#! /usr/bin/env bash

# This is svn2dist
# Based on cvs2dist by <jason@katzbrown.com>.

# Original author (of cvs2pack.sh) was Sebastian Stein <seb.stein@hpfsc.de>
# Heavy, heavy modifications by Jason Katz-Brown <jason@katzbrown.com>
# Some modifications for i18n inclusion by Dominique Devriese <devriese@kde.org>
# Added --no-i18n-lang and --replace-files by Michael Buesch <mbuesch@freenet.de>
# License: GPL (http://www.gnu.org/)
# Last modification: 2005/01/08

echo >&2 "Warning: this script needs more testing!"
echo >&2 ""

cmdline="$@"

returndir=`pwd`
override="README ChangeLog INSTALL AUTHORS AUTHOR COPYING COPYING.LIB TODO COPYING-DOCS"
remove="config.cache config.log config.status Makefile configure inst-apps CVS acinclude.m4 aclocal.m4  libtool subdirs *.moc *.la .libs .deps .svn .cvsignore autom4te.cache {arch} .arch-ids *.lo *.o *.bbg *.da *.bb"
toplevelremove="configure.in.bot config.h config.h.bot config.h.in config.status config.log stamp-h stamp-h.in stamp-h1 subdirs configure.files "
# whitespace seperated list of languages to never include.
always_skip_languages="xx"


exit_cleanup()
{
    echo -n "Cleaning up... "
    if [ -d $temp_dir ]; then
        test -z "$debug" && rm -Rf $temp_dir
    fi
    echo "done."
}

trap "exit_cleanup; exit 1" SIGINT SIGTERM

test -e ~/.svn2distrc && extraoptions=`cat ~/.svn2distrc`

# getopt usage from the getopt bash example
# --log has optional argument
TEMP=`getopt \
-o v:n:r:e:a:B:dhmbgol \
--long log::,version:,name:,required-header:,required-header-error-message:,make-unpackaged,help,no-bz2,no-bzip2,no-gzip,only-directory,remove-hidden,admin-dir:,branch:,no-i18n,no-i18n-lang:,svn-root:,i18n-module:,debug,replace-files: \
-n svn2dist -- $extraoptions "$@"`

if [ $? != 0 ]; then
	echo "Aborted." >&2
	exit 1
fi

eval set -- "$TEMP"

log="/dev/null"
calclog=0
doi18n="yes"
noi18nlang=""
replace_files=""
i18nmodule=""
svnroot=""
debug=
branch="trunk"
version=

while true; do
	case "$1" in
		-v|--version) version=$2; shift 2 ;;
		-n|--name) name=$2; shift 2 ;;
		-a|--admin-dir) admindir=$2;
			if [ `echo $admindir | sed -e 's#^/##'` = $admindir ]; then
				admindir="`pwd`/$admindir"
			fi
			shift 2 ;;
		--debug) debug="non-empty"; shift 1 ;;
		--svn-root) svnroot="$2"; shift 2 ;;
		--i18n-module) i18nmodule="$2"; shift 2 ;;
		-r|--required-header) requiredheader=$2; shift 2 ;;
		--no-i18n) doi18n="no"; shift 1 ;;
		--no-i18n-lang) noi18nlang="$2"; shift 2 ;;
		-e|--required-header-error-message) requiredmsg=$2; shift 2 ;;
		-m|--make-unpackaged) leavedir="non-empty"; shift 1 ;;
		-h|--help) showhelp="non-empty"; shift 1 ;;
		-b|--no-bz2|--no-bzip2) nobzip2="non-empty"; shift 1 ;;
		-o|--only-directory)
			nogzip="non-empty"
			nobzip2="non-empty"
			leavedir="non-empty"
			shift 1 ;;
		-g|--no-gzip) nogzip="non-empty"; shift 1 ;;
		-d|--remove-hidden) removehidden="non-empty"; shift 1 ;;
		-l) calclog=1; shift 1 ;;
		--log) 
			case "$2" in
				# no-argument case
				"") calclog=1; shift 2 ;;
				# something, should be a file
				*)  log=$2
				    origlog=$log
				    if [ `echo $log | sed -e 's#^/##'` = $log ]; then
				    	log="`pwd`/$log"
				    fi

				    shift 2 ;;
			esac ;;
		--replace-files) replace_files="$2"; shift 2 ;;
		--) shift
			break ;;
		*) echo "Aborted."
			exit 1 ;;
	esac
done

count=0
for arg do
	test $count = 0 && module=$arg
	test $count = 1 && directory=$arg

	if [ $count -ge 2 ]; then
		modarg=$arg
		if [ `echo $modarg | sed -e 's#^/##'` = $modarg ]; then
			modarg="`pwd`/$modarg"
		fi
		addfiles="$addfiles $modarg"
	fi

	let count count++
done

# test if a module and directory name was given
if [ ! -z $showhelp ] || [ -z $module ] || [ -z $directory ]; then
	echo "Usage: svn2dist module directory [options] [addfile1] [addfile2] ..."
	echo ""
	echo "  -n --name <name>"
	echo "  -v --version <version>"
	echo "  --svn-root <root> the value to use as svn root"
	echo "                    variable.  It is not necessary if you use --no-i18n."
	echo "  --admin-dir <dir> admin/ location (default is module/admin)"
	echo "                    (symbolic links are OK.)"
	echo "  -B --branch <branch> use branch for i18n checkouts."
	echo "  --no-i18n  don't try to automatically checkout the translations from svn."
	echo "  --no-i18n-lang <languages> exclude all languages in the given comma"
	echo "                             seperated list. example:"
	echo "                             --no-i18n-lang uk,de,en_GB"
	echo "  --i18n-module <name> i18n subdir"
	echo "                       if not specified it is guessed"
	echo "                       from module name by replacing \"/\" by \"-\""
	echo "  --log=<logfile> If logfile unspecified, default file is used."
	echo "                  (The '=' is essential and may not be ommited"
	echo "                  when specifying the logfile.)"
	echo "  -l Log to default logfile."
	echo "  -m --make-unpackaged Also makes an unpacked distribution"
	echo "                 in the current directory."
	echo "  -g --no-gzip Do not create gzip package."
	echo "  -b --no-bz2 Do not create bzip2 package."
	echo "  --no-bzip2 Alias for the above."
	echo "  -o --only-directory Alias for -mbg (no packages, only a directory.)"
	echo "  -r --required-header <header> Errors if header is not installed."
	echo "  -e --required-header-error-message <message>"
	echo "                                     Error message for above."
	echo "  -d --remove-hidden Remove hidden files/directories from packages"
	echo "  --replace-files <file-pair-list>"
	echo "       <file-pair-list> is a comma separated list of file pairs"
	echo "       which should be replaced in the final distribution package."
	echo "       Each element of a pair is separated by an @"
	echo -n "       Example: --replace-files take_this_file@and_move_it_here,"
	echo "configure.in.bot.dist@configure.in.bot"
	echo "       The filenames are all relative to your package root."
	echo "       Please be careful! Try to avoid the usage of .. in the path. It"
	echo "       may break stuff! There can not be blank characters in the paths."
	echo "  -h --help Show this help"
	echo ""
	echo "	Name defaults to the last part of the directory."
	echo "By default, creates name[-version].tar.gz if gzip is installed"
	echo "and/or name[-version].tar.bz2 if bzip2 is installed in the current"
	echo "directory. Removes all temporary files it creates. Produces"
	echo "tarballs that are standard distribution tarballs with a"
	echo "configure script."
	echo "  Unless --no-i18n is given, it automatically tries to check out "
	echo "strings and documentation translation from svn."
	echo "	Arguments after the second are added to the toplevel directory"
	echo "in the package. Short options can be combined, eg -dm to create"
	echo "a directory and remove hidden files. ~/.svn2distrc is added to"
	echo "the beginning of command line arguments if it exists."
	echo "	'--' signifies the end of options."
	echo ""
	echo "Example: svn2dist /sources/tdegames kolf/objects/picture \\"
	echo "         -n kolf-picture -v 0.9 -r \"kolf/game.h\" \\"
	echo "         --log ~/tmp/extra-file"
	echo ""
	echo "  	Creates packages of the kolf picture plugin, naming the"
	echo "  packages kolf-picture-0.9 and logging the process. For configure"
	echo "  to succeed, kolf/game.h must be installed or an error will occur."
	echo "  ~/tmp/extra-file is added to the packages."
	echo ""
	echo "Webpage: http://www.katzbrown.com/shiritsu/programming/svn2dist/"
	echo "Authors: Jason Katz-Brown <jason@katzbrown.com>,"
	echo "         Sebastian Stein <seb.stein@hpfsc.de>,"
	echo "         Dominique Devriese <devriese@kde.org>"
	exit 1
fi

if [ -z $i18nmodule ]; then
    i18nmodule=`echo $module | sed -e 's#/#-##'`
fi

# expand module
module=`echo $module | sed -e 's#/$##'`
if [ `echo $module | sed -e 's#^/##'` = $module ]; then
	module="`pwd`/$module"
fi

# test if the given module is a directory
test -d $module
if [ $? -ne 0 ]; then
	echo "$module is not a directory."
	echo "Aborted."
	exit 1
fi

# go to our module
cd $module

directory=`echo $directory | sed -e 's#^/##'`
pofiles=""

for makefile in `find $directory -name Makefile.am`; do
    cat $makefile | while read line; do echo $line; done | perl -e '$mes=0; while (<STDIN>) { if (/^messages:/) { $mes=1; next; } if ($_ !~ m/^[^\t ]/) { $mes=0; } if ($mes && /\$\(XGETTEXT\)/ && / -o/) { s,.*-o \$\(podir\)/([a-z._-]+).*$,$1, ; chomp $_; $_ =~ s/\.pot/.po/; print "pofiles=\"$_ \$pofiles\"\n" }  }' > _tmppot
    . _tmppot
    rm -f _tmppot
done

if [ -z $name ]; then
	name=$directory
	# get rid of trailing slash
	name=`echo $name | sed -e 's#/$##'`
	# leading slash
	name=`echo $name | sed -e 's#^/##'`

	if [ `echo $name | sed -e 's#/##'` != $name ]; then
		name=`echo $name | sed -e 's#^.*/##'`
	fi
fi

test $calclog = 1 && log="$returndir/svn2dist-$name.log" && origlog="svn2dist-$name.log"

# test if the given name is a sub-directory
if [ ! -d "$directory" ]; then
	echo "$directory is not a sub-directory of $module."
	echo "Aborted."
	exit 1
fi

test $log != "/dev/null" && echo "Logging to $log."

echo "svn2dist log on "`date` > $log
echo -n "Module: $module; Directory: $directory; Name: $name; " >> $log
if [ -z $version ]; then
	echo "Version unspecified." >> $log
else
	echo "Version $version." >> $log
fi
echo $cmdline >> $log
echo "--------" >> $log

if [ -z $version ]; then
	filename=$name
else
	filename="$name-$version"
        VERSION=$version
	export VERSION
fi

if [ $doi18n = "yes" ]; then
	# a little warning...
	echo "Will try to fetch i18n files from KDE's SVN."
	echo "If this doesn't work, use --no-i18n."

    if [ -z "$svnroot" ]; then
        echo "No svn root specified, and --no-i18n option is not given.." >> $log
        echo "Using anonymous svn.." >> $log
        svnroot="svn://anonsvn.kde.org/home/kde/trunk"
    fi
fi

# the temporary directory
temp_dir="$module/svn2dist-tmp"
temp_dist="$temp_dir/$filename"

echo "Temporary directory is $temp_dir." >> $log

# make a temporary directory
test -d $temp_dir && rm -Rf $temp_dir

mkdir $temp_dir
mkdir $temp_dist || (echo "failed to create $temp_dist"; exit 1; )

# check if we were able to create temp_dir
test -d $temp_dist
if [ $? -ne 0 ]; then
	echo "Could not create temporary directory $temp_dist."
	echo "$temp_dist could not be created." >> $log
	echo "Aborted."
	exit 1
fi

test -z "$requiredmsg" && requiredmsg="Install development package needed first! $requiredheader, for one, is missing."

### configure.in.in
if [ ! -z $requiredheader ]; then
	naiyou="KDE_CHECK_HEADER(
$requiredheader,
[],
[AC_MSG_ERROR(\"$requiredmsg\")]
)"
	echo $naiyou > $temp_dir/configure.in.in
	echo "configure.in.in contents: " >> $log
	echo "--------" >> $log
	echo $naiyou >> $log
	appaddfiles="$appaddfiles $temp_dir/configure.in.in"
fi

# copy all files of the module to temp_dir/name
cp -RL $module/$directory $temp_dist/$name

echo "cp -R $module/$directory $temp_dist/$name" >> $log

modulename="$module"
# get rid of trailing slash
modulename=`echo $modulename | sed -e 's#/$##'`
# get the last part
modulename=`echo $modulename | sed -e 's#^.*/##'`

remove="$remove $modulename.lsm"

# we check out tde-i18n/subdirs in temp_dir/tde-i18n..
if [ $doi18n = "yes" ]; then
    pushd $temp_dir
    echo "Getting i18n subdirs" >> $log
    i18nlangs_tmp=`svn cat "$svnroot/l10n-trinity/subdirs"`
    skiplist="`echo $noi18nlang | sed -e 's/,/ /g'`"
    skiplist="$skiplist $always_skip_languages"
    for lang in $i18nlangs_tmp; do
        must_skip="no"
        for skip in $skiplist; do
            if [ "$lang" = "$skip" ]; then
                must_skip="yes"
            fi
        done
        if [ "$must_skip" = "no" ]; then
            i18nlangs="$i18nlangs $lang"
        fi
    done
    echo "available languages: $i18nlangs (Pofiles to fetch: $pofiles)" >> $log
    popd
fi

# if a handbook exists, we also copy it to the directory
if [ -d $module/doc/$name ]; then
	mkdir -p $temp_dist/doc/$name
	cp -Rf $module/doc/$name $temp_dist/doc
	find $module/doc/ -maxdepth 1 ! -xtype d | xargs --replace={} cp {} $temp_dist/doc

	if [ $doi18n = "yes" ]; then
	    pushd $temp_dir
	    for lang in $i18nlangs; do
		echo -n "Checking for $lang/$name... "
		test -d $temp_dist/doc/$lang && rm -Rf $temp_dist/doc/$lang
		docdirname="l10n-trinity/$lang/docs/$i18nmodule/$name"
		echo "svn export $svnroot/$docdirname $temp_dist/doc/$lang" >> $log
                mkdir -p $temp_dist/doc
		svn export "$svnroot/$docdirname" $temp_dist/doc/$lang >> $log 2>&1
		if [ ! -d "$temp_dist/doc/$lang" ]; then
		    echo "$lang's $name documentation does not exist." >> $log
		    echo "does not exist"
		    continue
		fi
		echo "KDE_LANG = $lang
KDE_DOCS = $name" > $temp_dist/doc/$lang/Makefile.am

		echo "done."
		echo "$lang documentation included." >> $log
	    done
	    popd
	fi
fi

# clean up doc directory
if [ -d $temp_dist/doc/$name ]; then
	pushd $temp_dist/doc/$name
	echo -n "make clean in $temp_dist/doc/$name/... "
	echo >> $log
	echo "make clean in $temp_dist/doc/$name/" >> $log
	make clean >> $log
	echo "--------" >> $log
	echo "done."
	popd
fi

if [ $doi18n = "yes" ]; then
	test -d $temp_dist/po && rm -Rf $temp_dist/po
	mkdir $temp_dist/po
        pushd $temp_dir

        for pofile in $pofiles; do
	  echo "Getting translations for $pofile from i18n..."

	  for lang in $i18nlangs; do
		pofilename="l10n-trinity/$lang/messages/$i18nmodule/$pofile";
		echo "Getting $pofilename" >> $log
		svn cat "$svnroot/$pofilename" >$pofile 2>&1 || rm -f $pofile
		if [ ! -f "$pofile" ]; then
			echo "$lang's $pofile does not exist." >> $log
			continue
		fi

		dest=$temp_dist/po/$lang
		mkdir -p $dest
		echo -n "Copying $lang's $pofile over... "
		echo "$lang's $pofile file included." >> $log
		mv $pofile $dest
		echo "done."
		
		echo "KDE_LANG = $lang
SUBDIRS = \$(AUTODIRS)
POFILES = AUTO" > $dest/Makefile.am

		subdirs="non_empty"
	  done
        done

        popd
	if [ -z "$subdirs" ]; then
		rm -Rf $temp_dist/po
	else
		echo "SUBDIRS = \$(AUTODIRS)" > $temp_dist/po/Makefile.am
	fi
fi

# copy the admin directory
if [ -z $admindir ]; then
	cp -pRL $module/admin $temp_dist
	echo "cp -pRL $module/admin $temp_dist" >> $log
else
	cp -pRL $admindir $temp_dist
	echo "cp -pRL $admindir $temp_dist" >> $log
fi

# and all files from the base dir, except directories
echo "Copying over files from the module directory:" >> $log
find $module -maxdepth 1 ! -xtype d  | xargs --verbose --replace={} cp {} $temp_dist 2>> $log
echo "--------" >> $log

# we now enter the temp_dist and delete all unwanted files
# and add wanted files
cd $temp_dist

# override top-level files
echo "Override files: " >> $log
for file in $override; do
	test -e $temp_dist/$name/$file && mv $temp_dist/$name/$file . && echo "mv $temp_dist/$name/$file ." >> $log
done

test ! -z "$addfiles" && echo "Addfiles: " >> $log
for file in $addfiles; do
	test -e $file && cp -R $file $temp_dist && echo "cp -R $file $temp_dist" >> $log
done

test ! -z "$appaddfiles" && echo "Application addfiles: " >> $log
for file in $appaddfiles; do
	test -e $file && cp -R $file $temp_dist/$name/ && echo "cp -R $file $temp_dist/$name/" >> $log
done

echo "--------" >> $log

# replace all user requested files
if [ -n "$replace_files" ]; then
	echo "Replace user requested files" >> $log
	pair_list="`echo $replace_files | sed -e 's/,/ /g'`"
	for pair in $pair_list; do
		pair_tmp="`echo $pair | sed -e 's/@/ /g'`"
		from="`echo $pair_tmp | awk '//{print $1}'`"
		to="`echo $pair_tmp | awk '//{print $2}'`"
		if [ -z "$from" ] || [ -z "$to" ]; then
			echo "bogus pair \"$from@$to\"" >> $log
			continue
		fi
		echo "Replacing \"$to\" by \"$from\"" >> $log
		from_path="$temp_dist/$name/$from"
		to_path="$temp_dist/$name/$to"
		if [ ! -f "$from_path" ]; then
			echo "$from_path does not exist!" >> $log
			echo ""
			echo "Warning: \"$from\" does not exist!"
			echo -n "Please enter the path in --replace-files relative "
			echo "to the package root of your project."
			echo "Your package root is: \"$module/$directory\""
			echo ""
			continue
		fi
		rm -f "$to_path" && \
		mv "$from_path" "$to_path"
		if [ $? -ne 0 ]; then
			echo -n "Moving \"$from_path\" failed! " >> $log
			echo -n "This should not happen." >> $log
			if [ -f "$to_path" ]; then
				echo ""
			else
				echo " No \"$to\" will exist in the archive!" >> $log
			fi
		fi
	done
	echo "--------" >> $log
fi

# version file, if it doesn't exist
test ! -z $version && test ! -e VERSION && echo "$name version $version" > VERSION

cd $temp_dist/$name
echo "make clean in $temp_dist/$name/:" >> $log
echo "" >> $log
echo -n "make clean in $temp_dist/$name/... "
make clean >> $log
echo "--------" >> $log
echo "done."

cd $temp_dist

# remove files
echo "Remove files: " >> $log
for file in $remove; do
	find . -name $file | xargs rm -Rf
	echo "find . -name $file | xargs rm -Rf" >> $log
done

# remove more files
echo "Remove toplevel files: " >> $log
for file in $toplevelremove; do
	test -e $file && rm -Rf $file && echo "rm -Rf $file" >> $log
done
unset file

# remove hidden files
test ! -z $removehidden && echo "Remove hidden files: " >> $log && find $temp_dist -name ".*" -and ! -name "." | xargs --verbose rm -Rf 2>> $log

echo "--------" >> $log

cd $temp_dist

# create the configure script
# working directory is $temp_dist
export UNSERMAKE=no
echo "make -f Makefile.cvs in $temp_dist/:" >> $log
echo "" >> $log
echo -n "make -f Makefile.cvs in $temp_dist/... "
make -f Makefile.cvs >> $log 2>> $log
echo "rm Makefile.cvs" >> $log
rm -f Makefile.cvs
echo "rm autom4te.cache" >> $log
rm -Rf autom4te.cache
echo "--------" >> $log
echo "done."

echo "Directory will be $filename."

# play around with our tar file in temp_dir
cd $temp_dir

if [ ! -z $leavedir ]; then
	test -e $returndir/$filename && rm -Rf $returndir/$filename
	cp -R $filename $returndir
fi

# make a tar of temp_dist
if [ -z $nogzip ] || [ -z $nobzip2 ]; then
	echo -n "Tarring... "
	echo "tar cf $filename.tar $filename" >> $log
	tar cf $filename.tar $filename >> $log
	echo "done."
fi

if [ -z $nogzip ] && [ ! -z `which gzip 2> /dev/null` ]; then
	cp $filename.tar $filename.tar.tmp
	echo -n "running gzip... "
	echo "gzip $filename.tar" >> $log
	gzip $filename.tar
	echo "done."
	mv $filename.tar.tmp $filename.tar
	mv $filename.tar.gz $returndir
	echo "mv $filename.tar.gz $returndir" >> $log
fi
if [ -z $nobzip2 ] && [ ! -z `which bzip2 2> /dev/null` ]; then
	echo -n "running bzip2... "
	echo "bzip2 $filename.tar" >> $log
	bzip2 $filename.tar
	echo "done."
	mv $filename.tar.bz2 $returndir
	echo "mv $filename.tar.bz2 $returndir" >> $log
fi

test -e $filename.tar && rm -f $filename.tar

# cleanup all tempoaries
exit_cleanup

cd $returndir

test -z $leavedir && test ! -z $nobzip2 && test ! -z $nogzip && echo "Finished - no created files." && exit 1

# cool, everything went ok!
if [ -z $leavedir ]; then
	echo "Finished. Created packages:"
else
	if [ -z $nogzip ] || [ -z $nobzip2 ]; then
		echo "Finished. Created packages/directories:"
	else
		echo "Finished. Created directory:"
	fi
fi

echo "--------" >> $log
echo "Done: " >> $log
echo "Files are in `pwd`." >> $log

if [ ! -z $leavedir ] && [ -d $filename ]; then
	ls -ld $filename
	ls -ld $filename >> $log
fi
if [ -z $nogzip ] && [ -e $filename.tar.gz ]; then
	ls -l $filename.tar.gz
	ls -l $filename.tar.gz >> $log
fi
if [ -z $nobzip2 ] && [ -e $filename.tar.bz2 ]; then
	ls -l $filename.tar.bz2
	ls -l $filename.tar.bz2 >> $log
fi
if [ $log != "/dev/null" ]; then
	echo "Created log:"
	ls -l $origlog
fi