105 lines
2.8 KiB
Nix
105 lines
2.8 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/"*; do
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source $m
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done
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for m in "$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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