101 lines
2.4 KiB
Nix
101 lines
2.4 KiB
Nix
{ config, pkgs, lib, ... }:
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let
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cfg = config.my.home.delta;
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configFormat = pkgs.formats.gitIni { };
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configPath = "${config.xdg.configHome}/delta/config";
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in
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{
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options.my.home.delta = with lib; {
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enable = my.mkDisableOption "delta configuration";
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package = mkPackageOption pkgs "delta" { };
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git = {
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enable = my.mkDisableOption "git integration";
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};
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jujutsu = {
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enable = my.mkDisableOption "jujutsu integration";
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};
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};
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config = lib.mkIf cfg.enable {
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assertions = [
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{
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# For its configuration
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assertion = cfg.enable -> cfg.git.enable;
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message = ''
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`config.my.home.delta` must enable `config.my.home.delta.git` to be
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properly configured.
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'';
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}
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{
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assertion = cfg.enable -> config.programs.git.enable;
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message = ''
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`config.my.home.delta` relies on `config.programs.git` to be
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enabled.
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'';
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}
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];
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home.packages = [ cfg.package ];
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xdg.configFile."delta/config".source = configFormat.generate "delta-config" {
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delta = {
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features = "diff-highlight decorations";
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# Less jarring style for `diff-highlight` emulation
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diff-highlight = {
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minus-style = "red";
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minus-non-emph-style = "red";
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minus-emph-style = "bold red 52";
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plus-style = "green";
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plus-non-emph-style = "green";
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plus-emph-style = "bold green 22";
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whitespace-error-style = "reverse red";
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};
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# Personal preference for easier reading
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decorations = {
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commit-style = "raw"; # Do not recolor meta information
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keep-plus-minus-markers = true;
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paging = "always";
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};
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};
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};
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programs.git = lib.mkIf cfg.git.enable {
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delta = {
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enable = true;
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inherit (cfg) package;
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};
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includes = [
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{
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path = configPath;
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}
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];
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};
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programs.jujutsu = lib.mkIf cfg.jujutsu.enable {
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settings = {
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merge-tools = {
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delta = {
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# Errors are signaled with exit codes greater or equal to 2
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diff-expected-exit-codes = [ 0 1 ];
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};
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};
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ui = {
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# Delta expects a `git diff` input
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diff-formatter = ":git";
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pager = [ (lib.getExe cfg.package) "--config=${configPath}" ];
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};
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};
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};
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};
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}
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