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debian-cd-clone
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Add initial http fetching support 

Use the new grab_file helper to make sure we have all the files we
need.

Optionally check for what arches are available on an http mirror as
well as / instead of just looking locally.
This commit is contained in:
Steve McIntyre 2014-01-17 00:58:21 +00:00
parent 2a829e9972
commit 277be3a9bf
1 changed files with 35 additions and 4 deletions
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39
tools/which_deb
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@ -8,6 +8,17 @@
use strict;
use List::Util qw{first};
sub read_env {
my $env_var = shift;
my $default = shift;
if (exists($ENV{$env_var})) {
return $ENV{$env_var};
}
# else
return $default;
}
my ($mirror, $codename, $pkg, $pth, $output, $text_out);
$mirror = shift;
@ -17,6 +28,7 @@ $output = shift;
$pth = "$mirror/dists/$codename";
$text_out = "";
my $httpmirror = read_env('HTTPMIRROR', "");
my @components = qw(main);
push @components, 'contrib' if $ENV{CONTRIB};
push @components, 'non-free' if $ENV{NONFREE};
@ -39,15 +51,29 @@ if ( $ENV{ARCHES} ) {
if (!@ARCHES) {
my %found_arches;
my $dh;
# See what arches we have in the local mirror
for my $component(@components) {
if (-d "$pth/$component") {
opendir ($dh, "$pth/$component");
if ($dh) {
while (my $entry = readdir $dh) {
$entry =~ /^binary-(.*)/ and $1 !~ /all/ and $found_arches{$1} = 1;
}
while (my $entry = readdir $dh) {
$entry =~ /^binary-(.*)/ and $1 !~ /all/ and $found_arches{$1} = 1;
}
}
close $dh;
}
} else {
# Look up via http if we don't have stuff locally
if (defined $httpmirror) {
open(HTTPDIR, "wget -q -O- $httpmirror/dists/$codename/$component |")
or die "Failed to get directory listing of $httpmirror/dists/$codename/$component: $!\n";
while(my $entry = <HTTPDIR>) {
$entry =~ />binary-([-a-z0-9]*)\/</ and $1 !~ /all/ and $found_arches{$1} = 1;
}
close HTTPDIR;
}
}
}
if ($found_arches{"i386"}) {
push @ARCHES, 'i386';
}
@ -55,7 +81,9 @@ if (!@ARCHES) {
push @ARCHES, 'amd64';
}
for my $arch (sort keys %found_arches) {
if ($arch !~ /^i386$/ and $arch !~ /^amd64$/) {
push @ARCHES, $arch;
}
}
}
@ -74,6 +102,8 @@ sub grab_bin_info {
if ( $component eq 'local' and $ENV{LOCALDEBS} ) {
$pgz = "$ENV{LOCALDEBS}/dists/$codename/local/binary-$arch/Packages.gz";
}
system("grab_file", "dists/$codename/$component/binary-$arch/Packages.gz");
if (-e $pgz) {
open(PFILE, "zcat $pgz |") or
die "Failed to read Packages file $pgz";
@ -104,6 +134,7 @@ sub grab_src_info {
for my $component ( @components ) {
my $pgz = "$pth/$component/source/Sources.gz";
system("grab_file", "dists/$codename/$component/source/Sources.gz");
if (-e $pgz) {
open(PFILE, "zcat $pgz |") or
die "Failed to read Sources file $pgz";