util/updatepo.sh

   1 #!/bin/sh
   2
   3 # Update/create minetest po files
   4
   5 # an auxiliary function to abort processing with an optional error
   6 # message
   7 abort() {
   8         test -n "$1" && echo >&2 "$1"
   9         exit 1
  10 }
  11
  12 # The po/ directory is assumed to be parallel to the directory where
  13 # this script is. Relative paths are fine for us so we can just
  14 # use the following trick (works both for manual invocations and for
  15 # script found from PATH)
  16 scriptisin="$(dirname "$(which "$0")")"
  17
  18 # The script is executed from the parent of po/, which is also the
  19 # parent of the script directory and of the src/ directory.
  20 # We go through $scriptisin so that it can be executed from whatever
  21 # directory and still work correctly
  22 cd "$scriptisin/.."
  23
  24 test -e po || abort "po/ directory not found"
  25 test -d po || abort "po/ is not a directory!"
  26
  27 # Get a list of the languages we have to update/create
  28
  29 cd po || abort "couldn't change directory to po!"
  30
  31 # This assumes that we won't have dirnames with space, which is
  32 # the case for language codes, which are the only subdirs we expect to
  33 # find in po/ anyway. If you put anything else there, you need to suffer
  34 # the consequences of your actions, so we don't do sanity checks
  35 langs=""
  36
  37 for lang in * ; do
  38         if test ! -d $lang; then
  39                 continue
  40         fi
  41         langs="$langs $lang"
  42 done
  43
  44 # go back
  45 cd ..
  46
  47 # First thing first, update the .pot template. We place it in the po/
  48 # directory at the top level. You a recent enough xgettext that supports
  49 # --package-name
  50 potfile=po/minetest.pot
  51 xgettext --package-name=minetest \
  52         --add-comments='~' \
  53         --sort-by-file \
  54         --add-location=file \
  55         --keyword=N_ \
  56         --keyword=wgettext \
  57         --keyword=fgettext \
  58         --keyword=fgettext_ne \
  59         --keyword=strgettext \
  60         --keyword=wstrgettext \
  61         --keyword=showTranslatedStatusText \
  62         --output $potfile \
  63         --from-code=utf-8 \
  64         `find src/ -name '*.cpp' -o -name '*.h'` \
  65         `find builtin/ -name '*.lua'`
  66
  67 # Now iterate on all languages and create the po file if missing, or update it
  68 # if it exists already
  69 for lang in $langs ; do # note the missing quotes around $langs
  70         pofile=po/$lang/minetest.po
  71         if test -e $pofile; then
  72                 echo "[$lang]: updating strings"
  73                 msgmerge --update --sort-by-file $pofile $potfile
  74         else
  75                 # This will ask for the translator identity
  76                 echo "[$lang]: NEW strings"
  77                 msginit --locale=$lang --output-file=$pofile --input=$potfile
  78         fi
  79 done