po/fetch-po-files

   1 #! /bin/sh
   2
   3 # fetch-po-files -- fetches the .po files from the Translation Project website
   4 # Copyright (C) 2005 Free Software Foundation, Inc.
   5
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2, or (at your option)
   9 # any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  19 # USA.
  20 #
  21 # Written by James Youngman.
  22
  23 URLBASE="http://www.iro.umontreal.ca/translation/maint"
  24
  25
  26 if [ $# -ne 2 ]; then
  27         echo "You need to specify the package name and a destination directory on the command line." >&2
  28         exit 1
  29 fi
  30
  31
  32
  33 PACKAGE="$1"
  34 DESTDIR="$2"
  35 shift
  36
  37 debug () {
  38         : nothing
  39 }
  40
  41 info () {
  42         echo "$@"
  43 }
  44
  45
  46 v_update_needed() {
  47         debug "update_required: Checking $@"
  48         vnew=$1
  49         vexisting=$2
  50
  51         major_new=$(echo $vnew | cut -s -d. -f1)
  52         major_existing=$(echo $vexisting | cut -s -d. -f1)
  53         if [ -z "$major_new" ]; then
  54                 debug "New version number empty, update not needed"
  55                 false
  56         elif [ -z "$major_existing" ]; then
  57                 debug "Existing version number empty, update is needed"
  58                 true
  59         elif [ $major_new -gt $major_existing ]; then
  60                 debug "$vnew > $vexisting, update needed"
  61                 true
  62         elif [ $major_new -lt $major_existing ]; then
  63                 debug "$vnew < $vexisting, update NOT needed"
  64                 true
  65         else
  66                 v_update_needed \
  67                         $(echo $vnew      | cut -s -d. -f2-) \
  68                         $(echo $vexisting | cut -s -d. -f2-)
  69         fi
  70 }
  71
  72 d_update_needed() {
  73     # Determine if an update is neeededon the basis of the version numbers.
  74     cat "$@" |
  75                 tr -d '"' |
  76                 grep "^PO-Revision-Date: " |
  77                 sed -e 's/PO-Revision-Date: //' -e 's/\\n$//' |
  78                 LANG=C sort -c >/dev/null
  79 }
  80
  81
  82
  83 getversion() {
  84         grep Project-Id-Version: < "$1" |
  85                 tr -d '"' |
  86                 sed -e 's/^.*'$PACKAGE' //' -e 's/\\n$//'
  87 }
  88
  89
  90 check_versions() {
  91         if vnew=$(getversion "$1"); then
  92                 if vexisting=$(getversion "$2"); then
  93                         if v_update_needed "$vnew" "$vexisting"; then
  94                                 true
  95                         else
  96                                 d_update_needed "$2" "$1" && \
  97                                 info "Timestamp fields indicate $1 is newer than $2"
  98                         fi
  99                 else
 100                         false
 101                 fi
 102         else
 103                 false
 104         fi
 105 }
 106
 107
 108 update_required() {
 109         new="$1"
 110         existing="$2"
 111         # ls -ltrd "$new" "$existing"
 112
 113         if ! [ -e "$existing" ] ; then
 114                 debug "$existing does not exist, using $new"
 115                 true
 116         elif cmp $new $existing >/dev/null 2>&1; then
 117                 info "$new and $existing are identical"
 118                 false
 119         elif check_versions "$new" "$existing"; then
 120                 info "Fetched file has newer version number or date stamp"
 121                 true
 122         else
 123                 false
 124         fi
 125 }
 126
 127
 128 possible_update() {
 129
 130         debug "Possible update of $3/$1"
 131
 132         new="$2/$1"
 133         existing="$3/$1"
 134
 135         if update_required $new $existing; then
 136                 info "Updating $1..."
 137                 rm -f $existing
 138                 mv $new $existing
 139         else
 140                 rm -f $new
 141         fi
 142 }
 143
 144
 145
 146 main () {
 147         potfile=$DESTDIR/$PACKAGE.pot
 148         if [ -f  $potfile ] ; then
 149                 echo "OK".
 150         else
 151                 echo "$potfile is not present.  Did you specify the right command line?" >&2
 152                 exit 1
 153         fi
 154         tmpdir=`mktemp -d`
 155
 156
 157         # set -x
 158         printf "Fetching .po files..."
 159         wget --quiet --recursive --directory-prefix="$tmpdir" --level=1 --accept "*.po" --no-directories "$URLBASE"/"$PACKAGE"
 160         echo done
 161         # cp /tmp/po-updates/$PACKAGE/*.po "$tmpdir"
 162         # touch "$tmpdir"/*.po
 163
 164         for f in $(cd $tmpdir && ls *.po ); do
 165                 possible_update "$f" "$tmpdir" "$DESTDIR"
 166         done
 167         cd /
 168         rm -rf "$tmpdir"
 169 }
 170
 171
 172 # getversion gl.po
 173 # update_needed 4.1.5 4.1.5
 174 # update_needed 4.1.15 4.1.5
 175 # update_needed 5.0 4.1.5
 176 # update_needed 4.2.6 5.0
 177 # exit 0
 178
 179 main "$@"