diff options
Diffstat (limited to 'lib/default.nix')
-rw-r--r-- | lib/default.nix | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/lib/default.nix b/lib/default.nix deleted file mode 100644 index dfa9fb17..00000000 --- a/lib/default.nix +++ /dev/null @@ -1,42 +0,0 @@ -{}: let - # string -> string -> string - colorize = color: string: "[${color}m${string}[0m"; - - # Taken from `nixpkgs/lib`. - # Is here to avoid a dependency on `lib` (making this file easy to test with `nix eval`) - warn = - # Since Nix 2.23, https://github.com/NixOS/nix/pull/10592 - builtins.warn - or ( - # Do not eta reduce v, so that we have the same strictness as `builtins.warn`. - msg: v: - # `builtins.warn` requires a string message, so we enforce that in our implementation, so that callers aren't accidentally incompatible with newer Nix versions. - assert builtins.isString msg; - builtins.trace "${colorize "1;35" "evaluation warning:"} ${msg}" v - ); -in { - mkByName = import ./by-name-overlay.nix {inherit warn;}; - - # Only merge two attrsets if the RHS does not share names with the LHS. - # # Example: - # ```nix - # let - # attr1 = {atuin = "first"; default = "second";}; - # attr2 = {atuin = "hi"; other = "hi2";}; - # in - # maybeMerge attr1 attr2 "Failed to merge" - # ``` - # # Type: - # {} -> {} -> string -> {} - maybeMerge = lhs: rhs: sourceSet: let - overridden = builtins.intersectAttrs lhs rhs; - merged = lhs // rhs; - mkWarning = overriddenAttrs: - builtins.concatStringsSep " " (builtins.map (colorize "1;97") (builtins.attrNames overriddenAttrs)); - in - if overridden != {} - then - warn "Attributes overridden while merging ${sourceSet}: ${mkWarning overridden}" - merged - else merged; -} |