diff --git a/lib/shared/home-manager-packages.nix b/lib/shared/home-manager-packages.nix
index 307eeefd..daa54dc8 100644
--- a/lib/shared/home-manager-packages.nix
+++ b/lib/shared/home-manager-packages.nix
@@ -20,6 +20,7 @@ let
);
notetaker = writeShellApplication (import ./scripts/notetaker.nix);
run = writeShellApplication (import ./scripts/run.nix { inherit pkgs; });
+ t = writeShellApplication (import ./scripts/t.nix { inherit pkgs; });
timer = writeShellApplication (import ./scripts/timer.nix);
in
with pkgs;
diff --git a/lib/shared/home-manager.nix b/lib/shared/home-manager.nix
index 3a56f5f2..41723693 100644
--- a/lib/shared/home-manager.nix
+++ b/lib/shared/home-manager.nix
@@ -30,6 +30,7 @@ in
./modules/phpactor.nix
./modules/ripgrep.nix
./modules/syncthing.nix
+ ./modules/tmux.nix
./modules/zellij.nix
./modules/zsh.nix
];
diff --git a/lib/shared/modules/tmux.nix b/lib/shared/modules/tmux.nix
new file mode 100644
index 00000000..bbfc1c26
--- /dev/null
+++ b/lib/shared/modules/tmux.nix
@@ -0,0 +1,82 @@
+{ pkgs, ... }:
+let
+ inherit (pkgs) tmuxPlugins;
+in
+{
+ programs.tmux = {
+ enable = true;
+
+ terminal = "tmux-256color";
+
+ extraConfig = ''
+ set-option -g status-keys "vi"
+ set-option -sa terminal-features "''${TERM}:RGB"
+
+ bind -n S-Left resize-pane -L 2
+ bind -n S-Right resize-pane -R 2
+ bind -n S-Down resize-pane -D 1
+ bind -n S-Up resize-pane -U 1
+
+ bind -n C-Left resize-pane -L 10
+ bind -n C-Right resize-pane -R 10
+ bind -n C-Down resize-pane -D 5
+ bind -n C-Up resize-pane -U 5
+
+ # Status line customisation
+ set-option -g status-left ""
+ set-option -g status-right " #{session_name}"
+ set-option -g status-right-length 100
+ set-option -g status-style "fg=#7C7D83 bg=default"
+ set-option -g window-status-activity-style none
+ set-option -g window-status-current-format "#{window_index}:#{pane_current_command}#{window_flags} "
+ set-option -g window-status-current-style "fg=#E9E9EA"
+ set-option -g window-status-format "#{window_index}:#{pane_current_command}#{window_flags} "
+
+ bind c new-window -c "#{pane_current_path}"
+
+ set -g base-index 1
+ set -g pane-base-index 1
+ set -g renumber-windows on
+
+ # Break a pane into a new window.
+ bind-key b break-pane -d
+ bind-key J command-prompt -p "join pane from: " "join-pane -h -s '%%'"
+
+ bind-key C-j choose-tree
+
+ # Use vim keybindings in copy mode
+ setw -g mode-keys vi
+
+ # Setup 'v' to begin selection as in Vim
+ bind-key -T copy-mode-vi 'v' send -X begin-selection
+ bind-key -T copy-mode-vi 'y' send -X copy-pipe wl-copy
+
+ bind C-j split-window -v "tmux list-sessions | sed -E 's/:.*$//' | grep -v \"^$(tmux display-message -p '#S')\$\" | fzf --reverse | xargs tmux switch-client -t"
+
+ bind-key K run-shell 'tmux switch-client -n \; kill-session -t "$(tmux display-message -p "#S")" || tmux kill-session'
+
+ # Allow clearing screen with ctrl-l by using <prefix> C-l
+ bind C-l send-keys "C-l"
+ bind C-k send-keys "C-k"
+
+ # Enable mouse support.
+ setw -g mouse on
+
+ # Remove delay when switching Vim modes.
+ set -sg escape-time 0
+
+ set-option -g pane-active-border-style "fg=#1f2335"
+ set-option -g pane-border-style "fg=#1f2335"
+
+ bind-key -r f run-shell "tmux new-window t"
+
+ set -g @resurrect-strategy-nvim 'session'
+ '';
+
+ plugins = [
+ tmuxPlugins.resurrect
+ tmuxPlugins.vim-tmux-navigator
+ tmuxPlugins.yank
+ ];
+ };
+}
diff --git a/lib/shared/modules/zsh/abbreviations.zsh b/lib/shared/modules/zsh/abbreviations.zsh
index 5b0eddeb..82f26678 100644
--- a/lib/shared/modules/zsh/abbreviations.zsh
+++ b/lib/shared/modules/zsh/abbreviations.zsh
@@ -32,6 +32,11 @@ abbr gs="git status"
abbr gsh="git show"
abbr gst="git status"
+# tmux
+abbr ta="tmux attach"
+abbr tl="tmux list-sessions"
+abbr tk="tmux kill-session"
+
# zellij
abbr czs="create-zellij-session"
abbr z="zellij"
diff --git a/lib/shared/scripts/t.nix b/lib/shared/scripts/t.nix
new file mode 100644
index 00000000..d9f91e3b
--- /dev/null
+++ b/lib/shared/scripts/t.nix
@@ -0,0 +1,86 @@
+{ pkgs }:
+
+{
+ name = "t";
+
+ runtimeInputs = with pkgs; [
+ openssl
+ tmux
+ ];
+
+ text = ''
+ # Credit to ThePrimeagen and Jess Archer.
+
+ function execute_tmux_file {
+ local tmux_file="$1"
+ selected_path="$2"
+ session_name="$3"
+
+ DIGEST="$(openssl sha512 "$tmux_file")"
+
+ # Prompt the first time we see a given .tmux file before running it.
+ if ! grep -q "$DIGEST" ~/..tmux.digests 2> /dev/null; then
+ cat "$tmux_file"
+
+ read -r -n 1 -p "Trust (and run) this .tmux file? (t = trust, otherwise = skip) "
+
+ if [[ $REPLY =~ ^[Tt]$ ]]; then
+ echo "$DIGEST" >> ~/..tmux.digests
+
+ create_session_and_run_tmux_file "$tmux_file" "$selected_path" "$session_name"
+ fi
+ else
+ create_session_and_run_tmux_file "$tmux_file" "$selected_path" "$session_name"
+ fi
+ }
+
+ function create_session_and_run_tmux_file {
+ tmux_file="$1"
+ selected_path="$2"
+ session_name="$3"
+
+ tmux new-session -d -c "$selected_path" -s "$session_name"
+ (cd "$selected_path" && "$tmux_file" "$session_name")
+ }
+
+ function main {
+ if [[ $# -eq 1 ]]; then
+ selected_path=$1
+ else
+ # Get the session name from fuzzy-finding list of directories and generating a
+ # tmux-safe version.
+ items=$(find "$REPOS" ~/Documents \
+ -maxdepth 1 -mindepth 1 -type d \
+ ! -name "_archive" \
+ ! -name "*-old" \
+ ! -name "*.old"
+ )
+
+ selected_path=$(echo "''${items}" | sort | fzf --reverse)
+ fi
+
+ session_name=$(basename "$selected_path" | sed 's/\./_/g')
+
+ # Attach to an existing session, if one exists.
+ if tmux has-session -t "$session_name" 2> /dev/null; then
+ tmux attach -t "$session_name" || tmux switch-client -t "$session_name"
+ exit
+ fi
+
+ if [[ -x "$selected_path/.tmux" ]]; then
+ execute_tmux_file "$selected_path/.tmux" "$selected_path" "$session_name"
+ elif [[ -x "$selected_path/.ignored/.tmux" ]]; then
+ execute_tmux_file "$selected_path/.ignored/.tmux" "$selected_path" "$session_name"
+ fi
+
+ # If there is no session, create one.
+ if ! tmux has-session -t "$session_name" 2> /dev/null; then
+ tmux new-session -d -c "$selected_path" -s "$session_name"
+ fi
+
+ tmux switch-client -t "$session_name" 2>/dev/null || tmux attach-session -t "$session_name"
+ }
+
+ main "$@"
+ '';
+}