pkgsrc-wip/pkg_summary-utils/files/pkg_list_all_pkgs.in

#!@SH@
#-*-mode:  sh -*-

# Copyright (c) 2007-2008 Aleksey Cheusov <vle@gmx.net>
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

set -e

. pipestatus

############################################################
usage (){
    cat 1>&2 <<EOF
pkg_list_all_pkgs - outputs all packages in pkgsrc tree

usage: pkg_list_all_pkgs [OPTIONS]
OPTIONS:
  -h|--help              display this help message
EOF
}

while test $# -ne 0; do
    case "$1" in
	-h|--help)
	    usage
	    exit 0;;
	--)
	    shift
	    break;;
	-*)
	    echo "Unrecognized option " $1 ". Type --help to see usage" 1>&2
	    exit 1;;
	*)
	    break;;
    esac
    shift
done

############################################################
# user settable variables
if test -z "$PKGSRCDIR"; then
    PKGSRCDIR=/usr/pkgsrc
fi

if test -z "$BMAKE"; then
    BMAKE=make
fi

############################################################
cd $PKGSRCDIR

tmp_dir="/tmp/pkg_list_all_pkgs.$$"
trap "rm -rf $tmp_dir" 0 1 2 15
mkdir -m 700 "$tmp_dir"

############################################################
############################################################
#### get all available packages

enrich_Makefile (){
    cat <<EOF
.PHONY: my-show-var
my-show-var:
	@echo \${\${VARNAME}:Q}

.include "./Makefile"
EOF
}

get_SUBDIR (){
    subdir_fn=$tmp_dir/subdirs
    runpipe0 \
	enrich_Makefile '|' \
	${BMAKE} -f - my-show-var VARNAME=SUBDIR > $subdir_fn
    cat $subdir_fn
}

prepand (){
    awk -v prefix="$1" '{print prefix $0}'
}

space_to_NL () {
    tr ' ' '
'
}

list_all_packages (){
    categories="`get_SUBDIR`"
    for c in $categories; do
	(
	    cd $c &&
	    runpipe0 \
		get_SUBDIR '|' \
		space_to_NL '|' \
		prepand "$c/"
	)
    done
}

list_all_packages