Merge pull request #8 from fenhl/bitbar-config

Allow hiding BitBar plugin when inactive

README.md

@@ -84,14 +84,18 @@ end, "$1", 31)
 
 Remember to add it to your `wibox` list! Search for `mytextclock` with a default configuration.
 
-### Bitbar
+### BitBar
 
-Link `bitbar/ambient.60s.sh` into your Bitbar plugin directory. 
+Link `bitbar/ambient.60s.sh` into your BitBar plugin directory.
 
 ```
 ln -s $(pwd)/bitbar/ambient.60s.sh ~/.bitbar
 ```
 
+You can put a file named `bitbar/plugins/ambient.json` in one of [the usual locations](https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html) (e.g. `~/.config`) to configure the plugin:
+
+- If `showIfEmpty` is false, the plugin will disappear entirely from your menu bar as long as you're not in a known network. Note that BitBar displays its own menu if none of the plugins are active. (Default: `true`)
+
 Why `fish`? Why not `bash` or `zsh`?
 ------------------------------------
 

bitbar/ambient.60s.sh

@@ -10,10 +10,24 @@ DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )"
 
 PATH="/usr/local/bin:$PATH" # to find Homebrew-installed fish
 
+# look for config file in XDG config dirs
+while IFS=: read -d: -r p; do
+    if [ -z "$config_path" ] && [ -r "$p/bitbar/plugins/ambient.json" ]; then
+        config_path="$p/bitbar/plugins/ambient.json"
+    fi
+done <<<$(printf '%s:\0' "${XDG_CONFIG_HOME:-"${HOME}/.config"}:${XDG_CONFIG_DIRS:-/etc/xdg}")
+if [ -z "$config_path" ]; then
+    config='{}'
+else
+    config="$(cat "$config_path")"
+fi
+
 WIDGET=$(/usr/local/bin/fish $DIR/../ambient-widgets | tr '\n' ' ')
 
 if [ -z "$WIDGET" ]; then
+    if echo "$config" | jq -e 'if has("showIfEmpty") then .showIfEmpty else true end' > /dev/null; then
         echo "🚄"
+    fi
 else
     echo $WIDGET
     echo "---"