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exa: add more options (#3505)

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* exa: add more options

* exa: use `escapeShellArgs`

* exa: don't hardcode executable path in aliases

Prevents aliases from going stale in open terminals when the system is updated.

* exa: use `command` for self-referential alias

Otherwise fish complains about the recursive call.

Drop the aliases from ion shell since it doesn't implement the POSIX
`command` built-in.

* exa: re-add ion aliases

* exa: drop `command`

Fish doesn't complain about recursion if `exa` isn't escaped.

---------

Co-authored-by: Naïm Favier <n@monade.li>
This commit is contained in:
Joel Höner 2023-02-28 18:24:36 +01:00 committed by GitHub
parent 305daba44a
commit 4bac341868
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 43 additions and 14 deletions
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57
modules/programs/exa.nix
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@ -2,19 +2,7 @@
with lib;
let
cfg = config.programs.exa;
aliases = {
ls = "${pkgs.exa}/bin/exa";
ll = "${pkgs.exa}/bin/exa -l";
la = "${pkgs.exa}/bin/exa -a";
lt = "${pkgs.exa}/bin/exa --tree";
lla = "${pkgs.exa}/bin/exa -la";
};
in {
{
meta.maintainers = [ hm.maintainers.kalhauge ];
options.programs.exa = {
@ -23,10 +11,51 @@ in {
enableAliases = mkEnableOption "recommended exa aliases";
extraOptions = mkOption {
type = types.listOf types.str;
default = [ ];
example = [ "--group-directories-first" "--header" ];
description = ''
Extra command line options passed to exa.
'';
};
icons = mkOption {
type = types.bool;
default = false;
description = ''
Display icons next to file names (<option>--icons</option> argument).
'';
};
git = mkOption {
type = types.bool;
default = false;
description = ''
List each file's Git status if tracked or ignored (<option>--git</option> argument).
'';
};
package = mkPackageOption pkgs "exa" { };
};
config = mkIf cfg.enable {
config = let
cfg = config.programs.exa;
args = escapeShellArgs (optional cfg.icons "--icons"
++ optional cfg.git "--git" ++ cfg.extraOptions);
aliases = {
# Use `command` instead of hardcoding the path to exa so that aliases don't
# go stale after a system update.
exa = "exa ${args}";
ls = "exa";
ll = "exa -l";
la = "exa -a";
lt = "exa --tree";
lla = "exa -la";
};
in mkIf cfg.enable {
home.packages = [ cfg.package ];
programs.bash.shellAliases = mkIf cfg.enableAliases aliases;