move packages to packages folder and abstract out tmux-sessionizer

packages/default.nix

@@ -0,0 +1,18 @@
+{
+  pkgs,
+  inputs,
+  inputs',
+}: {
+  tmux-sessionizer-cl = pkgs.callPackage ./tmux-sessionizer {};
+  om = inputs'.omnix.packages.default;
+  nixvim = inputs'.nixvim.packages.default;
+  agenix = inputs'.agenix.packages.default;
+  vaapiIntel = pkgs.vaapiIntel.override {enableHybridCodec = true;};
+  devour-flake = pkgs.callPackage inputs.devour-flake {};
+  jellyfin-ffmpeg = pkgs.jellyfin-ffmpeg.override {
+    ffmpeg_6-full = pkgs.ffmpeg_6-full.override {
+      withMfx = false;
+      withVpl = true;
+    };
+  };
+}

packages/tmux-sessionizer/default.nix

@@ -0,0 +1,8 @@
+{pkgs}: let
+  name = "tmux-sessionizer";
+  runtimeInputs = [pkgs.tmux pkgs.ghq pkgs.fzf];
+  text = builtins.readFile ./tmux-sessionizer.sh;
+in
+  pkgs.writeShellApplication {
+    inherit name runtimeInputs text;
+  }

packages/tmux-sessionizer/tmux-sessionizer.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+
+pick_session() {
+	selected=$(ghq list -p | fzf || exit 0)
+
+	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 "$selected_name"
+}
+
+switch_session() {
+	selected=$(tmux list-sessions -F "#{session_name}" | fzf || exit 0)
+
+	if [[ -z $selected ]]; then
+		exit 0
+	fi
+
+	tmux switch-client -t "$selected"
+}
+
+selections=()
+while getopts "sp" opt; do
+	case ${opt} in
+	p) selections+=("pick") ;;
+	s) selections+=("switch") ;;
+	\?)
+		echo "Invalid usage"
+		exit
+		;;
+	esac
+done 2>/dev/null
+
+case ${#selections[@]} in
+1) selection=${selections[0]} ;;
+*)
+	echo "Please make exactly one selection (-p or -s)" >&2
+	exit 1
+	;;
+esac
+shift $((OPTIND - 1))
+
+case $selection in
+"pick") pick_session ;;
+"switch") switch_session ;;
+esac