#!/bin/sh

VERSION="1.2.5"
PACKAGE="gtk+"

if [ "x$1" = "x--help" ]; then

echo Usage: ./update.sh langcode
echo --help                  display this help and exit
echo --missing	             search for missing files in POTFILES.in
echo --version		     shows the version
echo
echo Examples of use:
echo ./update.sh ----- just creates a new pot file from the source
echo ./update.sh da -- created new pot file and updated the da.po file 

elif [ "x$1" = "x--version" ]; then

echo "update.sh release $VERSION"

elif [ "x$1" = "x--missing" ]; then

echo "Searching for files containing _( ) but missing in POTFILES.in..."
echo
find ../ -print | egrep '.*\.(c|y|cc|c++|h|gob)' | xargs grep _\( | cut -d: -f1 | uniq | cut -d/ -f2- > POTFILES.in.missing
wait

echo "Sorting data..." 
sort -d POTFILES.in -o POTFILES.in &&
sort -d POTFILES.in.missing -o POTFILES.in.missing 
wait
echo "Comparing data..."
diff POTFILES.in POTFILES.in.missing -u0 | grep '^+' |grep -v '^+++'|grep -v '^@@' > POTFILES.in.missing
wait

if [ -s POTFILES.ignore ]; then

sort -d POTFILES.ignore -o POTFILES.tmp
echo "Evaluating ignored files..."
wait 
diff POTFILES.tmp POTFILES.in.missing -u0 | grep '^+' |grep -v '^+++'|grep -v '^@@' > POTFILES.in.missing 
rm POTFILES.tmp

fi

if [ -s POTFILES.in.missing ]; then

echo && echo "Here are the results:"
echo && cat POTFILES.in.missing
echo && echo "File POTFILES.in.missing is being placed in directory..."
echo "Please add the files that should be ignored in POTFILES.ignore"

else

echo &&echo "There are no missing files, thanks God!" 
rm POTFILES.in.missing

fi 

elif [ "x$1" = "x" ]; then 

echo "Building the $PACKAGE.pot ..."

xgettext --default-domain=$PACKAGE --directory=.. \
  --add-comments --keyword=_ --keyword=N_ \
  --files-from=./POTFILES.in \
&& test ! -f $PACKAGE.po \
   || ( rm -f ./$PACKAGE.pot \
&& mv $PACKAGE.po ./$PACKAGE.pot );

else

if [ -s $1.po ]; then

xgettext --default-domain=$PACKAGE --directory=.. \
  --add-comments --keyword=_ --keyword=N_ \
  --files-from=./POTFILES.in \
&& test ! -f $PACKAGE.po \
   || ( rm -f ./PACKAGE.pot \
&& mv $PACKAGE.po ./$PACKAGE.pot );

echo "Building the $PACKAGE.pot ..."
echo "Now merging $1.po with $PACKAGE.pot, and creating an updated $1.po ..." 

mv $1.po $1.po.old && msgmerge $1.po.old $PACKAGE.pot -o $1.po \
&& rm $1.po.old;

msgfmt --statistics $1.po

else

echo Sorry $1.po does not exist!

fi;

fi;