home-manager/modules/programs/jujutsu.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.jujutsu;
tomlFormat = pkgs.formats.toml { };
configDir = if pkgs.stdenv.isDarwin then
"Library/Application Support"
else
config.xdg.configHome;
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in {
meta.maintainers = [ maintainers.shikanime ];
imports = let
mkRemovedShellIntegration = name:
mkRemovedOptionModule [ "programs" "jujutsu" "enable${name}Integration" ]
"This option is no longer necessary.";
in map mkRemovedShellIntegration [ "Bash" "Fish" "Zsh" ];
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options.programs.jujutsu = {
enable =
mkEnableOption "a Git-compatible DVCS that is both simple and powerful";
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package = mkPackageOption pkgs "jujutsu" { };
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ediff = mkOption {
type = types.bool;
default = config.programs.emacs.enable;
defaultText = literalExpression "config.programs.emacs.enable";
description = ''
Enable ediff as a merge tool
'';
};
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settings = mkOption {
type = tomlFormat.type;
default = { };
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example = {
user = {
name = "John Doe";
email = "jdoe@example.org";
};
};
description = ''
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Options to add to the {file}`config.toml` file. See
<https://github.com/martinvonz/jj/blob/main/docs/config.md>
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for options.
'';
};
};
config = mkIf cfg.enable {
home.packages = [ cfg.package ];
home.file."${configDir}/jj/config.toml" = mkIf (cfg.settings != { }) {
source = tomlFormat.generate "jujutsu-config" (cfg.settings
// optionalAttrs (cfg.ediff) (let
emacsDiffScript = pkgs.writeShellScriptBin "emacs-ediff" ''
set -euxo pipefail
${config.programs.emacs.package}/bin/emacsclient -c --eval "(ediff-merge-files-with-ancestor \"$1\" \"$2\" \"$3\" nil \"$4\")"
'';
in {
merge-tools.ediff = {
program = getExe emacsDiffScript;
merge-args = [ "$left" "$right" "$base" "$output" ];
};
}));
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};
};
}