git: extraConfig -> settings

Remove string support and convert to rfc42 settings option

Signed-off-by: Austin Horstman <khaneliman12@gmail.com>

modules/programs/bun.nix

@@ -64,7 +64,7 @@ in
     programs.git.attributes = lib.mkIf (cfg.enableGitIntegration && (cfg.package != null)) [
       "*.lockb binary diff=lockb"
     ];
-    programs.git.extraConfig.diff.lockb = lib.mkIf (cfg.enableGitIntegration && (cfg.package != null)) {
+    programs.git.settings.diff.lockb = lib.mkIf (cfg.enableGitIntegration && (cfg.package != null)) {
       textconv = lib.getExe cfg.package;
       binary = true;
     };

modules/programs/gh.nix

@@ -188,7 +188,7 @@ in
         fi
       '';
 
-    programs.git.extraConfig.credential = mkIf cfg.gitCredentialHelper.enable (
+    programs.git.settings.credential = mkIf cfg.gitCredentialHelper.enable (
       builtins.listToAttrs (
         map (
           host:

modules/programs/git-credential-keepassxc.nix

@@ -35,7 +35,7 @@ in
 
   config = lib.mkIf cfg.enable {
     home.packages = [ cfg.package ];
-    programs.git.extraConfig.credential =
+    programs.git.settings.credential =
       let
         helperConfig =
           let

modules/programs/git-credential-oauth.nix

@@ -35,7 +35,7 @@ in
   config = lib.mkIf cfg.enable {
     home.packages = [ cfg.package ];
 
-    programs.git.extraConfig.credential.helper = lib.mkAfter [
+    programs.git.settings.credential.helper = lib.mkAfter [
       (
         "${cfg.package}/bin/git-credential-oauth"
         + lib.optionalString (cfg.extraFlags != [ ]) " ${lib.strings.concatStringsSep " " cfg.extraFlags}"

modules/programs/git.nix

@@ -111,8 +111,8 @@ in
           };
         };
 
-        extraConfig = mkOption {
-          type = types.either types.lines gitIniType;
+        settings = mkOption {
+          type = gitIniType;
           default = { };
           example = {
             core = {
@@ -121,8 +121,8 @@ in
             url."ssh://git@host".insteadOf = "otherhost";
           };
           description = ''
-            Additional configuration to add. The use of string values is
-            deprecated and will be removed in the future.
+            Configuration written to {file}`$XDG_CONFIG_HOME/git/config`.
+            See {manpage}`git-config(1)` for details.
           '';
         };
 
@@ -440,20 +440,8 @@ in
 
       (mkIf (cfg.aliases != { }) { programs.git.iniContent.alias = cfg.aliases; })
 
-      (mkIf (lib.isAttrs cfg.extraConfig) {
-        programs.git.iniContent = cfg.extraConfig;
-      })
-
-      (mkIf (lib.isString cfg.extraConfig) {
-        warnings = [
-          ''
-            Using programs.git.extraConfig as a string option is
-            deprecated and will be removed in the future. Please
-            change to using it as an attribute set instead.
-          ''
-        ];
-
-        xdg.configFile."git/config".text = cfg.extraConfig;
+      (mkIf (cfg.settings != { }) {
+        programs.git.iniContent = cfg.settings;
       })
 
       (mkIf (cfg.includes != [ ]) {

modules/programs/mergiraf.nix

@@ -29,7 +29,7 @@ in
 
     programs.git = {
       attributes = [ "* merge=mergiraf" ];
-      extraConfig = {
+      settings = {
         merge = {
           mergiraf = {
             name = "mergiraf";