Reattach tmux sessions on alacritty start

.config/alacritty/alacritty.yml

@@ -30,10 +30,14 @@ scrolling:
   history: 0
 
 shell:
-  program: tmux
+  program: zsh
+  args:
+    - "-c"
+    - "$HOME/.tmux/tmux_attach.sh"
 
 alt_send_esc: false
 live_config_reload: true
 
 key_bindings:
-  - { key: F, mods: Control, command: {program: "zsh", args: ["-c","PATH=/usr/local/bin:$PATH python3 ~/.config/alacritty/color_switcher.py 2>&1 >> /tmp/ala.log"]} }
+  - { key: F, mods: Control, command: {program: "zsh", args: ["-c","PATH=/usr/local/bin:$PATH python3 ~/.config/alacritty/color_switcher.py"]} } 
+  - { key: T, mods: Command, command: {program: "alacritty", args: ["-e","zsh"]} } # Spawn alacritty without tmux

tmux/tmux_attach.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+#
+# tmux-attach - attach to first unattached session or
+#         create new session if none are found
+#
+N=$(tmux ls | grep -v attached | head -1 | cut -d: -f1)
+
+if [[ ! -z $N ]]
+then
+    ATTACH_OPTS="attach -t $N"
+fi
+
+exec tmux $ATTACH_OPTS