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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.bash;
in
{
meta.maintainers = [ maintainers.rycee ];
options = {
programs.bash = {
enable = mkEnableOption "GNU Bourne-Again SHell";
historySize = mkOption {
type = types.int;
default = 10000;
description = "Number of history lines to keep in memory.";
};
historyFile = mkOption {
type = types.str;
default = "$HOME/.bash_history";
description = "Location of the bash history file.";
};
historyFileSize = mkOption {
type = types.int;
default = 100000;
description = "Number of history lines to keep on file.";
};
historyControl = mkOption {
type = types.listOf (types.enum [
"erasedups"
"ignoredups"
"ignorespace"
]);
default = [];
description = "Controlling how commands are saved on the history list.";
};
historyIgnore = mkOption {
type = types.listOf types.str;
default = [];
example = [ "ls" "cd" "exit" ];
description = "List of commands that should not be saved to the history list.";
};
shellOptions = mkOption {
type = types.listOf types.str;
default = [
# Append to history file rather than replacing it.
"histappend"
# check the window size after each command and, if
# necessary, update the values of LINES and COLUMNS.
"checkwinsize"
# Extended globbing.
"extglob"
"globstar"
# Warn if closing shell with running jobs.
"checkjobs"
];
description = "Shell options to set.";
};
sessionVariables = mkOption {
default = {};
type = types.attrs;
example = { MAILCHECK = 30; };
description = ''
Environment variables that will be set for the Bash session.
'';
};
shellAliases = mkOption {
default = {};
type = types.attrsOf types.str;
example = literalExample ''
{
ll = "ls -l";
".." = "cd ..";
}
'';
description = ''
An attribute set that maps aliases (the top level attribute names in
this option) to command strings or directly to build outputs.
'';
};
enableAutojump = mkOption {
default = false;
type = types.bool;
description = "Enable the autojump navigation tool.";
};
profileExtra = mkOption {
default = "";
type = types.lines;
description = ''
Extra commands that should be run when initializing a login
shell.
'';
};
bashrcExtra = mkOption {
# Hide for now, may want to rename in the future.
visible = false;
default = "";
type = types.lines;
description = ''
Extra commands that should be added to
<filename>~/.bashrc</filename>.
'';
};
initExtra = mkOption {
default = "";
type = types.lines;
description = ''
Extra commands that should be run when initializing an
interactive shell.
'';
};
logoutExtra = mkOption {
default = "";
type = types.lines;
description = ''
Extra commands that should be run when logging out of an
interactive shell.
'';
};
};
};
config = (
let
aliasesStr = concatStringsSep "\n" (
mapAttrsToList (k: v: "alias ${k}=${escapeShellArg v}") cfg.shellAliases
);
shoptsStr = concatStringsSep "\n" (
map (v: "shopt -s ${v}") cfg.shellOptions
);
sessionVarsStr = config.lib.shell.exportAll cfg.sessionVariables;
historyControlStr =
concatStringsSep "\n" (mapAttrsToList (n: v: "${n}=${v}") (
{
HISTFILE = "\"${cfg.historyFile}\"";
HISTFILESIZE = toString cfg.historyFileSize;
HISTSIZE = toString cfg.historySize;
}
// optionalAttrs (cfg.historyControl != []) {
HISTCONTROL = concatStringsSep ":" cfg.historyControl;
}
// optionalAttrs (cfg.historyIgnore != []) {
HISTIGNORE = concatStringsSep ":" cfg.historyIgnore;
}
));
in mkIf cfg.enable {
programs.bash.bashrcExtra = ''
# Commands that should be applied only for interactive shells.
if [[ $- == *i* ]]; then
${historyControlStr}
${shoptsStr}
${aliasesStr}
${optionalString cfg.enableAutojump
". ${pkgs.autojump}/share/autojump/autojump.bash"}
${cfg.initExtra}
fi
'';
home.file.".bash_profile".text = ''
# -*- mode: sh -*-
# include .profile if it exists
[[ -f ~/.profile ]] && . ~/.profile
# include .bashrc if it exists
[[ -f ~/.bashrc ]] && . ~/.bashrc
'';
home.file.".profile".text = ''
# -*- mode: sh -*-
. "${config.home.profileDirectory}/etc/profile.d/hm-session-vars.sh"
${sessionVarsStr}
${cfg.profileExtra}
'';
home.file.".bashrc".text = ''
# -*- mode: sh -*-
${cfg.bashrcExtra}
'';
home.file.".bash_logout" = mkIf (cfg.logoutExtra != "") {
text = ''
# -*- mode: sh -*-
${cfg.logoutExtra}
'';
};
home.packages =
optional (cfg.enableAutojump) pkgs.autojump;
}
);
}
|
