minetest/util/updatepo.sh
Giuseppe Bilotta 47381bde3b Bring po update out of cmake again
This solves two issues at once:
* CMake would delete po files during ‘make clean’ because it thought
  they were autogenerated and not just managed
* the only gettext tools readily available in Windows are so old they
  don't support options like --package-name

The change also moves minetest.pot down one level, so we don't need to
special case ‘en’ anymore.

The downside is of course that you need some sane POSIX shell to update
the po files.
2011-07-24 16:52:59 +02:00

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#!/bin/sh
# Update/create minetest po files
# an auxiliary function to abort processing with an optional error
# message
abort() {
test -n "$1" && echo >&2 "$1"
exit 1
}
# The po/ directory is assumed to be parallel to the directory where
# this script is. Relative paths are fine for us so we can just
# use the following trick (works both for manual invocations and for
# script found from PATH)
scriptisin="$(dirname "$(which "$0")")"
# The script is executed from the parent of po/, which is also the
# parent of the script directory and of the src/ directory.
# We go through $scriptisin so that it can be executed from whatever
# directory and still work correctly
cd "$scriptisin/.."
test -e po || abort "po/ directory not found"
test -d po || abort "po/ is not a directory!"
# Get a list of the languages we have to update/create
cd po || abort "couldn't change directory to po!"
# This assumes that we won't have dirnames with space, which is
# the case for language codes, which are the only subdirs we expect to
# find in po/ anyway. If you put anything else there, you need to suffer
# the consequences of your actions, so we don't do sanity checks
langs=""
for lang in * ; do
if test ! -d $lang; then
continue
fi
langs="$langs $lang"
done
# go back
cd ..
# First thing first, update the .pot template. We place it in the po/
# directory at the top level. You a recent enough xgettext that supports
# --package-name
potfile=po/minetest.pot
xgettext --package-name=minetest -F -n -o $potfile src/*.cpp src/*.h
# Now iterate on all languages and create the po file if missing, or update it
# if it exists already
for lang in $langs ; do # note the missing quotes around $langs
pofile=po/$lang/minetest.po
if test -e $pofile; then
echo "[$lang]: updating strings"
msgmerge -F -U $pofile $potfile
else
# This will ask for the translator identity
echo "[$lang]: NEW strings"
msginit -l $lang -o $pofile -i $potfile
fi
done