo "potomo: '$outfile' is newer than source - keeping" 2>&1
44  exit 0
45fi
46  
47# Note that we could use the newer msgconv.  However this tool was not
48# widely available back in 2008.
49
50fromset=`sed -n '/^"Content-Type:/ s/.*charset=\([a-zA-Z0-9_-]*\).*/\1/p' \
51         "$infile"`
52
53case "$fromset" in 
54    utf8|utf-8|UTF8|UTF-8) 
55        echo "potomo: '$infile' keeping $fromset" >&2 
56        msgfmt --output-file="$outfile" "$infile"
57        ;;   
58    *)
59        echo "potomo: '$infile' converting from $fromset to utf-8" >&2
60        iconv --silent --from-code=$fromset --to-code=utf-8 < "$infile" |\
61            sed "/^\"Content-Type:/ s/charset=[a-zA-Z0-9_-]*/charset=utf-8/"|\
62            msgfmt --output-file="$outfile" -
63        ;;
64esac
65