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|
{ config, lib, pkgs, ... }:
with lib;
let
genConf = attrs: let
escStr = s: "\"${escape [ "\"" "\\" ] s}\"";
mkVal = v: if isBool v && v then "true"
else if isBool v && !v then "false"
else escStr (toString v);
mkLine = key: val: "${key} = ${mkVal val}";
filterNull = filterAttrs (_: v: !(isNull v));
mkSection = sect: subsect: vals: ''
[${sect}${optionalString (subsect != null) " ${escStr subsect}"}]
${concatStringsSep "\n" (mapAttrsToList mkLine (filterNull vals))}
'';
mkConf = sect: content: let
subs = filterAttrs (_: isAttrs) content;
nonSubs = filterAttrs (_: s: !isAttrs s) content;
hasPlain = (attrNames nonSubs) != [];
plainSects = singleton (mkSection sect null nonSubs);
in mapAttrsToList (mkSection sect) subs ++ optional hasPlain plainSects;
text = concatStringsSep "\n" (flatten (mapAttrsToList mkConf attrs));
in pkgs.writeText "gitconfig" text;
gitPatched = overrideDerivation pkgs.gitFull (git: {
makeFlags = let
oldFlags = git.makeFlags or [];
newVal = "ETC_GITCONFIG=${config.vuizvui.git.config}";
in if isList oldFlags
then oldFlags ++ [ newVal ]
else "${oldFlags} ${newVal}";
});
in {
options.vuizvui.git = {
enable = mkEnableOption "Git";
config = mkOption {
description = "System-wide default config for Git";
type = let
superType = types.attrsOf types.unspecified;
in mkOptionType {
name = "attribute set of either plain values or "
+ "attribute sets of values (if it is a subsection)";
inherit (superType) check merge;
inherit (superType) getSubOptions getSubModules substSubModules;
};
default = {};
example = {
color.ui = "auto";
merge.tool = "vimdiff";
guitool.foobar.noconsole = true;
};
apply = genConf;
};
};
config = mkIf config.vuizvui.git.enable {
environment.systemPackages = [
gitPatched
pkgs.gitAndTools.git-remote-hg
pkgs.gitAndTools.hub
];
};
}
|
