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Turn flake inputs into an attrset

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Instead of a list, inputs are now an attrset like

  inputs = {
    nixpkgs.uri = github:NixOS/nixpkgs;
  };

If 'uri' is omitted, than the flake is a lookup in the flake registry, e.g.

  inputs = {
    nixpkgs = {};
  };

but in that case, you can also just omit the input altogether and
specify it as an argument to the 'outputs' function, as in

  outputs = { self, nixpkgs }: ...

This also gets rid of 'nonFlakeInputs', which are now just a special
kind of input that have a 'flake = false' attribute, e.g.

  inputs = {
    someRepo = {
      uri = github:example/repo;
      flake = false;
    };
  };
This commit is contained in:
Eelco Dolstra 2019-08-30 16:27:51 +02:00
parent 0588d72286
commit 30ccf4e52d
7 changed files with 136 additions and 220 deletions
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26
tests/flakes.sh
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@ -240,10 +240,13 @@ cat > $flake3Dir/flake.nix <<EOF
edition = 201909;
inputs = [ "flake1" "flake2" ];
nonFlakeInputs = {
nonFlake = "$nonFlakeDir";
inputs = {
flake1 = {};
flake2 = {};
nonFlake = {
uri = "$nonFlakeDir";
flake = false;
};
};
description = "Fnord";
@ -306,23 +309,24 @@ cat > $flake3Dir/flake.nix <<EOF
edition = 201909;
inputs = [ "flake1" "flake2" ];
nonFlakeInputs = {
nonFlake = "$nonFlakeDir";
inputs = {
nonFlake = {
uri = "$nonFlakeDir";
flake = false;
};
};
description = "Fnord";
outputs = inputs: rec {
packages.sth = inputs.flake1.packages.foo;
outputs = { self, flake1, flake2, nonFlake }: rec {
packages.sth = flake1.packages.foo;
packages.fnord =
with import ./config.nix;
mkDerivation {
inherit system;
name = "fnord";
buildCommand = ''
cat \${inputs.nonFlake}/README.md > \$out
cat \${nonFlake}/README.md > \$out
'';
};
};