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#!/usr/bin/perl
#
# doincludes directory
#
# Expands #include directives in files in the directory. This is used
# to let task package pull in the contents of metapackages, keeping the
# contents up-to-date, w/o actually pulling in the metapackages themselves,
# since some metapackages are rather prone to breakage near release time.
my $dir=shift or die "no directory specified\n";
my %depends;
{
local $/="\n\n";
if (! open (AVAIL, "apt-cache dumpavail |")) {
warn "cannot real available info, so not exanding includes\n";
exit;
}
while (<AVAIL>) {
my ($package)=/Package:\s*(.*?)\n/;
my ($depends)=/Depends:\s*(.*?)\n/;
$depends{$package}=$depends;
}
close AVAIL;
}
use File::Find;
find(\&processfile, $dir);
sub processfile {
my $file=$_; # File::Find craziness.
$file eq 'po' && -d $file && ($File::Find::prune = 1);
return if $File::Find::dir=~/\.(svn|git)/;
return unless $file =~ /^[-+_.a-z0-9]+$/ and -f $file;
my @lines;
open (IN, $file) or die "$file: $!";
while (<IN>) {
if (/#\s*endinclude/) {
if ($skipping == 0) {
die "$file: #endinclude without #include\n";
}
$skipping=0;
}
push @lines, $_ unless $skipping == 1;
if (/^#\s*include\s+(\w+)/) {
my $pkg=$1;
if ($skipping) {
die "$file: nested includes near $_\n";
}
if (! exists $depends{$pkg}) {
warn "$file: #include $1 skipped; no such package. Leaving what was there alone.\n";
$skipping=-1;
}
else {
push @lines, "#Automatically added by doincludes.pl; do not edit.\n";
# Split deps and remove alternates and versioned
# deps. Include the metapackage on the list.
push @lines, map { s/[|(].*//; " $_\n" }
split(/,\s+/, $depends{$pkg}), $pkg;
$skipping=1;
}
}
}
close IN;
if ($skipping == 1) {
die "$file: #include without #endinclude";
}
open (OUT, ">$file") or die "$file: $!";
print OUT @lines;
close OUT;
}
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