maurice/snix
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

* Prebuilt package sharing. We allow transparent binary deployment by

Browse source 
sharing package directories (i.e., the result of building a Nix
  descriptor).

  `nix-pull-prebuilts' obtains a list of all known prebuilts by
  consulting the paths and URLs specified in
  $prefix/etc/nix/prebuilts.conf.  The mappings ($pkghash,
  $prebuilthash) and ($prebuilthash, $location) are registered with
  Nix so that it can use the prebuilt with hash $prebuilthash when
  installing a package with hash $pkghash by downloading and unpacking
  $location.

  `nix-push-prebuilts' creates prebuilts for all packages for which no
  prebuilt is known to exist.  It can then optionally upload these
  to the network through rsync.

  `nix-[pull|push]-prebuilts' just provide a policy.  Nix provides the
  mechanism through the `nix [export|regprebuilt|regurl]' commands.
This commit is contained in:
Eelco Dolstra 2003-05-25 22:42:19 +00:00
parent 0ef4b6d0f8
commit 7dd91d3779
9 changed files with 230 additions and 79 deletions
Download patch file Download diff file Expand all files Collapse all files

40
scripts/nix-push-prebuilts Executable file
View file

@ -0,0 +1,40 @@
#! /usr/bin/perl -w
my $prefix = $ENV{"NIX"} || "/nix"; # !!! use prefix
my $etcdir = "$prefix/etc/nix";
my $exportdir = "$prefix/var/nix/prebuilts/exports";
my $knowns = "$prefix/var/nix/known-prebuilts";
# For performance, put the known hashes in an associative array.
my %knowns = ();
open KNOWNS, "<$knowns";
while (<KNOWNS>) {
next unless /([0-9a-z]{32})/;
$knowns{$1} = 1;
}
close KNOWNS;
# For each installed package, check whether a prebuilt is known.
open PKGS, "nix listinst|";
open KNOWNS, ">>$knowns";
while (<PKGS>) {
chomp;
next unless /([0-9a-z]{32})/;
my $pkghash = $1;
if (!defined $knowns{$1}) {
# No known prebuilt exists for this package; so export it.
print "exporting $pkghash...\n";
system "nix export '$exportdir' $pkghash";
if ($?) { die "`nix export' failed"; }
print KNOWNS "$pkghash\n";
}
}
close KNOWNS;
close PKGS;
# Push the prebuilts to the server. !!! FIXME
system "rsync -av -e ssh '$exportdir' losser:/home/eelco/public_html/nix-prebuilts/";