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#!/bin/env perl -w |
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# |
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# $Id: depmaker 6679 2009-10-03 08:47:27Z dmichelsen $ |
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# |
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# Copyright 2006 Cory Omand <comand@blastwave.org> |
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# All rights reserved. Use is subject to license terms. |
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# |
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# Redistribution and/or use, with or without modification, is |
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# permitted. This software is without warranty of any kind. The |
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# author(s) shall not be liable in the event that use of the |
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# software causes damage. |
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# |
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# depmaker - find package dependencies for a list of files |
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# |
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|
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use strict; |
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|
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use File::Basename; |
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use Getopt::Long qw/:config no_ignore_case gnu_getopt/; |
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use File::Spec::Functions qw/canonpath catfile/; |
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use File::Temp qw/tempfile/; |
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|
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my $self = basename $0; |
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my $VERSION = "1.0"; |
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|
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# Get command line options |
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my $do_script = 1; |
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my $be_quiet = 0; |
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my (@nodep, $rootdir); |
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my $text_files = 0; |
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GetOptions( |
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'script!' => \$do_script, |
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'quiet|q' => \$be_quiet, |
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'root=s' => \$rootdir, |
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'nodep=s' => \@nodep, |
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'help|h' => \&usage, |
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'text|t' => \$text_files, |
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'version|V' => sub { |
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print STDERR "$self v$VERSION\n"; |
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exit 2; |
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}, |
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) or usage(); |
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|
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# Join package patterns |
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my $nodep = join "|", @nodep; |
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|
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sub usage { |
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print STDERR "Usage: $self [--text] [--no/script] [--nodep <pkg>] [--root <path>] < path_list > depend\n"; |
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exit 1; |
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} |
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|
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sub msg { |
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return if $be_quiet; |
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print STDERR @_; |
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} |
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|
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sub exclude { |
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my $path = shift; |
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foreach my $pat (@nodep) { return 1 if $path =~ $pat } |
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return 0; |
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} |
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|
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msg "root directory : $rootdir\n" if $rootdir; |
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msg "skip depends for : " . join(", ", sort @nodep) . "\n"; |
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msg "script dependencies : " . ($do_script ? "enabled" : "disabled") . "\n"; |
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msg "\n"; |
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|
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msg "processing path list...\n"; |
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|
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# Analyze the incoming path list... |
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my %depfiles; |
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foreach (<>) { |
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chomp; |
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|
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# Prepend the root directory, if supplied |
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my ($filedst,$filesrc) = split /=/, $_; |
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$filesrc = $filedst unless $filesrc; |
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if ($rootdir) { |
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if ($filesrc =~ /^\$basedir/) { |
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$filesrc =~ s/^\$basedir/$rootdir/; |
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} |
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else { |
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$filesrc = catfile($rootdir, $filesrc); |
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} |
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$filesrc = canonpath($filesrc); |
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} |
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|
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local $_ = $filesrc; |
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next unless -f; |
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|
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my ($ftype) = `/bin/file -h '$_'`; |
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|
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my @depfiles; |
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if ($do_script and $ftype =~ /script/) { |
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# Extract an interpreter dependency... |
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my ($bangpath) = `head -1 $_`; chomp $bangpath; |
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$bangpath =~ s/^#!\s*(\S+)(\s.+)?/$1/; |
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|
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msg "$_ ... $bangpath script"; |
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|
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# Compensate for /bin -> /usr/bin |
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$bangpath = "/usr$bangpath" if $bangpath =~ '^/bin'; |
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$depfiles{$bangpath}++; |
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|
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} |
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elsif ($ftype =~ /dynamically linked/) { |
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msg "$_\n"; |
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|
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foreach my $line (`dump -Lv $_`) { |
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next unless $line =~ /NEEDED/; chomp $line; |
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my (undef, undef, $lib) = split /\s+/, $line; |
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#msg " $lib\n"; |
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$depfiles{$lib}++ if $lib; |
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} |
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} |
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elsif ($text_files and $ftype =~ /text/) { |
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$depfiles{$filesrc}++; |
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} |
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} |
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exit 0 unless scalar keys %depfiles; |
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|
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# Write dependency paths out to a temp file |
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my ($deptmp_fh, $deptmp) = tempfile; |
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print $deptmp_fh $_, "\n" foreach (sort keys %depfiles); |
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|
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msg "searching package database for dependencies...\n"; |
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|
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# Look for all files that had dependencies in the system install |
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# install database, and store the package names... |
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$nodep = "-v '$nodep'" if $nodep; |
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my $query; |
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$query .= $nodep ? "egrep $nodep " : "cat "; |
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$query .= "/var/sadm/install/contents "; |
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$query .= "| fgrep -f $deptmp "; |
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$query .= "| gawk '{print \$NF}' "; |
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$query .= "| sort | uniq"; |
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|
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close $deptmp_fh; |
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|
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chomp(my @deppkg = `$query`); |
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|
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foreach (sort @deppkg) { |
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my ($desc) = `pkginfo $_` or next; |
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chomp $desc; |
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my ($class, $pkginst, $pdesc) = split /\s+/, $desc, 3; |
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print "P $pkginst $pdesc\n"; |
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} |
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|
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exit 0; |
