maurice/snix
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* Changed nix-pull to match nix-push.

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This commit is contained in:
Eelco Dolstra 2003-07-21 22:05:19 +00:00
parent c7bdb76fe4
commit d84931ee56
2 changed files with 16 additions and 15 deletions
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29
scripts/nix-pull.in
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@ -28,21 +28,22 @@ while (<CONFFILE>) {
my $fn = $1;
next if $fn =~ /\.\./;
next if $fn =~ /\//;
next unless $fn =~ /-([0-9a-z]{32})(-s-([0-9a-z]{32}))?\.nar.bz2$/;
next unless $fn =~ /^([0-9a-z]{32})-([0-9a-z]{32})(-s-([0-9a-z]{32}))?.*\.nar\.bz2$/;
my $hash = $1;
my $fshash = $3;
my $id = $2;
my $fsid = $4;
print "registering $hash -> $url/$fn\n";
print "registering $id -> $url/$fn\n";
# Construct a Fix expression that fetches and unpacks a
# Nix archive from the network.
my $fetch =
"App(IncludeFix(\"fetchurl/fetchurl.fix\"), " .
"[(\"url\", \"$url/$fn\"), (\"md5\", \"ignore\")])";
"[(\"url\", \"$url/$fn\"), (\"md5\", \"$hash\")])";
my $fixexpr =
"App(IncludeFix(\"nar/unnar.fix\"), " .
"[ (\"nar\", $fetch)" .
", (\"name\", \"fetched-$hash\")" .
", (\"name\", \"fetched-$id\")" .
"])";
my $fixfile = "/tmp/nix-pull-tmp.fix";
@ -51,19 +52,19 @@ while (<CONFFILE>) {
close FIX;
# Instantiate a Nix expression from the Fix expression.
my $nhash = `fix $fixfile`;
my $nid = `fix $fixfile`;
$? and die "instantiating Nix archive expression";
chomp $nhash;
die unless $nhash =~ /^([0-9a-z]{32})$/;
chomp $nid;
die unless $nid =~ /^([0-9a-z]{32})$/;
push @subs, $hash;
push @subs, $nhash;
push @subs, $id;
push @subs, $nid;
# Does the name encode a successor relation?
if (defined $fshash) {
print "NORMAL $fshash -> $hash\n";
push @sucs, $fshash;
push @sucs, $hash;
if (defined $fsid) {
print "NORMAL $fsid -> $id\n";
push @sucs, $fsid;
push @sucs, $id;
}
}