File: potomo

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libgpg-error 1.35-1~bpo9+1
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#!/bin/sh
# potomo - Convert a .po file to an utf-8 encoded .mo file.
# Copyright 2008 g10 Code GmbH
# Copyright 2010 Free Software Foundation, Inc.
#
# This file is free software; as a special exception the author gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
#
# This file is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

# This script is used to create the mo files for applications using
# the simple gettext implementation provided by libgpg-error.  That
# gettext can only cope with utf-8 encoded mo files; thus we make this
# sure while creating the mo.  A conversion is not done if the source
# file does not exist or if it is not newer than the mo file.

if [ "$1" = "--get-linguas" -a $# -eq 2 ]; then
   if [ ! -f "$2/LINGUAS" ]; then
       echo "potomo: directory '$2' has no LINGUAS file" >&2
       exit 1
   fi
   echo $(sed -e "/^#/d" -e "s/#.*//" "$2"/LINGUAS)
   exit 0
fi

if [ $# -ne 2 ]; then
  echo "usage: potomo INFILE.PO OUTFILE.MO" >&2
  echo "       potomo --get-linguas DIR"    >&2
  exit 1
fi
infile="$1"
outfile="$2"

if [ ! -f "$infile" ]; then
  echo "potomo: '$infile' not found - ignored" 2>&1
  exit 0
fi

if [ "$outfile" -nt "$infile" ]; then
  echo "potomo: '$outfile' is newer than source - keeping" 2>&1
  exit 0
fi
  
# Note that we could use the newer msgconv.  However this tool was not
# widely available back in 2008.

fromset=`sed -n '/^"Content-Type:/ s/.*charset=\([a-zA-Z0-9_-]*\).*/\1/p' \
         "$infile"`

case "$fromset" in 
    utf8|utf-8|UTF8|UTF-8) 
        echo "potomo: '$infile' keeping $fromset" >&2 
        msgfmt --output-file="$outfile" "$infile"
        ;;   
    *)
        echo "potomo: '$infile' converting from $fromset to utf-8" >&2
        iconv --silent --from-code=$fromset --to-code=utf-8 < "$infile" |\
            sed "/^\"Content-Type:/ s/charset=[a-zA-Z0-9_-]*/charset=utf-8/"|\
            msgfmt --output-file="$outfile" -
        ;;
esac