43ed8edb9c
Now, resolve-lib can take a big list of libraries with full paths, and it can solve a big list of spec at once. Basically, we move most of the parsing of spec paths into resolve-lib. Since print-package-signature does build a full list of libs, let's solve it all at once, instead of invoking a costly perl script repeatedly. Add some caching possibilities for out-of-date. Specifically: - store libraries for each package under the directory _PORT_LIBS_CACHE - use the dependency cache _DEPENDS_FILE to avoid recreating dependency chains, add a new file _DEPENDS_CACHE that will accumulate all dependencies, and extract these with a simple script extract-dependencies. Use echo to build libraries lists instead of ls, that's a bit simpler... Some more clean-up will happen: it's probably simpler to parse libspecs at once, extract the libraries needed and go fetch the corresponding libraries just once.
57 lines
1.6 KiB
Perl
57 lines
1.6 KiB
Perl
#! /usr/bin/perl
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# $OpenBSD: extract-dependencies,v 1.1 2005/10/09 12:01:22 espie Exp $
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#
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# Copyright (c) 2005 Marc Espie <espie@openbsd.org>
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#
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# Permission to use, copy, modify, and distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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# Usage: extract-dependencies < 'tsort-pairs' seed
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# extracts all the dependencies for seed from a list that contains more
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# than that.
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use strict;
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use warnings;
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# build dependency graph
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my $dep = {};
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while(<STDIN>) {
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chomp;
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my($a, $b) = split(/\s+/, $_);
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$dep->{$a} = {} unless defined $dep->{$a};
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$dep->{$a}->{$b} = 1;
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}
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# get the starting point
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my $pkgpath = shift;
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my @todo = ();
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my $done = {};
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# walk the graph repeatedly starting from it
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push(@todo, $pkgpath);
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while (my $x = shift @todo) {
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next if $done->{$x};
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$done->{$x} = 1;
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next unless defined $dep->{$x};
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push(@todo, keys %{$dep->{$x}});
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}
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# display all nodes, except for the seed
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for my $d (keys %$done) {
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next if $d eq $pkgpath;
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print "$d\n";
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}
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