#!/bin/bash

fast=0

commit_changes="yes"

webdir=/home/tews/www/alfa-www/askra-root/software/otags
#webdir=/tmp/tews/otags-www

function usage(){
    echo "usage: make-distribution [-fast] [-nochanges]"
    exit 1
}


while [ $# \!= 0 ]; do
    case $1 in
	-nochanges) 	commit_changes="no";
	    		shift;;
	-fast)		fast=1;
	    		shift;;
	*)		echo `basename $0` : unknown option $1;
		        usage;
			shift;;
    esac;
done

timestamp=$(date '+%Y-%m-%d')

otags_version=$(./configure -abra-print-version)


if [ $commit_changes = "yes" ] ; then
    echo
    echo Prepare changes.html for commit?
    echo -n [Y/n]?
    read answer
    if [  ${answer:=y} = n -o $answer = N ] ; then
	commit_changes="no"
    fi
fi


if [ $commit_changes = "yes" ] ; then

    sed -i.$(date +%s)~ \
	-e "s/^<DT>XXXX-XX-XX/<DT>$timestamp: otags $otags_version released/" \
	doc/changes.html

    cvsmessage="* prepare doc/changes.html for release"

    cat - ChangeLog > newchangelog <<EOF
$(date +%Y-%m-%d)  Hendrik Tews <otags@askra.de>

	$cvsmessage

EOF

    mv newchangelog ChangeLog

    cvs update | grep -v '^?' | grep -v '^cvs update: Updating'

    echo
    echo Commit and copy patched [recent-]changes.html : 
    echo cvs commit -m "$cvsmessage" . ?
    echo -n [Y/n]?
    read answer

    if [  ${answer:=y} = n -o $answer = N ] ; then
	exit 0
    fi

    cvs commit -m "$cvsmessage" .
    cp doc/changes.html $webdir

    sed -n -e '/RECENT CHANGES START/,/RECENT CHANGES END/p' \
	< doc/changes.html > $webdir/recent-changes.html
fi

rm -r doc/otags.html
make -C doc otags.html

branch=$(cvs status Makefile.in | awk  '/Sticky Tag/ {print $3;}')
if [ $branch = '(none)' ] ; then
    branch=HEAD
fi

echo using branch $branch

export CVSROOT=$(cat CVS/Root)
echo using CVSROOT $CVSROOT


tmpdir=/tmp/tews
name="otags-$otags_version"

rm -rf $tmpdir/$name

pushd $tmpdir
set -x
cvs export -d $name -r $branch src/otags > /dev/null
set +x

filestodelete="test/ccsl.* test/otags.* test/loc_t.ml
               util/test_subst.ml util/test_osubst.ml
               debian make-deb-package"

for f in $filestodelete ; do
    rm -rf $name/$f
done


popd

filestocopy="doc/otags.html"

for f in $filestocopy ; do
    cp $f $tmpdir/$name/$f
done

pushd $tmpdir

tar -czf $name.tar.gz $name

popd

rm -rf $tmpdir/test-otags*

set -e
if [ $fast = 0 ] ; then
    ./test-distribution byte --bytecode
    ./test-distribution native
fi
set +e


echo
echo copy doc/otags.man
echo     $tmpdir/$name.tar.gz 
echo to $webdir
echo -n [Y/n]?
read answer

if [  ${answer:=y} = n -o $answer = N ] ; then
    exit 0
fi

cp doc/otags.html $webdir/otags.man.html
cp $tmpdir/$name.tar.gz $webdir


release_tag=otags-release-$(echo $otags_version | sed -e 's/\./-/g')

echo
echo Fix download links in website and tag release with $release_tag ?
echo -n [Y/n]?
read answer

if [  ${answer:=y} = n -o $answer = N ] ; then
    exit 0
fi

oldlink=$(sed -n -e '/LATEST VERSION LINK/ {s/<[^>]*>//
       	  	   	   	            s/\[otags-//
				            s/.tar.gz\]//
                                            s/>\./>,/
                                            p
				           }' < $webdir/index.shtml)


tgzfile="otags-$otags_version.tar.gz"
newlink="<!-- LATEST VERSION LINK --><A HREF=\"$tgzfile\">[$tgzfile]<\\/A>."

cp $webdir/index.shtml $webdir/index.shtml.$(date +%s)~

sed -e "/LATEST VERSION LINK/ c$newlink" \
    -e "/Previous versions:/ {p
                             c$oldlink
                            }" \
    < $webdir/index.shtml > $webdir/indexnew.shtml

mv $webdir/indexnew.shtml $webdir/index.shtml


cvs tag $release_tag

echo
echo Upload website?
echo -n [Y/n]?
read answer

if [  ${answer:=y} = n -o $answer = N ] ; then
    exit 0
fi

/home/tews/www/update-sys -web


echo
echo bump version number?
echo -n [Y/n]?
read answer

if [  ${answer:=y} = n -o $answer = N ] ; then
    exit 0
fi


otagsversion=$(sed -n -e '/^OTAGS_VERSION/ {s/OTAGS_VERSION=//
                                               p
                                              }' < configure)
otagsversion=$(($otagsversion + 1))


cp configure configure.$(date +%s)~
sed -e "/^OTAGS_VERSION/ cOTAGS_VERSION=$otagsversion" \
    < configure > newconfigure

mv newconfigure configure

releasetime=$(TZ=UTC date '+%Y-%m-%d %H:%M:%S %Z')
cvsmessage="* release version $otags_version on $releasetime"

cat - ChangeLog > newchangelog <<EOF
$(date +%Y-%m-%d)  Hendrik Tews <otags@askra.de>

	$cvsmessage

EOF

mv newchangelog ChangeLog

cvs update | grep -v '^?' | grep -v '^cvs update: Updating'



echo
echo cvs commit -m "$cvsmessage" . ??
echo -n [Y/n]?
read answer

if [  ${answer:=y} = n -o $answer = N ] ; then
    exit 0
fi

cvs commit -m "$cvsmessage" .