feat: add ability to set Prompt terminal transparency with ujust (#886)

just/custom.just

@@ -184,6 +184,23 @@ nix-devbox-global:
     echo 'run "devbox global run install-hook-zsh" to configure zsh shell'
     echo 'run "devbox global run" to see other available configuration commands'
 
+# Prompt terminal transparency
+prompt-transparency opacity="0.95":
+    #!/usr/bin/env bash
+    set -euxo pipefail
+    if [[ -n "$(echo "{{ opacity }}" | grep -v '^[.0-9]*$')" ]]; then
+      printf "Value must be numeric: %s.\n" "{{ opacity }}"
+    elif [[ $(echo "0<{{ opacity }} && 1>{{ opacity }}" | bc -q) -eq 1 ]]; then
+      raw="$(gsettings get org.gnome.Prompt profile-uuids)"
+      uuids="$(sed -En 's|[^0-9a-z]*||g; s|([0-9a-z]{32})|\1\n|gp' <<<${raw})"
+      for i in ${uuids}; do
+        location="org.gnome.Prompt.Profile:/org/gnome/Prompt/Profiles/${i}/"
+        gsettings set "${location}" opacity "{{ opacity }}"; done
+      printf "Prompt opacity is now %s.\n" "{{ opacity }}"
+    else
+      printf "Value must be between 0 and 1: %s.\n" "{{ opacity }}"
+    fi
+
 # Run pytorch
 pytorch:
     echo 'Follow the prompts and check the tutorial: https://docs.anaconda.com/free/anaconda/jupyter-notebooks/'