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Add shellHook attr to configure default devShell

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This commit is contained in:
Archit Gupta 2023-04-16 11:20:28 -07:00
parent 7509ce4110
commit 03cdbbabdf
1 changed files with 19 additions and 6 deletions
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25
default.nix
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@ -6,11 +6,11 @@ localInputs:
let
inherit (builtins) intersectAttrs isPath readDir;
inherit (localInputs.nixpkgs.lib) attrNames attrVals callPackageWith
composeManyExtensions concat filter filterAttrs foldAttrs foldl functionArgs
genAttrs hasSuffix isFunction isList isString listToAttrs mapAttrs
mapAttrsToList mapAttrs' mergeAttrs nameValuePair optional optionalAttrs
optionalString parseDrvName pathExists pipe recursiveUpdate removePrefix
removeSuffix zipAttrsWith;
composeManyExtensions concat concatStringsSep filter filterAttrs foldAttrs
foldl functionArgs genAttrs hasSuffix isFunction isList isString listToAttrs
mapAttrs mapAttrsToList mapAttrs' mergeAttrs nameValuePair optional
optionalAttrs optionalString parseDrvName pathExists pipe recursiveUpdate
removePrefix removeSuffix zipAttrsWith;
/* Attributes in flakelite's lib output.
*/
@ -109,6 +109,7 @@ let
"package"
"packages"
"devTools"
"shellHook"
"devShell"
"devShells"
"env"
@ -155,15 +156,24 @@ let
fnConcat = liftFn2 concat;
fnMergeAttrs = liftFn2 mergeAttrs;
/* Takes a function which takes a list, and returns a binary function.
Type: mkBinary :: ([a] -> b) -> a -> a -> b
*/
mkBinary = fn: a: b: fn [ a b ];
/* Merges attrsets of overlays, combining overlays with same name.
*/
mergeOverlayAttrs = a: b: zipAttrsWith (_: composeManyExtensions) [ a b ];
mergeOverlayAttrs = mkBinary (zipAttrsWith (_: composeManyExtensions));
fnConcatScripts = liftFn2 (mkBinary (concatStringsSep "\n"));
mergeModules = a: b: mapAttrs (n: v: v a.${n} b.${n}) {
inputs = mergeAttrs;
withOverlays = concat;
packages = mergeAttrs;
devTools = fnConcat;
shellHook = fnConcatScripts;
devShells = fnMergeAttrs;
env = fnMergeAttrs;
overlays = mergeOverlayAttrs;
@ -285,6 +295,7 @@ let
withOverlays = [ ];
packages = { };
devTools = _: [ ];
shellHook = _: "";
devShells = _: { };
env = _: { };
overlays = { };
@ -308,6 +319,7 @@ let
default = module'.package;
};
devTools = filterArgs module'.devTools;
shellHook = filterArgs module'.shellHook;
devShells = fnMergeAttrs (filterArgs module'.devShells)
(_: optionalAttrs (module' ? devShell) {
default = module'.devShell;
@ -453,6 +465,7 @@ let
inputsFrom = optional (prev ? packages.${system}.default)
prev.packages.${system}.default;
packages = merged.devTools pkgs;
shellHook = merged.shellHook pkgs;
});
} // (callPkgs pkgs (merged.devShells pkgs))))
(eachSystem root'.perSystem)