nixos-config/modules/cli/powerline.nix

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{ config, pkgs, lib, ... }:
let
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cfg = config.sconfig.powerline;
theme = pkgs.writeText "powerline.json" (builtins.toJSON
{
BoldForeground = true;
CwdFg = 15;
PathBg = 24;
PathFg = 15;
SeparatorFg = 16;
});
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in
{
options.sconfig.powerline =
{
enable = lib.mkOption {
type = lib.types.bool;
default = true;
};
args = lib.mkOption {
type = lib.types.listOf lib.types.str;
default = [
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"-modules=\${remote:+'user,host,'}nix-shell,git,jobs,cwd"
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"-git-assume-unchanged-size 0"
"-theme ${theme}"
"-path-aliases '~/git=~/git'"
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"-jobs $(jobs -p | wc -l)"
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];
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};
};
config = lib.mkIf cfg.enable {
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environment.systemPackages = [ pkgs.powerline-go ];
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programs.bash.interactiveShellInit = ''
function _update_ps1() {
local remote=y
[ "$XDG_SESSION_TYPE" = "x11" ] && unset remote
[ "$XDG_SESSION_TYPE" = "wayland" ] && unset remote
PS1="\n$(powerline-go ${lib.concatStringsSep " " cfg.args})"
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}
[ "$TERM" = "linux" ] || PROMPT_COMMAND="_update_ps1; $PROMPT_COMMAND"
'';
};
}