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Delete manifests in "nix-channel --remove" or when a binary cache is available

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This commit is contained in:
Eelco Dolstra 2012-09-13 11:35:46 -04:00
parent 6c4ac29917
commit b14717ab90
4 changed files with 47 additions and 35 deletions
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20
perl/lib/Nix/Manifest.pm
View file

@ -9,7 +9,7 @@ use Fcntl ':flock';
use Nix::Config;
our @ISA = qw(Exporter);
our @EXPORT = qw(readManifest writeManifest updateManifestDB addPatch);
our @EXPORT = qw(readManifest writeManifest updateManifestDB addPatch deleteOldManifests);
sub addNAR {
@ -364,4 +364,22 @@ EOF
}
# Delete all old manifests downloaded from a given URL.
sub deleteOldManifests {
my ($url, $curUrlFile) = @_;
for my $urlFile (glob "$Nix::Config::manifestDir/*.url") {
next if defined $curUrlFile && $urlFile eq $curUrlFile;
open URL, "<$urlFile" or die;
my $url2 = <URL>;
chomp $url2;
close URL;
next unless $url eq $url2;
my $base = $urlFile; $base =~ s/.url$//;
unlink "${base}.url";
unlink "${base}.nixmanifest";
}
}
return 1;

1
scripts/download-from-binary-cache.pl.in
View file

@ -20,6 +20,7 @@ my $maxParallelRequests = int($Nix::Config::config{"binary-caches-parallel-conne
$maxParallelRequests = 1 if $maxParallelRequests < 1;
my $debug = ($ENV{"NIX_DEBUG_SUBST"} // "") eq 1;
open(STDERR, ">>/dev/tty") if $debug;
my ($dbh, $queryCache, $insertNAR, $queryNAR, $insertNARExistence, $queryNARExistence);

4
scripts/nix-channel.in
View file

@ -4,6 +4,7 @@ use strict;
use File::Basename;
use File::Path qw(mkpath);
use Nix::Config;
use Nix::Manifest;
my $manifestDir = $Nix::Config::manifestDir;
@ -65,6 +66,8 @@ sub addChannel {
sub removeChannel {
my ($name) = @_;
readChannels;
my $url = $channels{$name};
deleteOldManifests($url . "/MANIFEST", undef) if defined $url;
delete $channels{$name};
writeChannels;
@ -101,6 +104,7 @@ sub update {
my $extraAttrs = "";
if ($? == 0 && $binaryCacheURL ne "") {
$extraAttrs .= "binaryCacheURL = \"$binaryCacheURL\"; ";
deleteOldManifests($origUrl, undef);
} else {
# No binary cache, so pull the channel manifest.
mkdir $manifestDir, 0755 unless -e $manifestDir;

13
scripts/nix-pull.in
View file

@ -84,18 +84,7 @@ sub processURL {
symlink("$manifest", "$finalPath")
or die "cannot link `$finalPath to `$manifest'";
# Delete all old manifests downloaded from this URL.
for my $urlFile2 (glob "$manifestDir/*.url") {
next if $urlFile eq $urlFile2;
open URL, "<$urlFile2" or die;
my $url2 = <URL>;
chomp $url2;
close URL;
next unless $origUrl eq $url2;
my $base = $urlFile2; $base =~ s/.url$//;
unlink "${base}.url";
unlink "${base}.nixmanifest";
}
deleteOldManifests($origUrl, $urlFile);
}
while (@ARGV) {