home-manager/modules/programs/git.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.git;
toINI = (import ../lib/generators.nix).toINI {};
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signModule = types.submodule {
options = {
key = mkOption {
type = types.str;
description = "The default GPG signing key fingerprint.";
};
signByDefault = mkOption {
type = types.bool;
default = false;
description = "Whether commits should be signed by default.";
};
gpgPath = mkOption {
type = types.str;
default = "${pkgs.gnupg}/bin/gpg2";
defaultText = "\${pkgs.gnupg}/bin/gpg2";
description = "Path to GnuPG binary to use.";
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};
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};
};
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in
{
options = {
programs.git = {
enable = mkEnableOption "Git";
package = mkOption {
type = types.package;
default = pkgs.git;
defaultText = "pkgs.git";
description = "Git package to install.";
};
userName = mkOption {
type = types.str;
description = "Default user name to use.";
};
userEmail = mkOption {
type = types.str;
description = "Default user email to use.";
};
aliases = mkOption {
type = types.attrs;
default = {};
description = "Git aliases to define.";
};
signing = mkOption {
type = types.nullOr signModule;
default = null;
description = "Options related to signing commits using GnuPG.";
};
extraConfig = mkOption {
type = types.lines;
default = "";
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description = "Additional configuration to add.";
};
};
};
config = mkIf cfg.enable (
let
ini = {
user = {
name = cfg.userName;
email = cfg.userEmail;
} // optionalAttrs (cfg.signing != null) {
signingKey = cfg.signing.key;
};
} // optionalAttrs (cfg.signing != null) {
commit.gpgSign = cfg.signing.signByDefault;
gpg.program = cfg.signing.gpgPath;
} // optionalAttrs (cfg.aliases != {}) {
alias = cfg.aliases;
};
in
{
home.packages = [ cfg.package ];
home.file.".gitconfig".text = toINI ini + "\n" + cfg.extraConfig;
}
);
}