#!/bin/sh

# build_menu 0.02

# look at installed packages (NetBSD)
# and build a datafile to generate menus
# (c) 2001 Jeremy C. Reed
# started 08/Jan/2000

PKG_DB_DIR=/var/db/pkg
PKGSRC_DIR=/usr/pkgsrc
PKG_MAN_DIR=/usr/pkg/man

TMPDIR=/tmp/build_menu.$$
if ! mkdir $TMPDIR; then
        echo can not create $TMPDIR.
        exit 1
fi

trap '/bin/rm -rf $TMPDIR ; exit 0' 0 2 3

PACKAGES=$TMPDIR/packages.$$
FILELIST=$TMPDIR/filelist.$$

find $PKG_DB_DIR -type d -print | sed -e 's/^\.\///g' > $FILELIST

for package in `cat $FILELIST`; do

  if [ -f "$package/+BUILD_VERSION" ]; then
    head -1 $package/+BUILD_VERSION | sed -e 's/\/Makefile.*//' >> $PACKAGES
  fi

done

for package in `grep -v 'pkgsrc' $PACKAGES | sort`; do

  unset EXECUTABLES
  if [ -f "$PKGSRC_DIR/$package/pkg/PLIST" ]; then
    EXECUTABLES=`grep '^bin' "$PKGSRC_DIR/$package/pkg/PLIST" | \
    sed -e 's/bin\///'`
  fi

  if [ -n "$EXECUTABLES" ]; then

    unset PACKAGE_DESC
    if [ -f "$PKGSRC_DIR/$package/pkg/COMMENT" ]; then
      PACKAGE_DESC=`cat $PKGSRC_DIR/$package/pkg/COMMENT`
    fi

    echo $package

    echo $PACKAGE_DESC

    packagename=`echo $package | sed -e 's/^.*\///'`

    for executable in $EXECUTABLES; do

      unset DESC

      # get descriptions from manual pages

      if [ -f "$PKG_MAN_DIR/man1/$executable.1" ]; then
        DESC=`grep -A 1 '.S[Hh] NAME' $PKG_MAN_DIR/man1/$executable.1 | \
              grep "$executable " | sed -e 's/^.* \\\- //'`
      fi
      if [ -f "$PKG_MAN_DIR/man8/$executable.8" ]; then
        DESC=`grep -A 1 '.S[Hh] NAME' $PKG_MAN_DIR/man8/$executable.8 | \
              grep "$executable " | sed -e 's/^.* \\\- //'`
      fi

      if [ -z "$DESC" -a "$packagename" = "$executable" ]; then
        DESC=$PACKAGE_DESC
      fi

      echo $executable $DESC
 
    done

   echo

  fi

done