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mkFlake: Prefer unsafeGetAttrPos over self.outPath for error message

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This would not be advisable for anything other than error messages,
because Nix does not commit to any semantics for that function.
This commit is contained in:
Robert Hensing 2023-10-13 23:02:24 +02:00
parent f359432597
commit fc74939824
1 changed files with 7 additions and 4 deletions
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11
lib.nix
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@ -121,14 +121,17 @@ let
mkFlake = args: module: mkFlake = args: module:
let let
loc = inputsPos = builtins.unsafeGetAttrPos "inputs" args;
moduleLocation =
args.moduleLocation or ( args.moduleLocation or (
if args?inputs.self.outPath if inputsPos != null
then inputsPos.file
else if args?inputs.self.outPath
then args.inputs.self.outPath + "/flake.nix" then args.inputs.self.outPath + "/flake.nix"
else "<mkFlake argument>" else "<mkFlake argument>"
); );
mod = lib.setDefaultModuleLocation loc module; mod = lib.setDefaultModuleLocation moduleLocation module;
eval = flake-parts-lib.evalFlakeModule args mod; eval = flake-parts-lib.evalFlakeModule (args // { inherit moduleLocation; }) mod;
in in
eval.config.flake; eval.config.flake;