From 62eb5cfbf8b0b600588764a2f1f5c63a7b94ccaa Mon Sep 17 00:00:00 2001
From: "Gustavo \"Guz\" L de Mello" <contact@guz.one>
Date: Tue, 18 Feb 2025 18:46:59 -0300
Subject: [PATCH] feat(devkit): use tmux since zellij is currently broken

---
 modules/home-manager/devkit.nix     | 56 ++++++++++++++++++--
 packages/devkit/default.nix         |  6 +--
 packages/devkit/tmux/config.conf    | 75 +++++++++++++++++++++++++++
 packages/devkit/tmux/default.nix    | 80 +++++++++++++++++++++++++++++
 packages/devkit/tmux/sessionizer.sh | 40 +++++++++++++++
 5 files changed, 249 insertions(+), 8 deletions(-)
 create mode 100644 packages/devkit/tmux/config.conf
 create mode 100644 packages/devkit/tmux/default.nix
 create mode 100644 packages/devkit/tmux/sessionizer.sh

diff --git a/modules/home-manager/devkit.nix b/modules/home-manager/devkit.nix
index 3759c2c..e1eba63 100644
--- a/modules/home-manager/devkit.nix
+++ b/modules/home-manager/devkit.nix
@@ -32,6 +32,10 @@ in {
       type = with types; bool;
       default = cfg.enable;
     };
+    tmux.enable = mkOption {
+      type = with types; bool;
+      default = cfg.enable;
+    };
     yazi.enable = mkOption {
       type = with types; bool;
       default = cfg.enable;
@@ -132,17 +136,59 @@ in {
     };
 
     ## Zellij (Terminal multiplexer)
-    programs.zellij = lib.mkIf cfg.zellij.enable {
+    #
+    # CURRENTLY BORKED https://github.com/zellij-org/zellij/issues/3970
+    #
+    # programs.zellij = lib.mkIf cfg.zellij.enable {
+    #   enable = true;
+    #   package = devkitPkgs.zellij;
+    #   # package = pkgs.zellij;
+    # };
+
+    ## Tmux (Backup terminal multiplexer)
+    programs.tmux = lib.mkIf cfg.tmux.enable {
       enable = true;
-      package = devkitPkgs.zellij;
-      # package = pkgs.zellij;
+      package = devkitPkgs.tmux;
+      # baseIndex = 1;
+      # keyMode = "vi";
+      # mouse = true;
+      # prefix = "Ctrl-G";
+      # shell = lib.getExe config.programs.zsh.package;
+      # terminal = "screen-256color";
+      # plugins = with pkgs; [
+      #   {
+      #     plugin = tmuxPlugins.catppuccin.overrideAttrs (_: {
+      #       src = fetchFromGitHub {
+      #         owner = "guz013";
+      #         repo = "frappuccino-tmux";
+      #         rev = "4255b0a769cc6f35e12595fe5a33273a247630aa";
+      #         sha256 = "0k8yprhx5cd8v1ddpcr0dkssspc17lq2a51qniwafkkzxi3kz3i5";
+      #       };
+      #     });
+      #   }
+      #   {plugin = tmuxPlugins.better-mouse-mode;}
+      #   {
+      #     plugin = tmuxPlugins.mkTmuxPlugin {
+      #       pluginName = "tmux.nvim";
+      #       version = "unstable-2024-04-05";
+      #       src = fetchFromGitHub {
+      #         owner = "aserowy";
+      #         repo = "tmux.nvim";
+      #         rev = "63e9c5e054099dd30af306bd8ceaa2f1086e1b07";
+      #         sha256 = "0ynzljwq6hv7415p7pr0aqx8kycp84p3p3dy4jcx61dxfgdpgc4c";
+      #       };
+      #     };
+      #   }
+      #   {plugin = tmuxPlugins.resurrect;}
+      #   {plugin = tmuxPlugins.continuum;}
+      # ];
     };
 
     ## ZSH (Default shell)
     programs.zsh = lib.mkIf cfg.zsh.enable {
       enable = true;
-      # package = devkitPkgs.zsh;
-      package = pkgs.zsh;
+      package = devkitPkgs.zsh;
+      # package = pkgs.zsh;
     };
   };
 }
diff --git a/packages/devkit/default.nix b/packages/devkit/default.nix
index c8242e9..ec33f03 100644
--- a/packages/devkit/default.nix
+++ b/packages/devkit/default.nix
@@ -3,9 +3,9 @@
   git = pkgs.callPackage ./git {};
   lazygit = pkgs.callPackage ./lazygit {};
   starship = pkgs.callPackage ./starship {};
+  tmux = pkgs.callPackage ./tmux {shell = zsh;};
   yazi = pkgs.callPackage ./yazi {};
-  zellij = pkgs.callPackage ./zellij {
-    shell = zsh;
-  };
+  # CURRENTLY BORKED https://github.com/zellij-org/zellij/issues/3970
+  # zellij = pkgs.callPackage ./zellij {shell = zsh;};
   zsh = pkgs.callPackage ./zsh {};
 }
diff --git a/packages/devkit/tmux/config.conf b/packages/devkit/tmux/config.conf
new file mode 100644
index 0000000..b6c3aef
--- /dev/null
+++ b/packages/devkit/tmux/config.conf
@@ -0,0 +1,75 @@
+
+set  -g default-terminal "screen-256color"
+set  -g base-index      1
+setw -g pane-base-index 1
+
+set -g status-keys vi
+set -g mode-keys   vi
+
+# rebind main key: C-g
+unbind C-b
+set -g prefix C-g
+bind -N "Send the prefix key through to the application" \
+  C-g send-prefix
+
+set  -g mouse             on
+setw -g aggressive-resize off
+setw -g clock-mode-style  12
+set  -s escape-time       500
+set  -g history-limit     2000
+
+set -sg terminal-overrides ",*:RGB"
+
+set -g renumber-windows on
+
+# Split panes
+bind -T prefix / split-window -v -c "#{pane_current_path}"
+bind -T prefix \\ split-window -h -c "#{pane_current_path}"
+
+# Panes
+bind 'h' select-pane -L # move left after prefix
+bind 'j' select-pane -D # move down after prefix
+bind 'k' select-pane -U # move up after prefix
+bind 'l' select-pane -R # move right after prefix
+
+bind -n 'C-h' select-pane -L # move left
+bind -n 'C-j' select-pane -D # move down
+bind -n 'C-k' select-pane -U # move up
+bind -n 'C-l' select-pane -R # move right
+
+# bind -r 'S-h' resize-pane -L 5
+# bind -r 'S-j' resize-pane -D 5
+# bind -r 'S-k' resize-pane -U 5
+# bind -r 'S-l' resize-pane -R 5
+
+bind '<' swap-pane -D # swap current pane with the next one
+bind '>' swap-pane -U # swap current pane with the previous one
+
+# Windows
+bind 'C-h' previous-window # select previous window
+bind 'C-l' next-window # select next window
+bind 'Tab' last-window # select last window
+
+bind 'c' new-window -c "${pane_current_path}" # new window
+
+
+set -g @catppuccin_window_number_position "right"
+
+set -g @catppuccin_window_default_fill "number"
+set -g @catppuccin_window_default_text "#W"
+
+set -g @catppuccin_window_current_fill "number"
+set -g @catppuccin_window_current_text "#W"
+
+set -g @catppuccin_status_modules_right "directory user host session"
+set -g @catppuccin_status_fill "icon"
+set -g @catppuccin_status_connect_separator "no"
+
+set -g @catppuccin_directory_text "#{pane_current_path}"
+
+set -g @resurrect-strategy-nvim 'session'
+
+set-option -g mouse on
+
+set -g @continuum-restore 'on'
+
diff --git a/packages/devkit/tmux/default.nix b/packages/devkit/tmux/default.nix
new file mode 100644
index 0000000..28795dc
--- /dev/null
+++ b/packages/devkit/tmux/default.nix
@@ -0,0 +1,80 @@
+{
+  symlinkJoin,
+  makeWrapper,
+  pkgs,
+  lib,
+  fetchFromGitHub,
+  tmux ? pkgs.tmux,
+  fzf ? pkgs.fzf,
+  shell ? pkgs.zsh,
+}: let
+  # colors = import ../colors.nix;
+  sessionizer = pkgs.writeShellScriptBin "sessionizer" ''
+    function tmux() { ${lib.getExe tmux} "$@"; }
+    function fzf() { ${lib.getExe fzf} "$@"; }
+
+    ${builtins.readFile ./sessionizer.sh}
+  '';
+
+  plugins = with pkgs.tmuxPlugins; [
+    sensible
+
+    better-mouse-mode
+    continuum
+    resurrect
+
+    (catppuccin.overrideAttrs (_: {
+      src = fetchFromGitHub {
+        owner = "guz013";
+        repo = "frappuccino-tmux";
+        rev = "4255b0a769cc6f35e12595fe5a33273a247630aa";
+        sha256 = "0k8yprhx5cd8v1ddpcr0dkssspc17lq2a51qniwafkkzxi3kz3i5";
+      };
+    }))
+  ];
+
+  cfg = pkgs.writeText "tmux.conf" ''
+    ${(lib.concatMapStringsSep "\n\n" (p: ''
+        run-shell ${p.rtp}
+      '')
+      plugins)}
+
+    set -g default-shell "${lib.getExe shell}"
+
+    ${builtins.readFile ./config.conf}
+
+    bind -T prefix g run-shell "tmux neww ${lib.getExe sessionizer}"
+  '';
+
+  drv = symlinkJoin ({
+      paths = tmux;
+
+      nativeBuildInputs = [makeWrapper];
+
+      postBuild = ''
+        wrapProgram $out/bin/tmux  \
+          --add-flags '-f' --add-flags '${cfg}'
+      '';
+    }
+    // {inherit (tmux) name pname man meta;});
+in
+  pkgs.stdenv.mkDerivation (rec {
+      name = drv.name;
+      pname = drv.pname;
+
+      buildCommand = let
+        desktopEntry = pkgs.makeDesktopItem {
+          name = pname;
+          desktopName = name;
+          exec = "${lib.getExe drv}";
+          terminal = true;
+        };
+      in ''
+        mkdir -p $out/bin
+        cp ${lib.getExe drv} $out/bin
+
+        mkdir -p $out/share/applications
+        cp ${desktopEntry}/share/applications/${pname}.desktop $out/share/applications/${pname}.desktop
+      '';
+    }
+    // {inherit (tmux) man meta;})
diff --git a/packages/devkit/tmux/sessionizer.sh b/packages/devkit/tmux/sessionizer.sh
new file mode 100644
index 0000000..c9a9365
--- /dev/null
+++ b/packages/devkit/tmux/sessionizer.sh
@@ -0,0 +1,40 @@
+# "Chat is MIT"
+# https://github.com/ThePrimeagen/.dotfiles/blob/master/bin/.local/scripts/tmux-sessionizer
+
+SEARCH_PATHS=("$HOME/.projects" "$HOME/.job" "$HOME/.work")
+
+function tmux_sessionizer() {
+	local paths=()
+
+	for p in "${SEARCH_PATHS[@]}"; do
+		if [ -d "$p" ]; then
+			paths+=("$p")
+		fi
+	done
+
+	if [[ $# -eq 1 ]]; then
+		selected="$1"
+	else
+		selected="$(find "${paths[@]}" -mindepth 1 -maxdepth 1 -type d | fzf)"]
+	fi
+
+	if [[ -z "$selected" ]]; then
+		exit 0
+	fi
+
+	local selected_name="$(basename "$selected" | tr . _)"
+	local tmux_running="$(pgrep tmux)"
+
+	if [[ -z "$TMUX" ]] && [[ -z "$tmux_running" ]]; then
+		tmux new-session -s "$selected_name" -c "$selected"
+		exit 0
+	fi
+
+	if ! tmux has-session -t="$selected_name" 2>/dev/null; then
+		tmux new-session -ds "$selected_name" -c "$selected"
+	fi
+
+	tmux switch-client -t "$selected_name"
+}
+
+tmux_sessionizer "$@"