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;# $Id$
;#
;# Copyright (c) 1990-2006, Raphael Manfredi
;#
;# You may redistribute only under the terms of the Artistic License,
;# as specified in the README file that comes with the distribution.
;# You may reuse parts of this distribution only within the terms of
;# that same Artistic License; a copy of which may be found at the root
;# of the source tree for mailagent 3.0.
;#
;# $Log: distribs.pl,v $
;# Revision 3.0 1993/11/29 13:48:40 ram
;# Baseline for mailagent 3.0 netwide release.
;#
;#
;# This file relies on the following external conditions:
;# - operation &fatal() available for fatal errors
;# - the configuration variables are properly set
;# - logging is done via &add_log()
;#
# Read a distribution file and fill in data structures for
# the query functions. All the data are stored in associative
# arrays, indexed by the system's name and version number.
# Associative arrays are:
#
# name indexed by information
#
# %Program name + version have we seen that line ?
# %System name is name a valid system ?
# %Version name latest version for system
# %Location name + version location of the distribution
# %Archived name + version is distribution archived ?
# %Compressed name + version is archive compressed ?
# %Patch_only name + version true if only patches delivered
# %Maintained name + version true if distribution is maintained
# %Patches name + version true if official patches available
#
# For systems with a version of '---' in the file, the version
# for accessing the data has to be a "0" string.
#
# Expected format for the distribution file:
# system version location archive compress patches
#
# The `archive', `compress' and `patches' fields can take one
# of the following states: "yes" and "no". An additional state
# for `patches' is "old", which means that only patches are
# available for the version, and not the distribution. Another is
# "patch" which means that official patches are available.
# All these states can be abbreviated with the first letter.
#
sub read_dist {
local($fullname);
open(DIST, "$cf'distlist") ||
&fatal("cannot open distribution file");
while (<DIST>) {
next if /^\s*#/; # skip comments
next if /^\s*$/; # skip empty lines
next unless s/^\s*(\w+)\s+([.\-0-9]+)//;
$fullname = $1 . "|" . ($2 eq '---'? "0" : $2);
if (defined $Program{$fullname}) {
&add_log("WARNING duplicate distlist entry $1 $2 ignored")
if $loglvl > 5;
next;
}
$Program{$fullname}++;
$Version{$1} = ($2 eq '---' ? "0" : $2) unless
defined($System{$1}) && $Version{$1} > ($2 eq '---' ? "0":$2);
$System{$1}++;
unless (/^\s*(\S+)\s+(\w+)\s+(\w+)\s+(\w+)/) {
&add_log("WARNING bad system description line $.")
if $loglvl > 5;
next; # Ignore, but it may corrupt further processing
}
local($location) = $1;
local($archive) = $2;
local($compress) = $3;
local($patch) = $4;
$location =~ s/~\//$cf'home\//; # ~ expansion
$Location{$fullname} = $location;
$Archived{$fullname}++ if $archive =~ /^y/;
$Compressed{$fullname}++ if $compress =~ /^y/;
$Patch_only{$fullname}++ if $patch =~ /^o/;
$Maintained{$fullname}++ if $patch =~ /^y|o/;
$Patches{$fullname}++ if $patch =~ /^p/;
}
close DIST;
}
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