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feat: add environment variables and prompt customization in login shells

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This way, we can configure a bit our prompt.

Signed-off-by: Raito Bezarius <masterancpp@gmail.com>
This commit is contained in:
Raito Bezarius 2024-09-17 16:35:33 +02:00 committed by Ryan Lahfa
parent dbe6b1b135
commit 562b050341
1 changed files with 26 additions and 3 deletions
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29
modules/base.nix
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@ -4,11 +4,13 @@
{ lib, pkgs, config, ...}:
let
inherit (lib) mkEnableOption mkOption types isDerivation hasAttr ;
inherit (lib) mkEnableOption mkOption types isDerivation hasAttr concatStringsSep;
inherit (pkgs.pseudofile) dir symlink;
inherit (pkgs.liminix.networking) address interface;
inherit (pkgs.liminix.services) bundle;
# TODO: escape shell argument.
exportVar = name: value: "export ${name}=\"${value}\"";
type_service = pkgs.liminix.lib.types.service;
in {
@ -22,6 +24,24 @@ in {
/run/current-system, we just add the paths in /etc/profile
'';
};
environmentVariables = mkOption {
type = types.attrsOf types.str;
description = ''
Attribute set of environment variables to make available
in a login shell.
The value is assumed to be escaped and the name to be valid.
'';
};
prompt = mkOption {
type = types.str;
default = "$(whoami)@$(hostname) # ";
description = ''
Prompt string (PS1) for the shell.
'';
};
};
services = mkOption {
type = types.attrsOf type_service;
@ -111,6 +131,8 @@ in {
defaultProfile.packages = with pkgs;
[ s6 s6-init-bin execline s6-linux-init s6-rc ];
# Set the useful PS1 prompt by default.
defaultProfile.environmentVariables.PS1 = lib.mkDefault config.defaultProfile.prompt;
boot.commandLine = [
"panic=10 oops=panic init=/bin/init loglevel=8"
@ -181,9 +203,10 @@ in {
etc = let
profile = symlink
(pkgs.writeScript ".profile" ''
PATH=${lib.makeBinPath config.defaultProfile.packages}:/bin
PATH=${lib.makeBinPath config.defaultProfile.packages}:/bin
export PATH
'');
${concatStringsSep "\n" (map exportVar config.defaultProfile.environmentVariables)}
'');
in dir {
inherit profile;
ashrc = profile;