Flatten dir structure

overlays/tmux-sessionizer/default.nix

@@ -0,0 +1,24 @@
+{
+  stdenv,
+  lib,
+  fetchurl,
+}:
+stdenv.mkDerivation rec {
+  pname = "tmux-sessionizer";
+  version = "0.0.0";
+
+  executable = ./tmux-sessionizer;
+
+  phases = ["unpackPhase"]; # Remove all other phases
+
+  unpackPhase = ''
+    mkdir -p $out/bin
+    cp ${executable} $out/bin/tmux-sessionizer
+  '';
+
+  meta = with lib; {
+    description = "
+      Tmux sessionizer adapted from https://sourcegraph.com/github.com/ThePrimeagen/.dotfiles@5cd09f06d6683b91c26822a73b40e3d7fb9af57a/-/blob/bin/.local/bin/tmux-sessionizer";
+    platforms = platforms.unix;
+  };
+}

overlays/tmux-sessionizer/tmux-sessionizer

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+
+# Credit to ThePrimeagen for this:
+# https://sourcegraph.com/github.com/ThePrimeagen/.dotfiles@5cd09f06d6683b91c26822a73b40e3d7fb9af57a/-/blob/bin/.local/bin/tmux-sessionizer
+
+
+readarray -t directories < ~/.config/tmux-sessionizer
+
+if [[ $# -eq 1 ]]; then
+    selected=$1
+else
+    selected=$(find "${directories[@]}" -mindepth 1 -maxdepth 1 -type d | fzf --exact)
+fi
+
+if [[ -z $selected ]]; then
+    exit 0
+fi
+
+selected_name=$(basename "$selected" | tr . _)
+tmux_running=$(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"