nixpkgs/pkgs/shells/fish/wrapper.nix
pacien c6efc0b255 wrapFish: fix singleton expansion in shell init
This fixes the expansion of the configuration path in the pathological
case of a singleton, which would otherwise be used verbatim with the
surrounding braces for lookup.

GitHub: see https://github.com/NixOS/nixpkgs/pull/108491#pullrequestreview-590072603
2021-02-16 11:01:43 -08:00

26 lines
760 B
Nix

{ lib, writeShellScriptBin, fish }:
with lib;
makeOverridable ({
completionDirs ? [],
functionDirs ? [],
confDirs ? [],
pluginPkgs ? []
}:
let
vendorDir = kind: plugin: "${plugin}/share/fish/vendor_${kind}.d";
complPath = completionDirs ++ map (vendorDir "completions") pluginPkgs;
funcPath = functionDirs ++ map (vendorDir "functions") pluginPkgs;
confPath = confDirs ++ map (vendorDir "conf") pluginPkgs;
in writeShellScriptBin "fish" ''
${fish}/bin/fish --init-command "
set --prepend fish_complete_path ${escapeShellArgs complPath}
set --prepend fish_function_path ${escapeShellArgs funcPath}
set --local fish_conf_source_path ${escapeShellArgs confPath}
for c in $fish_conf_source_path/*; source $c; end
" "$@"
'')