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download-from-binary-cache: add nix.conf options

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This commit is contained in:
Eelco Dolstra 2012-07-09 10:57:28 -04:00
parent 98a423b75a
commit 099125435f
3 changed files with 30 additions and 6 deletions
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20
doc/manual/conf-file.xml
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@ -288,6 +288,26 @@ build-use-chroot = /dev /proc /bin</programlisting>
</varlistentry> </varlistentry>
<varlistentry><term><literal>binary-caches</literal></term>
<listitem><para>A list of URLs of binary caches, separated by
whitespace. It can be overriden through the environment variable
<envar>NIX_BINARY_CACHES</envar>. The default is
<literal>http://nixos.org/binary-cache</literal>.</para></listitem>
</varlistentry>
<varlistentry><term><literal>binary-caches-parallel-connections</literal></term>
<listitem><para>The maximum number of parallel HTTP connections
used by the binary cache substituter to get NAR info files. This
number should be high to minimise latency. It defaults to
150.</para></listitem>
</varlistentry>
<varlistentry><term><literal>system</literal></term> <varlistentry><term><literal>system</literal></term>
<listitem><para>This option specifies the canonical Nix system <listitem><para>This option specifies the canonical Nix system

6
perl/lib/Nix/Config.pm.in
View file

@ -14,16 +14,16 @@ $curl = "@curl@";
$useBindings = "@perlbindings@" eq "yes"; $useBindings = "@perlbindings@" eq "yes";
%config = ();
sub readConfig { sub readConfig {
my %config; my $config = "$confDir/nix.conf";
my $config = "@sysconfdir@/nix/nix.conf";
return unless -f $config; return unless -f $config;
open CONFIG, "<$config" or die "cannot open `$config'"; open CONFIG, "<$config" or die "cannot open `$config'";
while (<CONFIG>) { while (<CONFIG>) {
/^\s*([\w|-]+)\s*=\s*(.*)$/ or next; /^\s*([\w|-]+)\s*=\s*(.*)$/ or next;
$config{$1} = $2; $config{$1} = $2;
print "|$1| -> |$2|\n";
} }
close CONFIG; close CONFIG;
} }

10
scripts/download-from-binary-cache.pl.in
View file

@ -10,9 +10,13 @@ use WWW::Curl::Multi;
use strict; use strict;
my @binaryCacheUrls = map { s/\/+$//; $_ } split(/ /, ($ENV{"NIX_BINARY_CACHES"} || "")); Nix::Config::readConfig;
my $maxParallelRequests = 150; my @binaryCacheUrls = map { s/\/+$//; $_ } split(/ /,
($ENV{"NIX_BINARY_CACHES"} // $Nix::Config::config{"binary-caches"} // "http://nixos.org/binary-cache"));
my $maxParallelRequests = int($Nix::Config::config{"binary-caches-parallel-connections"} // 150);
$maxParallelRequests = 1 if $maxParallelRequests < 1;
my ($dbh, $insertNAR, $queryNAR, $insertNegativeNAR, $queryNegativeNAR); my ($dbh, $insertNAR, $queryNAR, $insertNegativeNAR, $queryNegativeNAR);
my %cacheIds; my %cacheIds;
@ -22,7 +26,7 @@ my $activeRequests = 0;
my $curlIdCount = 1; my $curlIdCount = 1;
my %requests; my %requests;
my %scheduled; my %scheduled;
my $caBundle = $ENV{"CURL_CA_BUNDLE"} || $ENV{"OPENSSL_X509_CERT_FILE"}; my $caBundle = $ENV{"CURL_CA_BUNDLE"} // $ENV{"OPENSSL_X509_CERT_FILE"};
sub addRequest { sub addRequest {