feat(modules/gitTools): Add git-cliff, gitui and riffdiff`, set default branch

modules/gitTools.nix

@@ -24,6 +24,64 @@ in {
     home.packages = with pkgs; [
       gh
       tea
+      riffdiff
     ];
+
+    programs = {
+      git-cliff.enable = true;
+      gitui = {
+        enable = true;
+        keyConfig = lib.mkDefault ''
+          (
+              open_help: Some(( code: F(1), modifiers: "")),
+
+              move_left: Some(( code: Char('h'), modifiers: "")),
+              move_right: Some(( code: Char('l'), modifiers: "")),
+              move_up: Some(( code: Char('k'), modifiers: "")),
+              move_down: Some(( code: Char('j'), modifiers: "")),
+              
+              popup_up: Some(( code: Char('p'), modifiers: "CONTROL")),
+              popup_down: Some(( code: Char('n'), modifiers: "CONTROL")),
+              page_up: Some(( code: Char('b'), modifiers: "CONTROL")),
+              page_down: Some(( code: Char('f'), modifiers: "CONTROL")),
+              home: Some(( code: Char('g'), modifiers: "")),
+              end: Some(( code: Char('G'), modifiers: "SHIFT")),
+              shift_up: Some(( code: Char('K'), modifiers: "SHIFT")),
+              shift_down: Some(( code: Char('J'), modifiers: "SHIFT")),
+
+              edit_file: Some(( code: Char('I'), modifiers: "SHIFT")),
+
+              status_reset_item: Some(( code: Char('U'), modifiers: "SHIFT")),
+
+              diff_reset_lines: Some(( code: Char('u'), modifiers: "")),
+              diff_stage_lines: Some(( code: Char('s'), modifiers: "")),
+
+              stashing_save: Some(( code: Char('w'), modifiers: "")),
+              stashing_toggle_index: Some(( code: Char('m'), modifiers: "")),
+
+              stash_open: Some(( code: Char('l'), modifiers: "")),
+
+              abort_merge: Some(( code: Char('M'), modifiers: "SHIFT")),
+          )
+        '';
+      };
+
+      git = {
+        enable = true;
+        extraConfig = {
+          init = {
+            defaultBranch = lib.mkDefault "main";
+          };
+          pager = {
+            diff = lib.mkDefault "riff";
+            show = lib.mkDefault "riff";
+            log = lib.mkDefault "riff";
+          };
+          interactive = {
+            diffFilter = lib.mkDefault "riff --color=on";
+          };
+        };
+      };
+    };
   };
 }