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Merged R8636

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This commit is contained in:
Wouter den Breejen 2007-10-08 10:20:43 +00:00
parent 8e9c7d9338
commit 854e155b2c
8 changed files with 97 additions and 33 deletions
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17
scripts/nix-channel.in
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@ -89,21 +89,22 @@ sub update {
# Create a Nix expression that fetches and unpacks the channel Nix
# expressions.
my $nixExpr = "[";
my $inputs = "[";
foreach my $url (@channels) {
$url =~ /\/([^\/]+)\/?$/;
my $channelName = $1;
$channelName = "unnamed" unless defined $channelName;
print "$channelName\n";
my $fullURL = "$url/nixexprs.tar.bz2";
print "downloading Nix expressions from `$fullURL'...\n";
$ENV{"PRINT_PATH"} = 1;
my ($hash, $path) = `@bindir@/nix-prefetch-url '$fullURL' 2> /dev/null`;
die "cannot fetch `$fullURL'" if $? != 0;
chomp $path;
$nixExpr .= $path . " ";
$inputs .= '"' . $channelName . '"' . " " . $path . " ";
}
$nixExpr .= "]";
$nixExpr =
"(import @datadir@/nix/corepkgs/channels/unpack.nix) " .
"{inputs = $nixExpr; system = \"@system@\";}";
$inputs .= "]";
# Figure out a name for the GC root.
my $userName = getpwuid($<);
@ -113,7 +114,7 @@ sub update {
# Instantiate the Nix expression.
print "unpacking channel Nix expressions...\n";
my $storeExpr = `echo '$nixExpr' | @bindir@/nix-instantiate --add-root '$rootFile'.tmp -`
my $storeExpr = `@bindir@/nix-instantiate --add-root '$rootFile'.tmp @datadir@/nix/corepkgs/channels/unpack.nix --argstr system @system@ --arg inputs '$inputs'`
or die "cannot instantiate Nix expression";
chomp $storeExpr;