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Support devShells and overriding default devShell

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This commit is contained in:
Archit Gupta 2023-04-15 01:29:54 -07:00
parent b2721d44d5
commit b2d353f042
1 changed files with 13 additions and 7 deletions
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20
default.nix
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@ -56,13 +56,17 @@ let
mkFunc = v: if isFunction v then v else _: v; mkFunc = v: if isFunction v then v else _: v;
mergeListFns = f1: f2: args: (f1 args) ++ (f2 args);
mergeAttrFns = f1: f2: args: (f1 args) // (f2 args);
params = exports // { inherit src inputs root'; }; params = exports // { inherit src inputs root'; };
applyParams = v: mkFunc v params; applyParams = v: mkFunc v params;
defaultModule = { moduleDefaults = {
withOverlays = [ ]; withOverlays = [ ];
packages = { }; packages = { };
devTools = _: [ ]; devTools = _: [ ];
devShells = _: { };
env = _: { }; env = _: { };
overlays = { }; overlays = { };
apps = _: { }; apps = _: { };
@ -75,7 +79,7 @@ let
normalizeModule = module: normalizeModule = module:
let let
module' = defaultModule // module; module' = moduleDefaults // module;
in in
module' // { module' // {
withOverlays = (applyParams module'.withOverlays) withOverlays = (applyParams module'.withOverlays)
@ -85,6 +89,10 @@ let
default = module'.package; default = module'.package;
}; };
devTools = mkFunc module'.devTools; devTools = mkFunc module'.devTools;
devShells = mergeAttrFns (mkFunc module'.devShells)
(_: optionalAttrs (module' ? devShell) {
default = module'.devShell;
});
env = mkFunc module'.env; env = mkFunc module'.env;
overlays = (applyParams module'.overlays) overlays = (applyParams module'.overlays)
// optionalAttrs (module' ? overlay) { // optionalAttrs (module' ? overlay) {
@ -104,13 +112,11 @@ let
outputs = applyParams root.outputs or { }; outputs = applyParams root.outputs or { };
}; };
mergeListFns = f1: f2: args: (f1 args) ++ (f2 args);
mergeAttrFns = f1: f2: args: (f1 args) // (f2 args);
mergeModules = m1: m2: { mergeModules = m1: m2: {
withOverlays = m1.withOverlays ++ m2.withOverlays; withOverlays = m1.withOverlays ++ m2.withOverlays;
packages = m1.packages // m2.packages; packages = m1.packages // m2.packages;
devTools = mergeListFns m1.devTools m2.devTools; devTools = mergeListFns m1.devTools m2.devTools;
devShells = mergeAttrFns m1.devShells m2.devShells;
env = mergeAttrFns m1.env m2.env; env = mergeAttrFns m1.env m2.env;
overlays = zipAttrsWith (_: composeManyExtensions) overlays = zipAttrsWith (_: composeManyExtensions)
[ m1.overlays m2.overlays ]; [ m1.overlays m2.overlays ];
@ -122,7 +128,7 @@ let
formatters = mergeAttrFns m1.formatters m2.formatters; formatters = mergeAttrFns m1.formatters m2.formatters;
}; };
merged = foldl mergeModules defaultModule merged = foldl mergeModules moduleDefaults
((map (m: normalizeModule (m src inputs root')) ((map (m: normalizeModule (m src inputs root'))
([ baseModule ] ++ modules)) ++ [ root' ]); ([ baseModule ] ++ modules)) ++ [ root' ]);
@ -265,7 +271,7 @@ let
prev.packages.${system}.default; prev.packages.${system}.default;
packages = merged.devTools pkgs; packages = merged.devTools pkgs;
}); });
})) } // (genPackages pkgs (merged.devShells pkgs))))
(eachSystem root'.perSystem) (eachSystem root'.perSystem)