Affiche la batterie de la Kobo (push via params /image.png) en pied de page

kobo/monitorinkloop.sh

@@ -18,10 +18,36 @@ BUSYBOX="./bin/busybox_kobo"
 
 log() { echo "[$(date '+%H:%M:%S')] $*"; sync; }
 
+read_battery() {
+    # Renvoie "CAP|CHG" (ex. "85|0"), CHG=1 si en charge. Vide si introuvable.
+    # On lit capacity + status dans le même dossier /sys/class/power_supply/*.
+    for d in /sys/class/power_supply/*/; do
+        [ -r "${d}capacity" ] || continue
+        cap=$(cat "${d}capacity" 2>/dev/null)
+        chg=0
+        if [ -r "${d}status" ]; then
+            case "$(cat "${d}status" 2>/dev/null)" in
+                Charging|Full) chg=1 ;;
+            esac
+        fi
+        echo "${cap}|${chg}"
+        return 0
+    done
+    echo ""
+}
+
 fetch() {
+    # On pousse la batterie de la Kobo en paramètres d'URL (le backend la mémorise).
+    url="$IMAGE_URL"
+    bat="$(read_battery)"
+    if [ -n "$bat" ]; then
+        cap="${bat%%|*}"; chg="${bat##*|}"
+        case "$url" in *\?*) sep="&" ;; *) sep="?" ;; esac
+        url="${url}${sep}bat=${cap}&chg=${chg}"
+    fi
     # busybox wget (toujours présent), fallback curl si dispo dans le PATH.
-    "$BUSYBOX" wget -q -T 30 -O "$TMP" "$IMAGE_URL" 2>/dev/null && return 0
-    command -v curl >/dev/null 2>&1 && curl -fsSL -m 30 -o "$TMP" "$IMAGE_URL" 2>/dev/null && return 0
+    "$BUSYBOX" wget -q -T 30 -O "$TMP" "$url" 2>/dev/null && return 0
+    command -v curl >/dev/null 2>&1 && curl -fsSL -m 30 -o "$TMP" "$url" 2>/dev/null && return 0
     return 1
 }