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mkPackages: automagically wrapping with hello as a test package

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Gerg-L 2024-07-09 12:02:04 -04:00
parent cbbf862d6b
commit 98c4d12843
Signed by: gerg-l
SSH key fingerprint: SHA256:FPYDHIkvMocr4wdmZXpgpJjsb2Tw6rASs2ISPbOb0KI
4 changed files with 94 additions and 18 deletions
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69
lib/default.nix
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@ -204,39 +204,72 @@ rec {
/<name> -> packages named by directory
/<name>/call.nix -> callPackage override imported via import <file> pkgs
call.nix example
pkgs: {
inherit (pkgs.python3Packages) callPackage;
{python3Packages}: {
inherit (python3Packages) callPackage;
args = {};
}
/<name>/package.nix -> the package itself
/<name>/wrapper.nix:
a optional wrapper for the package
which is callPackage'd with the original package
as an argument named <name>-unwrapped
*/
mkPackages =
path: pkgs:
lib.pipe path [
builtins.readDir
(lib.filterAttrs (_: v: v == "directory"))
(lib.mapAttrs (
n: _:
builtins.attrNames
(map (
n:
let
callPackage = lib.callPackageWith (
pkgs
// {
inputs = constructInputs' pkgs.system inputs;
# maybe add self?
# inherit self;
# npins sources if i need them
# sources = import ./npins;
}
);
p = "${path}/${n}";
callPackage =
file: args:
let
defaultArgs =
pkgs
// (
let
inputs' = constructInputs' pkgs.stdenv.system inputs;
in
{
inherit inputs' inputs;
self' = inputs'.self;
inherit (inputs) self;
# npins sources if i ever use them
# sources = lib.mapAttrs (_: pkgs.npins.mkSource) (lib.importJSON "${self}/packages/sources.json").pins;
}
);
_callPackage = lib.callPackageWith defaultArgs;
fullPath = "${p}/${file}.nix";
callPath = "${p}/call.nix";
in
assert lib.assertMsg (builtins.pathExists fullPath)
"File attempting to be callPackage'd '${fullPath}' does not exist";
if builtins.pathExists callPath then
let
x = _callPackage callPath { };
in
x.callPackage or _callPackage fullPath (x.args or defaultArgs // args)
else
_callPackage fullPath args;
in
if builtins.pathExists "${path}/${n}/call.nix" then
if builtins.pathExists "${p}/wrapper.nix" then
# My distaste for rec grows ever stronger
let
x = import "${path}/${n}/call.nix" pkgs;
set."${n}-unwrapped" = callPackage "package" { };
in
x.callPackage "${path}/${n}/package.nix" x.args
{ ${n} = callPackage "wrapper" set; } // set
else
callPackage "${path}/${n}/package.nix" { }
{ ${n} = callPackage "package" { }; }
))
lib.mergeAttrsList
];
}