use delta for git diff

.gitconfig.linux.private

@@ -7,3 +7,14 @@
 
 [gpg]
 program = gpg2
+
+[diff]
+tool = kitty
+guitool = kitty.gui
+[difftool]
+prompt = false
+trustExitCode = true
+[difftool "kitty"]
+cmd = kitty +kitten diff $LOCAL $REMOTE
+[difftool "kitty.gui"]
+cmd = kitty kitty +kitten diff $LOCAL $REMOTE

nixos/git/home.nix

@@ -5,17 +5,15 @@
     lfs.enable = true;
     userName = "Cyryl Płotnicki";
     userEmail = "cyplo@cyplo.net";
+    delta = {
+      enable = true;
+    };
     extraConfig = {
       credential = { helper ="cache"; };
-      core = { pager = "cat"; };
       colour.ui = true;
       help.autocorrect = 1;
       push.default = "simple";
       mergetool.keepBackup = false;
-      pager = {
-        diff = "${pkgs.gitAndTools.diff-so-fancy}/bin/diff-so-fancy | less --tabs=1,5 -RFX";
-        show = "${pkgs.gitAndTools.diff-so-fancy}/bin/diff-so-fancy | less --tabs=1,5 -RFX";
-      };
     };
     aliases =
       {

nixos/home-manager/programs/kitty.nix

@@ -14,25 +14,26 @@
       bold_italic_font = "auto";
       background = "#001e26";
       foreground = "#708183";
-      cursor                = "#708183";
-      selection_background  = "#002731";
-      color0                = "#002731";
-      color8                = "#465a61";
-      color1                = "#d01b24";
-      color9                = "#bd3612";
-      color2                = "#728905";
-      color10               = "#465a61";
-      color3                = "#a57705";
-      color11               = "#52676f";
-      color4                = "#2075c7";
-      color12               = "#708183";
-      color5                = "#c61b6e";
-      color13               = "#5856b9";
-      color6                = "#259185";
-      color14               = "#81908f";
-      color7                = "#e9e2cb";
-      color15               = "#fcf4dc";
       selection_foreground ="#001e26";
+      selection_background = "#002731";
+      cursor = "#708183";
+
+      color0  = "#002731";
+      color1  = "#d01b24";
+      color2  = "#728905";
+      color3  = "#a57705";
+      color4  = "#2075c7";
+      color5  = "#c61b6e";
+      color6  = "#259185";
+      color7  = "#e9e2cb";
+      color8  = "#001e26";
+      color9  = "#bd3612";
+      color10 = "#465a61";
+      color11 = "#52676f";
+      color12 = "#708183";
+      color13 = "#5856b9";
+      color14 = "#81908f";
+      color15 = "#fcf4dc";
 
     };
   };