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authorBenedikt Peetz <benedikt.peetz@b-peetz.de>2024-12-20 17:50:16 +0100
committerBenedikt Peetz <benedikt.peetz@b-peetz.de>2024-12-20 17:50:16 +0100
commit0ac11166a8fb22d1ce4de111f46e8a3ba1de7663 (patch)
tree25187cbc4273c69ca553dc0450b69fdfb9bea19a /lib/default.nix
parentfix(modules/lf): Always retry connecting to the server (diff)
downloadnixos-config-0ac11166a8fb22d1ce4de111f46e8a3ba1de7663.zip
refactor(lib): Upstream `lib` to vhack.eu
This allows to share it with the server config.
Diffstat (limited to 'lib/default.nix')
-rw-r--r--lib/default.nix42
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}";
-
- # 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;
-}