1#! /bin/sh 2# 3# SPDX-License-Identifier: BSD-2-Clause 4# 5# Copyright (c) 2018-2024 Gavin D. Howard and contributors. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions are met: 9# 10# * Redistributions of source code must retain the above copyright notice, this 11# list of conditions and the following disclaimer. 12# 13# * Redistributions in binary form must reproduce the above copyright notice, 14# this list of conditions and the following disclaimer in the documentation 15# and/or other materials provided with the distribution. 16# 17# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 18# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 21# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27# POSSIBILITY OF SUCH DAMAGE. 28# 29 30# Just print the usage and exit with an error. 31# @param 1 A message to print. 32usage() { 33 if [ $# -eq 1 ]; then 34 printf '%s\n' "$1" 35 fi 36 printf "usage: %s [-l] NLSPATH main_exec [DESTDIR]\n" "$0" 1>&2 37 exit 1 38} 39 40# Run gencat on one file. 41# @param loc The location of the resulting cat file. 42# @param file The file to use as the source for the cat file. 43gencatfile() { 44 45 _gencatfile_loc="$1" 46 shift 47 48 _gencatfile_file="$1" 49 shift 50 51 mkdir -p $(dirname "$_gencatfile_loc") 52 gencat "$_gencatfile_loc" "$_gencatfile_file" > /dev/null 2>&1 53} 54 55# Return an exit code based on whether a locale exists. 56# @param locales The list of locales. 57# @param locale The locale to search for. 58# @param destdir The DESTDIR that locales should be installed to. 59localeexists() { 60 61 _localeexists_locales="$1" 62 shift 63 64 _localeexists_locale="$1" 65 shift 66 67 _localeexists_destdir="$1" 68 shift 69 70 if [ "$_localeexists_destdir" != "" ]; then 71 _localeexists_char="@" 72 _localeexists_locale="${_localeexists_locale%%_localeexists_char*}" 73 _localeexists_char="." 74 _localeexists_locale="${_localeexists_locale##*$_localeexists_char}" 75 fi 76 77 test ! -z "${_localeexists_locales##*$_localeexists_locale*}" 78 return $? 79} 80 81# Split a path into its components. They will be separated by newlines, so paths 82# cannot have newlines in them. 83# @param path The path to split. 84splitpath() { 85 86 _splitpath_path="$1" 87 shift 88 89 if [ "$_splitpath_path" = "${_splitpath_path#/}" ]; then 90 printf 'Must use absolute paths\n' 91 exit 1 92 fi 93 94 if [ "${_splitpath_path#\n*}" != "$_splitpath_path" ]; then 95 exit 1 96 fi 97 98 _splitpath_list="" 99 _splitpath_item="" 100 101 while [ "$_splitpath_path" != "/" ]; do 102 _splitpath_item=$(basename "$_splitpath_path") 103 _splitpath_list=$(printf '\n%s%s' "$_splitpath_item" "$_splitpath_list") 104 _splitpath_path=$(dirname "$_splitpath_path") 105 done 106 107 if [ "$_splitpath_list" != "/" ]; then 108 _splitpath_list="${_splitpath_list#?}" 109 fi 110 111 printf '%s' "$_splitpath_list" 112} 113 114# Generate a relative path from one path to another. 115# @param path1 The target path. 116# @param path2 The other path. 117relpath() { 118 119 _relpath_path1="$1" 120 shift 121 122 _relpath_path2="$1" 123 shift 124 125 # Very carefully set IFS in a portable way. No, you cannot do IFS=$'\n'. 126 _relpath_nl=$(printf '\nx') 127 _relpath_nl="${_relpath_nl%x}" 128 129 _relpath_splitpath1=`splitpath "$_relpath_path1"` 130 _relpath_splitpath2=`splitpath "$_relpath_path2"` 131 132 _relpath_path="" 133 _relpath_temp1="$_relpath_splitpath1" 134 135 IFS="$_relpath_nl" 136 137 # What this function does is find the parts that are the same and then 138 # calculates the difference based on how many folders up and down you must 139 # go. 140 141 # This first loop basically removes the parts that are the same between 142 # them. 143 for _relpath_part in $_relpath_temp1; do 144 145 _relpath_temp2="${_relpath_splitpath2#$_relpath_part$_relpath_nl}" 146 147 if [ "$_relpath_temp2" = "$_relpath_splitpath2" ]; then 148 break 149 fi 150 151 _relpath_splitpath2="$_relpath_temp2" 152 _relpath_splitpath1="${_relpath_splitpath1#$_relpath_part$_relpath_nl}" 153 154 done 155 156 # Go up the appropriate number of times. 157 for _relpath_part in $_relpath_splitpath2; do 158 _relpath_path="../$_relpath_path" 159 done 160 161 _relpath_path="${_relpath_path%../}" 162 163 # Go down the appropriate number of times. 164 for _relpath_part in $_relpath_splitpath1; do 165 _relpath_path="$_relpath_path$_relpath_part/" 166 done 167 168 _relpath_path="${_relpath_path%/}" 169 170 unset IFS 171 172 printf '%s\n' "$_relpath_path" 173} 174 175script="$0" 176scriptdir=$(dirname "$script") 177 178. "$scriptdir/functions.sh" 179 180# Set a default. 181all_locales=0 182 183# Process command-line args. 184while getopts "l" opt; do 185 186 case "$opt" in 187 l) all_locales=1 ;; 188 ?) usage "Invalid option: $opt" ;; 189 esac 190 191done 192shift $(($OPTIND - 1)) 193 194test "$#" -ge 2 || usage "Must have at least two arguments" 195 196nlspath="$1" 197shift 198 199main_exec="$1" 200shift 201 202if [ "$#" -ge 1 ]; then 203 destdir="$1" 204 shift 205else 206 destdir="" 207fi 208 209# Uninstall locales first. 210"$scriptdir/locale_uninstall.sh" "$nlspath" "$main_exec" "$destdir" 211 212locales_dir="$scriptdir/../locales" 213 214# What this does is if installing to a package, it installs all locales that 215# match supported charsets instead of installing all directly supported locales. 216if [ "$destdir" = "" ]; then 217 locales=$(locale -a) 218else 219 locales=$(locale -m) 220fi 221 222# For each relevant .msg file, run gencat. 223for file in $locales_dir/*.msg; do 224 225 locale=$(basename "$file" ".msg") 226 227 # If we are not installing all locales, there's a possibility we need to 228 # skip this one. 229 if [ "$all_locales" -eq 0 ]; then 230 231 # Check if the locale exists and if not skip. 232 localeexists "$locales" "$locale" "$destdir" 233 err="$?" 234 235 if [ "$err" -eq 0 ]; then 236 continue 237 fi 238 fi 239 240 # We skip the symlinks for now. 241 if [ -L "$file" ]; then 242 continue 243 fi 244 245 printf 'Installing %s...' "$locale" 246 247 # Generate the proper location for the cat file. 248 loc=$(gen_nlspath "$destdir/$nlspath" "$locale" "$main_exec") 249 250 gencatfile "$loc" "$file" 251 252 printf 'done\n' 253 254done 255 256# Now that we have done the non-symlinks, it's time to do the symlinks. Think 257# that this second loop is unnecessary and that you can combine the two? Well, 258# make sure that when you figure out you are wrong that you add to this comment 259# with your story. Fortunately for me, I learned fast. 260for file in $locales_dir/*.msg; do 261 262 locale=$(basename "$file" ".msg") 263 264 # Do the same skip as the above loop. 265 if [ "$all_locales" -eq 0 ]; then 266 267 localeexists "$locales" "$locale" "$destdir" 268 err="$?" 269 270 if [ "$err" -eq 0 ]; then 271 continue 272 fi 273 fi 274 275 # Generate the proper location for the cat file. 276 loc=$(gen_nlspath "$destdir/$nlspath" "$locale" "$main_exec") 277 278 # Make sure the directory exists. 279 mkdir -p $(dirname "$loc") 280 281 # Make sure to skip non-symlinks; they are already done. 282 if [ -L "$file" ]; then 283 284 printf 'Linking %s...' "$locale" 285 286 # This song and dance is because we want to generate relative symlinks. 287 # They take less space, but also, they are more resilient to being 288 # moved. 289 link=$(readlink "$file") 290 linkdir=$(dirname "$file") 291 locale=$(basename "$link" .msg) 292 linksrc=$(gen_nlspath "$nlspath" "$locale" "$main_exec") 293 relloc="${loc##$destdir/}" 294 rel=$(relpath "$linksrc" "$relloc") 295 296 # If the target file doesn't exist (because it's for a locale that is 297 # not installed), generate it anyway. It's easier this way. 298 if [ ! -f "$destdir/$linksrc" ]; then 299 gencatfile "$destdir/$linksrc" "$linkdir/$link" 300 fi 301 302 # Finally, symlink to the install of the generated cat file that 303 # corresponds to the correct msg file. 304 ln -fs "$rel" "$loc" 305 306 printf 'done\n' 307 fi 308 309done 310