niksos/modules/cli/git.nix

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Nix
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{
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config,
lib,
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pkgs,
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...
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}: let
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cfg = config.myOptions.programs.git;
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inherit (config.myOptions.other.system) username;
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inherit (lib) getExe mkEnableOption mkIf mkOption;
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inherit (lib.types) nullOr str;
delta = getExe pkgs.delta;
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in {
options.myOptions.programs.git = {
enable = mkEnableOption "git";
userName = mkOption {
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type = nullOr str;
default = null;
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description = "git username";
};
userEmail = mkOption {
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type = nullOr str;
default = null;
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description = "git email";
};
signingKey = mkOption {
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type = nullOr str;
default = null;
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description = "git commit signing key";
};
editor = mkOption {
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type = str;
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default = "$EDITOR";
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description = "commit message editor";
};
defaultBranch = mkOption {
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type = str;
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default = "master";
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description = "default git branch";
};
};
config = mkIf cfg.enable {
home-manager.users.${username} = {
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programs.git = {
enable = true;
inherit (cfg) userName userEmail;
extraConfig = {
core = {
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inherit (cfg) editor;
pager = "${delta}";
};
init.defaultBranch = cfg.defaultBranch;
push.autoSetupRemote = true;
commit = {
verbose = true;
gpgsign = cfg.signingKey != null;
};
gpg.format = "ssh";
user.signingkey = mkIf (cfg.signingKey != null) "key::${cfg.signingKey}";
merge.conflictstyle = "zdiff3";
interactive.diffFilter = "${delta} --color-only";
diff.algorithm = "histogram";
transfer.fsckobjects = true;
fetch.fsckobjects = true;
receive.fsckobjects = true;
};
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};
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};
};
}