contrib-tek/ports-han/ports

#!/bin/sh
#
#  ports
#
#  Copyright (c) 2002-2004 Per Liden
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
#  USA.
export PATH=/bin:/usr/bin

if [ $(id -u) -eq 0 ]; then
    echo "$COMMAND: root should not update ports"
    exit 1
fi

check_ports_dir() {
    if [ ! -d "$PORTS_DIR" ]; then
	echo "$COMMAND: directory \`$PORTS_DIR' not found"
	exit 1
    fi
}

update_ports() {
    export PORTS_DIR

    if ! stat -t /etc/ports/drivers/* >/dev/null 2>&1; then
	echo "$COMMAND: no driver(s) installed" >&2
	exit 1
    fi

    if [ "$OPT_COLLECTIONS" ]; then
	# Update selected collections
	for collection in $OPT_COLLECTIONS; do
	    collection_exists=no
	    for file in /etc/ports/$collection.*; do
		collection_exists=yes
		break
	    done
	    if [ "$collection_exists" = yes ]; then
		for driver in /etc/ports/drivers/*; do
		    if [ -x $driver ]; then
			suffix=${driver##*/}
			file=/etc/ports/$collection.$suffix
			if [ -f $file ]; then
			    $driver $file &
			    break # don't use both cvsup and httpup
			fi
		    fi
		done
	    else
		echo "$COMMAND: collection \`$collection' not found"
	    fi
	done
    else
	# Update all collections
	for driver in /etc/ports/drivers/*; do
	    if [ -x $driver ]; then
		suffix=${driver##*/}
		for file in /etc/ports/*.$suffix; do
		    $driver $file &
		done
	    fi
	done
    fi
    wait
    echo 'Ports update done.'
}

list_ports() {
    find $PORTS_DIR -name Pkgfile -follow -printf "%P\n" | sort | sed 's|/Pkgfile||'
}

list_differences_at_exit() {
    rm -f $ports_list $output
}

list_differences() {
    ports_list=$(mktemp) || exit 1
    output=$(mktemp) || exit 1
    echo "Collection Name Port Installed" > $output
    trap list_differences_at_exit EXIT

    find $PORTS_DIR -name Pkgfile -follow -printf "%P\n" | sort > $ports_list

    set -- $(pkginfo -i)
    while [ $# -ge 2 ]; do
	package=$1
	installed_version=$2
	shift 2
	port_list=$(grep "/$package/" $ports_list)
	for port in $port_list; do
	    source $PORTS_DIR/$port
	    collection=${port%/*/Pkgfile}
	    port_version="$version-$release"
	    if [ "$installed_version" != "$port_version" ]; then
		echo "$collection $package $port_version $installed_version" >> $output
	    fi
	done
    done
    if [ -s "$output" ]; then
	sort $output| column -t
    else
	echo "No differences found"
    fi
}

print_try_help() {
    echo "Try \`$COMMAND --help' for more information."
}

print_help() {
    cat << EOF
usage: $COMMAND [options] [collection ...]
options:
   -u, --update    update ports
   -l, --list      list ports
   -d, --diff      list version differences
   -v, --version   print version and exit
   -h, --help      print help and exit
EOF
}

parse_options() {
    unset OPT_MODE OPT_COLLECTIONS

    for OPT in "$@"; do
	case $OPT in
	    -u|--update)
		OPT_MODE=update ;;
	    -l|--list)
		OPT_MODE=list ;;
	    -d|--diff)
		OPT_MODE=diff ;;
	    -v|--version)
		echo "$COMMAND $VERSION"
		exit 0 ;;
	    -h|--help)
		print_help
		exit 0 ;;
	    -*)
		echo "$COMMAND: invalid option $OPT"
		print_try_help
		exit 1 ;;
	    *)
		OPT_COLLECTIONS="$OPT_COLLECTIONS $OPT" ;;
        esac
    done
}

main() {
    parse_options "$@"

    if [ "$OPT_MODE" = update ]; then
	check_ports_dir
	update_ports
    elif [ "$OPT_MODE" = list ]; then
	check_ports_dir
	list_ports
    elif [ "$OPT_MODE" = diff ]; then
	check_ports_dir
	list_differences
    else
	echo "$COMMAND: option missing"
	print_try_help
	exit 1
    fi

    exit 0
}

# zsh/bash portability stuff
if [ -n "$ZSH_VERSION" ]; then
    setopt braceexpand shwordsplit
    emulate sh
    NULLCMD=:
fi

# Affects sort order
export LC_ALL=C

VERSION="1.4"
PORTS_DIR="/usr/ports"
COMMAND=${0##*/}

main "$@"