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#!/bin/bash
#Calculates the direcory of the script in case it is run from another directory
ROOT="${0%%i18n-gen.sh}"
function usage() {
cat <<EOT
Usage: $0 <subcommand> language_code
Available subcommands:
init
creates a new folder for a new language
update
updates an existing language file with new Strings from the sources
gen
generates the parsed language file
update and gen also accept the wildcard language_code ALL
Suggested Workflows (with XX as language_code):
New Language
1. $0 init XX
2. translation of ${ROOT}i18n/XX/LC_MESSAGES/glances.po
3. $0 gen XX
Update Language
1. $0 update XX
2. update translations of ${ROOT}i18n/XX/LC_MESSAGES/glances.po
3. $0 gen XX
EOT
exit
}
function gen_pot() {
xgettext --language=Python --keyword=_ --output=${ROOT}i18n/glances.pot `find ${ROOT}glances/ -name "*.py"`
}
OPERATION="$1"
shift
if [ -z "$1" ]; then
usage
fi
case "$OPERATION" in
init)
# If there is already a language file for specified language there is no need to generate a new one
# doing so would result in a loss of all already translated strings for that language
if [ -f "${ROOT}i18n/$1/LC_MESSAGES/glances.po" ]; then
echo "Error:"
echo "Language file for language $1 already exists"
echo "Please run \"$0 help\" for more information"
exit 1
fi
# Actual generation
mkdir -p ${ROOT}i18n/$1/LC_MESSAGES/
gen_pot
msginit --locale="$1" --input=${ROOT}i18n/glances.pot --output=${ROOT}i18n/$1/LC_MESSAGES/glances.po
exit 0
;;
update)
# When the language code is ALL fetch all language codes and save them
# else test if the specified language code really exists
if [ "$1" = "ALL" ]; then
LANG_LIST="$(ls -d ${ROOT}i18n/*/ | awk -F / '{print $(NF-1)}')"
else
if [ ! -f "${ROOT}i18n/$1/LC_MESSAGES/glances.po" ]; then
echo "Error:"
echo "Language file for language $1 doesn't exists"
echo "Please run \"$0 help\" for more information"
exit 1
fi
LANG_LIST="$1"
fi
# regenerate the pot file so that it conatins the new strings and then update the language files accordingly
gen_pot
for i in $LANG_LIST; do
msgmerge --update --no-fuzzy-matching --backup=off ${ROOT}i18n/$i/LC_MESSAGES/glances.po ${ROOT}i18n/glances.pot
echo "Language file for language $i updated"
done
exit 0
;;
gen)
# When the language code is ALL fetch all language codes and save them
# else test if the specified language code really exists
if [ "$1" = "ALL" ]; then
LANG_LIST="$(ls -d ${ROOT}i18n/*/ | awk -F / '{print $(NF-1)}')"
else
if [ ! -f "${ROOT}i18n/$1/LC_MESSAGES/glances.po" ]; then
echo "Error:"
echo "Language file for language $1 doesn't exists"
echo "Please run \"$0 help\" for more information"
exit 1
fi
LANG_LIST="$1"
fi
# compile the language files
for i in $LANG_LIST; do
msgfmt ${ROOT}i18n/$i/LC_MESSAGES/glances.po --output-file ${ROOT}i18n/$i/LC_MESSAGES/glances.mo
echo "Compiled language file for language $i generated"
done
exit 0
;;
*)
# if anything other is entered as first argument print the usage overview
# so, the message to run "i18n-gen.sh help" is a LIE but who cares since the cake was a lie in the first place!
usage
;;
esac
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