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* nix-pull: update the Nix manifest cache if necessary. Also, don't

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read the manifest just to check the version and print the number of
  paths.  This makes nix-pull very fast for the cached cache (speeding
  up nixos-rebuild without the ‘--no-pull’ or ‘--fast’ options).
This commit is contained in:
Eelco Dolstra 2011-11-16 16:41:48 +00:00
parent d7d7910ba4
commit f8e609c341
2 changed files with 7 additions and 25 deletions
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8
perl/lib/Nix/Manifest.pm
View file

@ -305,8 +305,8 @@ EOF
# unless we've already done so on a previous run.
my %seen;
for my $manifest (glob "$manifestDir/*.nixmanifest") {
$manifest = Cwd::abs_path($manifest);
for my $manifestLink (glob "$manifestDir/*.nixmanifest") {
my $manifest = Cwd::abs_path($manifestLink);
my $timestamp = lstat($manifest)->mtime;
$seen{$manifest} = 1;
@ -342,10 +342,10 @@ EOF
my $version = readManifest_($manifest, \&addNARToDB, \&addPatchToDB);
if ($version < 3) {
die "you have an old-style manifest `$manifest'; please delete it";
die "you have an old-style or corrupt manifest `$manifestLink'; please delete it";
}
if ($version >= 10) {
die "manifest `$manifest' is too new; please delete it or upgrade Nix";
die "manifest `$manifestLink' is too new; please delete it or upgrade Nix";
}
}