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# Helper function for extracting translatable messages from Calligra/Krita/Kexi source code.
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# Usage: kundo2_aware_xgettext <pot-filename-without-path> <source-files-list>
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# If there are no messages or the <source-files-list> is empty, the pot file is deleted.
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# Example usage that creates $podir/myapp.pot file:
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# kundo2_aware_xgettext myapp.pot `find . -name \*.cpp -o -name \*.h`
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function kundo2_aware_xgettext() {
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# we rely on last line being a 'msgstr' signaling that strings has been extracted (a header is always present)
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# normally it ends with 'msgstr ""' but if plural it can end with eg 'msgstr[1] ""'
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kundo2_aware_xgettext_internal $* | tee "${POTFILE}" | tail -n1 | grep "^msgstr" > /dev/null \
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|| rm -f "${POTFILE}" 2> /dev/null
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# cp init-sample.pot sample.pot
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# source krita_xgettext.sh
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# add_ctxt_qtundo sample.pot
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# Then check that all messages in sample.pot have "(qtundo-format)" in msgctxt.
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function add_ctxt_qtundo() {
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POT_PART_QUNDOFORMAT="$1"
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POT_PART_QUNDOFORMAT2="`mktemp $podir/_qundoformat2_XXXXXXXX.pot`"
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# Prepend "(qtundo-format)" to existing msgctxt properties of messages
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sed -i -e 's/^msgctxt "/msgctxt "(qtundo-format) /' "${POT_PART_QUNDOFORMAT}"
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# Add msgctxt "(qtundo-format)" to messages not having msgctxt yet
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# lastLine != "#, fuzzy" is the check for the .pot header.
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# If lastLine starts with '"' the msgctxt has been split on several lines and is treated by sed above, so skip it
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mv "${POT_PART_QUNDOFORMAT}" "${POT_PART_QUNDOFORMAT2}"
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cat "${POT_PART_QUNDOFORMAT2}" | awk '
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if (lastLine !~ /^\"/ && lastLine !~ /^msgctxt/ && lastLine != "#, fuzzy") {
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print "msgctxt \"(qtundo-format)\""
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{ print ; lastLine = $0 }' > "${POT_PART_QUNDOFORMAT}"
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rm -f "${POT_PART_QUNDOFORMAT2}"
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function kundo2_aware_xgettext_internal() {
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POT_PART_NORMAL="`mktemp $podir/_normal_XXXXXXXX.pot`"
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POT_PART_QUNDOFORMAT="`mktemp $podir/_qundoformat_XXXXXXXX.pot`"
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POT_MERGED="`mktemp $podir/_merged_XXXXXXXX.pot`"
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$XGETTEXT ${CXG_EXTRA_ARGS} ${SRC_FILES} -o "${POT_PART_NORMAL}" --force-po
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XGETTEXT_FLAGS_KUNDO2="\
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--copyright-holder=This_file_is_part_of_KDE \
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--msgid-bugs-address=http://bugs.kde.org \
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-kkundo2_i18n:1 -kkundo2_i18np:1,2 -kkundo2_i18nc:1c,2 -kkundo2_i18ncp:1c,2,3 \
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$XGETTEXT_PROGRAM ${XGETTEXT_FLAGS_KUNDO2} ${CXG_EXTRA_ARGS} ${SRC_FILES} -o "${POT_PART_QUNDOFORMAT}"
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if [ $(cat ${POT_PART_NORMAL} ${POT_PART_QUNDOFORMAT} | grep -c \(qtundo-format\)) != 0 ]; then
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echo "ERROR: Context '(qtundo-format)' should not be added manually. Use kundo2_i18n*() calls instead." 1>&2
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if [ -s "${POT_PART_QUNDOFORMAT}" ]; then
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add_ctxt_qtundo "${POT_PART_QUNDOFORMAT}"
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if [ -s "${POT_PART_NORMAL}" -a -s "${POT_PART_QUNDOFORMAT}" ]; then
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# ensure an empty line or else KDE_HEADER search will fail
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# in case POT_PART_NORMAL only contains header
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echo "" >>${POT_PART_NORMAL}
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${MSGCAT} -F "${POT_PART_NORMAL}" "${POT_PART_QUNDOFORMAT}" > ${POT_MERGED}
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MERGED_HEADER_LINE_COUNT=$(cat ${POT_MERGED} | grep "^$" -B 100000 --max-count=1 | wc -l)
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KDE_HEADER="$(cat ${POT_PART_NORMAL} | grep "^$" -B 100000 --max-count=1)"
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MERGED_TAIL="$(cat ${POT_MERGED} | tail -n +$MERGED_HEADER_LINE_COUNT)"
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# Print out the resulting .pot
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elif [ -s "${POT_PART_NORMAL}" ]; then
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echo "# POT_PART_NORMAL only"
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cat "${POT_PART_NORMAL}"
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elif [ -s "${POT_PART_QUNDOFORMAT}" ]; then
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echo "# POT_PART_QUNDOFORMAT only"
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cat "${POT_PART_QUNDOFORMAT}"
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rm -f "${POT_PART_NORMAL}" "${POT_PART_QUNDOFORMAT}" "${POT_MERGED}"
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# Sets EXCLUDE variable to excludes compatible with the find(1) command, e.g. '-path a -o -path b'.
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# To unconditionally exclude dir (with subdirs) just put an empty file .i18n in it.
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# To disable excluding for given file, e.g. foo.pot, add "foo.pot" line to the .i18n file.
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function find_exclude() {
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for f in `find . -name .i18n | sed 's/\/\.i18n$//g' | sort`; do
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if ! grep -q "^${1}$" "$f/.i18n" ; then
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if [ -n "$EXCLUDE" ] ; then EXCLUDE="$EXCLUDE -o " ; fi
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EXCLUDE="$EXCLUDE -path $f"
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if [ -z "$EXCLUDE" ] ; then EXCLUDE="-path __dummy__" ; fi # needed because -prune in find needs args