blob: a67e6aa529708973746dabb89abc993d5aed2f38 [file] [log] [blame]
#! /bin/sh
#
# SPDX-License-Identifier: BSD-2-Clause
#
# Copyright (c) 2018-2021 Gavin D. Howard and contributors.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# Just print the usage and exit with an error.
usage() {
if [ $# -eq 1 ]; then
printf '%s\n' "$1"
fi
printf "usage: %s [-l] NLSPATH main_exec [DESTDIR]\n" "$0" 1>&2
exit 1
}
# Run gencat on one file.
# @param loc The location of the resulting cat file.
# @param file The file to use as the source for the cat file.
gencatfile() {
_gencatfile_loc="$1"
shift
_gencatfile_file="$1"
shift
mkdir -p $(dirname "$_gencatfile_loc")
gencat "$_gencatfile_loc" "$_gencatfile_file" > /dev/null 2>&1
}
# Return an exit code based on whether a locale exists.
# @param locales The list of locales.
# @param locale The locale to search for.
# @param destdir The DESTDIR that locales should be installed to.
localeexists() {
_localeexists_locales="$1"
shift
_localeexists_locale="$1"
shift
_localeexists_destdir="$1"
shift
if [ "$_localeexists_destdir" != "" ]; then
_localeexists_char="@"
_localeexists_locale="${_localeexists_locale%%_localeexists_char*}"
_localeexists_char="."
_localeexists_locale="${_localeexists_locale##*$_localeexists_char}"
fi
test ! -z "${_localeexists_locales##*$_localeexists_locale*}"
return $?
}
# Split a path into its components. They will be separated by newlines, so paths
# cannot have newlines in them.
# @param path The path to split.
splitpath() {
_splitpath_path="$1"
shift
if [ "$_splitpath_path" = "${_splitpath_path#/}" ]; then
printf 'Must use absolute paths\n'
exit 1
fi
if [ "${_splitpath_path#\n*}" != "$_splitpath_path" ]; then
exit 1
fi
_splitpath_list=""
_splitpath_item=""
while [ "$_splitpath_path" != "/" ]; do
_splitpath_item=$(basename "$_splitpath_path")
_splitpath_list=$(printf '\n%s%s' "$_splitpath_item" "$_splitpath_list")
_splitpath_path=$(dirname "$_splitpath_path")
done
if [ "$_splitpath_list" != "/" ]; then
_splitpath_list="${_splitpath_list#?}"
fi
printf '%s' "$_splitpath_list"
}
# Generate a relative path from one path to another.
# @param path1 The target path.
# @param path2 The other path.
relpath() {
_relpath_path1="$1"
shift
_relpath_path2="$1"
shift
# Very carefully set IFS in a portable way. No, you cannot do IFS=$'\n'.
_relpath_nl=$(printf '\nx')
_relpath_nl="${_relpath_nl%x}"
_relpath_splitpath1=`splitpath "$_relpath_path1"`
_relpath_splitpath2=`splitpath "$_relpath_path2"`
_relpath_path=""
_relpath_temp1="$_relpath_splitpath1"
IFS="$_relpath_nl"
# What this function does is find the parts that are the same and then
# calculates the difference based on how many folders up and down you must
# go.
# This first loop basically removes the parts that are the same between
# them.
for _relpath_part in $_relpath_temp1; do
_relpath_temp2="${_relpath_splitpath2#$_relpath_part$_relpath_nl}"
if [ "$_relpath_temp2" = "$_relpath_splitpath2" ]; then
break
fi
_relpath_splitpath2="$_relpath_temp2"
_relpath_splitpath1="${_relpath_splitpath1#$_relpath_part$_relpath_nl}"
done
# Go up the appropriate number of times.
for _relpath_part in $_relpath_splitpath2; do
_relpath_path="../$_relpath_path"
done
_relpath_path="${_relpath_path%../}"
# Go down the appropriate number of times.
for _relpath_part in $_relpath_splitpath1; do
_relpath_path="$_relpath_path$_relpath_part/"
done
_relpath_path="${_relpath_path%/}"
unset IFS
printf '%s\n' "$_relpath_path"
}
script="$0"
scriptdir=$(dirname "$script")
. "$scriptdir/functions.sh"
# Set a default.
all_locales=0
# Process command-line args.
while getopts "l" opt; do
case "$opt" in
l) all_locales=1 ; shift ;;
?) usage "Invalid option: $opt" ;;
esac
done
test "$#" -ge 2 || usage
nlspath="$1"
shift
main_exec="$1"
shift
if [ "$#" -ge 1 ]; then
destdir="$1"
shift
else
destdir=""
fi
# Uninstall locales first.
"$scriptdir/locale_uninstall.sh" "$nlspath" "$main_exec" "$destdir"
locales_dir="$scriptdir/../locales"
# What this does is if installing to a package, it installs all locales that
# match supported charsets instead of installing all directly supported locales.
if [ "$destdir" = "" ]; then
locales=$(locale -a)
else
locales=$(locale -m)
fi
# For each relevant .msg file, run gencat.
for file in $locales_dir/*.msg; do
locale=$(basename "$file" ".msg")
# If we are not installing all locales, there's a possibility we need to
# skip this one.
if [ "$all_locales" -eq 0 ]; then
# Check if the locale exists and if not skip.
localeexists "$locales" "$locale" "$destdir"
err="$?"
if [ "$err" -eq 0 ]; then
continue
fi
fi
# We skip the symlinks for now.
if [ -L "$file" ]; then
continue
fi
# Generate the proper location for the cat file.
loc=$(gen_nlspath "$destdir/$nlspath" "$locale" "$main_exec")
gencatfile "$loc" "$file"
done
# Now that we have done the non-symlinks, it's time to do the symlinks. Think
# that this second loop is unnecessary and that you can combine the two? Well,
# make sure that when you figure out you are wrong that you add to this comment
# with your story. Fortunately for me, I learned fast.
for file in $locales_dir/*.msg; do
locale=$(basename "$file" ".msg")
# Do the same skip as the above loop.
if [ "$all_locales" -eq 0 ]; then
localeexists "$locales" "$locale" "$destdir"
err="$?"
if [ "$err" -eq 0 ]; then
continue
fi
fi
# Generate the proper location for the cat file.
loc=$(gen_nlspath "$destdir/$nlspath" "$locale" "$main_exec")
# Make sure the directory exists.
mkdir -p $(dirname "$loc")
# Make sure to skip non-symlinks; they are already done.
if [ -L "$file" ]; then
# This song and dance is because we want to generate relative symlinks.
# They take less space, but also, they are more resilient to being
# moved.
link=$(readlink "$file")
linkdir=$(dirname "$file")
locale=$(basename "$link" .msg)
linksrc=$(gen_nlspath "$nlspath" "$locale" "$main_exec")
relloc="${loc##$destdir/}"
rel=$(relpath "$linksrc" "$relloc")
# If the target file doesn't exist (because it's for a locale that is
# not installed), generate it anyway. It's easier this way.
if [ ! -f "$destdir/$linksrc" ]; then
gencatfile "$destdir/$linksrc" "$linkdir/$link"
fi
# Finally, symlink to the install of the generated cat file that
# corresponds to the correct msg file.
ln -fs "$rel" "$loc"
fi
done