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https://github.com/LnL7/nix-darwin.git
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676ef10377
This should enable `nix run` to work under shells like fish and zsh, as well as making child shells not needlessly reset any environment that should be inherited. Implementation adapted from NixOS.
102 lines
2.7 KiB
Nix
102 lines
2.7 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.programs.bash;
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in
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{
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options = {
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programs.bash.enable = mkOption {
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type = types.bool;
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default = true;
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description = "Whether to configure bash as an interactive shell.";
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};
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programs.bash.interactiveShellInit = mkOption {
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default = "";
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description = "Shell script code called during interactive bash shell initialisation.";
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type = types.lines;
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};
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programs.bash.enableCompletion = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Enable bash completion for all interactive bash shells.
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NOTE. This doesn't work with bash 3.2, which is the default on macOS.
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'';
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};
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};
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config = mkIf cfg.enable {
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environment.systemPackages =
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[ # Include bash package
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pkgs.bashInteractive
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] ++ optional cfg.enableCompletion pkgs.bash-completion;
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environment.pathsToLink =
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[ "/etc/bash_completion.d"
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"/share/bash-completion/completions"
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];
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environment.loginShell = mkDefault "bash -l";
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environment.variables.SHELL = mkDefault "${pkgs.bashInteractive}/bin/bash";
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environment.etc."bashrc".text = ''
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# /etc/bashrc: DO NOT EDIT -- this file has been generated automatically.
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# This file is read for interactive shells.
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[ -r "/etc/bashrc_$TERM_PROGRAM" ] && . "/etc/bashrc_$TERM_PROGRAM"
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# Only execute this file once per shell.
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if [ -n "$__ETC_BASHRC_SOURCED" -o -n "$NOSYSBASHRC" ]; then return; fi
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__ETC_BASHRC_SOURCED=1
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# Don't execute this file when running in a pure nix-shell.
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if test -n "$IN_NIX_SHELL"; then return; fi
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if [ -z "$__NIX_DARWIN_SET_ENVIRONMENT_DONE" ]; then
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. ${config.system.build.setEnvironment}
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fi
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# Return early if not running interactively, but after basic nix setup.
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[[ $- != *i* ]] && return
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# Make bash check its window size after a process completes
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shopt -s checkwinsize
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${config.system.build.setAliases.text}
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${config.environment.interactiveShellInit}
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${cfg.interactiveShellInit}
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${optionalString cfg.enableCompletion ''
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if [ "$TERM" != "dumb" ]; then
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source "${pkgs.bash-completion}/etc/profile.d/bash_completion.sh"
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nullglobStatus=$(shopt -p nullglob)
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shopt -s nullglob
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for p in $NIX_PROFILES; do
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for m in "$p/etc/bash_completion.d/"* "$p/share/bash-completion/completions/"*; do
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source $m
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done
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done
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eval "$nullglobStatus"
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unset nullglobStatus p m
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fi
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''}
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# Read system-wide modifications.
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if test -f /etc/bash.local; then
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source /etc/bash.local
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fi
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'';
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};
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}
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