#!/bin/sh

echo "Determining which files goes where through \
the magic of regular expressions."

# Pretty dead simple.  The pattern files include
# regular expression that match some files.  Files that
# match patterns in binary.patterns go into the base
# package.  Same goes for the X11 package.  Files
# that don't match anything go into the NO-X package etc.

# Files that match here might also go into
# erlang-base-hipe.install.

DIR=$1

echo "erlang-base"
find debian/erlang-stnd -type f | \
    grep -E -f debian/patterns/erlang-base.patterns | \
    cut -c 20- > debian/erlang-base.install

echo "erlang-base-hipe"
find debian/erlang-hipe -type f | \
    grep -E -f debian/patterns/erlang-base-hipe.patterns | \
    cut -c 20- > debian/erlang-base-hipe.install

# Here, files that matched above shouldn't
# be looked at.

echo "erlang-examples"
find $DIR -type f | \
    grep -v -E -f debian/patterns/erlang-base.patterns | \
    grep -v -E -f debian/patterns/erlang-base-hipe.patterns | \
    grep -E -f debian/patterns/erlang-examples.patterns | \
    cut -c 20- > debian/erlang-examples.install

echo "erlang-src"
find $DIR -type f | \
    grep -v -E -f debian/patterns/erlang-base.patterns | \
    grep -v -E -f debian/patterns/erlang-base-hipe.patterns | \
    grep -v -E -f debian/patterns/erlang-examples.patterns | \
    grep -E -f debian/patterns/erlang-src.patterns | \
    cut -c 20- > debian/erlang-src.install

echo "erlang-dev"
find $DIR -type f | \
    grep -E -e './usr/lib/erlang/usr/include' | \
    cut -c 20- | sed -e 's!$! usr/lib/erlang/usr/include!' > debian/erlang-dev.install

find $DIR -type f | \
    grep -v -E -f debian/patterns/erlang-base.patterns | \
    grep -v -E -f debian/patterns/erlang-base-hipe.patterns | \
    grep -v -E -f debian/patterns/erlang-examples.patterns | \
    grep -v -E -f debian/patterns/erlang-src.patterns | \
    grep -E -f debian/patterns/erlang-dev.patterns | \
    cut -c 20- >> debian/erlang-dev.install

PACKAGES='appmon asn1 common-test corba crypto debugger dialyzer diameter
	  edoc eldap erl-docgen et eunit gs ic-java ic inets jinterface megaco mnesia
	  observer odbc os-mon parsetools percept pman public-key reltool
	  runtime-tools snmp ssh ssl syntax-tools test-server toolbar tools tv
	  typer webtool wx xmerl'

CMD='grep -v -E -e ./usr/lib/erlang/usr/include |
     grep -v -E -f debian/patterns/erlang-base.patterns |
     grep -v -E -f debian/patterns/erlang-base-hipe.patterns |
     grep -v -E -f debian/patterns/erlang-examples.patterns |
     grep -v -E -f debian/patterns/erlang-src.patterns |
     grep -v -E -f debian/patterns/erlang-dev.patterns'

CMD1=$CMD
MODULES=""
for fn in $(awk -- '/\.beam$/ {system("basename " $1 " .beam")}' debian/erlang-base.install)
do
    MODULES="$MODULES{\"$fn\", \"erlang-base\"},\n"
done
PACKAGES2="\"dev\", \"nox\", \"x11\""
for pkg in $PACKAGES ; do
    echo erlang-$pkg

    find $DIR -type f | eval $CMD | \
	grep -E -f debian/patterns/erlang-$pkg.patterns | \
	cut -c 20- | sort > debian/erlang-$pkg.install

    CMD1="$CMD1 | grep -v -E -f debian/patterns/erlang-$pkg.patterns"
    for fn in $(awk -- '/\.beam$/ {system("basename " $1 " .beam")}' debian/erlang-$pkg.install)
    do
	MODULES="$MODULES{\"$fn\", \"erlang-$pkg\"},\n"
    done
    PACKAGES2="$PACKAGES2, \"$pkg\""
done

sed -i -e "s/@PACKAGES@/$PACKAGES2/" -e "s/@MODULES@/$MODULES/" debian/scripts/erlang-depends

echo "FILES WHICH HAVEN'T REACHED ANY PACKAGE"
find $DIR -type f | eval $CMD1

echo "PACKAGES INTERSECTIONS"
for pkg1 in $PACKAGES ; do
    for pkg2 in $PACKAGES ; do
	if [ $pkg1 != $pkg2 ] ; then
	    comm -1 -2 debian/erlang-$pkg1.install debian/erlang-$pkg2.install
	fi
    done
done
echo "---------------------------------------"

