add kak-pager and diffr

diffr.nix

@@ -0,0 +1,13 @@
+{ config, pkgs, lib, ... }:
+pkgs.writeShellScriptBin "diffr" ''
+  exec ${pkgs.diffr}/bin/diffr \
+      --colors 'refine-added:foreground:green:underline' \
+      --colors 'refine-added:background:none' \
+      --colors 'refine-removed:foreground:red:underline' \
+      --colors 'refine-removed:background:none' \
+      --colors 'added:foreground:green' \
+      --colors 'added:background:none' \
+      --colors 'removed:foreground:red' \
+      --colors 'removed:background:none' \
+      $@
+''

flake.nix

@@ -35,6 +35,8 @@
             (_: _: {
               dhist = dhist.packages.${system}.dhist;
               bmenu = import ./bmenu.nix { inherit config pkgs lib; };
+              _diffr = import ./diffr.nix { inherit config pkgs lib; };
+              kak-pager = import ./kak-pager.nix { inherit config pkgs lib; };
             })
           ];
         })

kak-pager.nix

@@ -0,0 +1,36 @@
+{ config, pkgs, lib, ... }:
+pkgs.writeScriptBin "kak-pager" ''
+  #!/usr/bin/env fish
+
+  if test (count $argv) -ne 0
+      for i in $argv
+          cat "$i"
+      end | eval (status filename)
+      exit 0
+  end
+
+  set term_line_count (tput lines)
+
+  while read line
+      set -a input_lines "$line"
+
+      set input_line_count (printf "%s\n" $input_lines | wc -l)
+
+      if test "$term_line_count" -lt "$input_line_count"
+          begin
+              printf "%s\n" $input_lines
+              cat
+          end | kak -e '
+              exec <a-o>
+              map global normal q :q<ret>;
+              rmhl global/number-lines;
+              set global scrolloff 10,0;
+          '
+
+          exit 0
+      end
+
+  end
+
+  printf "%s\n" $input_lines
+''

user/git.nix

@@ -0,0 +1,34 @@
+{ config, pkgs, lib, ... }:
+let inherit (import ./variables.nix) username mail;
+in {
+  config = {
+    programs.git = {
+      enable = true;
+      extraConfig = {
+        user = {
+          name = username;
+          email = mail.personal.user;
+        };
+        init.defaultBranch = "main";
+        commit.verbose = true;
+        pull.rebase = true;
+        merge.conflictStyle = "diff3";
+        rerere.enabled = true;
+        rebase = {
+          abbreviateCommands = true;
+          autoSquash = true;
+          autoStash = true;
+        };
+        pager = {
+          log = "${pkgs._diffr}/bin/diffr | ${pkgs.kak-pager}/bin/kak-pager";
+          show = "${pkgs._diffr}/bin/diffr | ${pkgs.kak-pager}/bin/kak-pager";
+          diff = "${pkgs._diffr}/bin/diffr | ${pkgs.kak-pager}/bin/kak-pager";
+        };
+        alias = {
+          graph = "log --graph --oneline --all";
+          root = "rev-parse --show-toplevel";
+        };
+      };
+    };
+  };
+}

user/home.nix

@@ -10,12 +10,7 @@ let
   volumesh =
     pkgs.writeShellScriptBin "volumesh" (builtins.readFile ./scripts/volumesh);
 in {
-  imports = [
+  imports = [ ./waybar.nix ./helix.nix ./kakoune.nix ./sway.nix ./git.nix ];
-    ./waybar.nix
-    ./helix.nix
-    ./kakoune.nix
-    ./sway.nix
-  ];
   # Home Manager needs a bit of information about you and the
   # paths it should manage.
   home.username = "lelgenio";
@@ -35,6 +30,8 @@ in {
     alacritty
     exa
     fd
+    _diffr
+    kak-pager
     # text manipulation
     sd
     ripgrep

user/kakoune.nix

@@ -125,6 +125,8 @@ in {
     ];
     home.sessionVariables = {
       EDITOR = "kak";
+      # Some plugins(kak_ansi) like to compile stuff
+      CC = "cc";
     };
   };
 }

user/variables.nix

@@ -66,4 +66,28 @@ in rec {
       big = 16;
     };
   };
+
+  username = "lelgenio";
+  mail = {
+    personal = {
+      from = "Leonardo Eugênio";
+      user = "lelgenio@disroot.org";
+      imap = "disroot.org";
+      smtp = "disroot.org";
+      pass = "disroot.org";
+    };
+    work = {
+      from = "Leonardo Eugênio";
+      user = "leonardo@wopus.com.br";
+      imap = "imap.wopus.com.br";
+      smtp = "smtp.wopus.com.br";
+      pass = "Work/wopus_email";
+    };
+  };
+  nextcloud = {
+    name = "disroot";
+    user = "lelgenio";
+    host = "cloud.disroot.org";
+    pass = "disroot.org";
+  };
 }