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If the (redirected) channel URL contains a version number, use it

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This commit is contained in:
Eelco Dolstra 2012-04-14 21:05:28 +02:00
parent 1d0bafb74d
commit 0b5107c016
3 changed files with 10 additions and 4 deletions
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4
corepkgs/unpack-channel.nix
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@ -1,11 +1,11 @@
with import <nix/config.nix>;
{ name, src }:
{ name, channelName, src }:
derivation {
system = builtins.currentSystem;
builder = shell;
args = [ "-e" ./unpack-channel.sh ];
inherit name src bzip2 tar tr;
inherit name channelName src bzip2 tar tr;
PATH = "${nixBinDir}:${coreutils}";
}

2
corepkgs/unpack-channel.sh
View file

@ -1,4 +1,4 @@
mkdir $out
cd $out
$bzip2 -d < $src | $tar xf -
mv * $out/$name
mv * $out/$channelName

8
scripts/nix-channel.in
View file

@ -108,7 +108,13 @@ sub update {
die "cannot fetch `$fullURL'" if $? != 0;
chomp $path;
$exprs .= "'f: f { name = \"$name\"; src = builtins.storePath \"$path\"; }' ";
# If the URL contains a version number, append it to the name
# attribute (so that "nix-env -q" on the channels profile
# shows something useful).
my $cname = $name;
$cname .= $1 if basename($url) =~ /(-\d.*)$/;
$exprs .= "'f: f { name = \"$cname\"; channelName = \"$name\"; src = builtins.storePath \"$path\"; }' ";
}
# Unpack the channel tarballs into the Nix store and install them