1 files changed, 18 insertions, 28 deletions
diff --git a/.config/niri/set-backdrop.sh b/.config/niri/set-backdrop.sh
index efd02b3..32e4144 100755
--- a/.config/niri/set-backdrop.sh
+++ b/.config/niri/set-backdrop.sh
@@ -1,29 +1,19 @@
-#!/bin/bash
-# Push a blurred copy of a wallpaper to the awww-daemon backdrop namespace.
-# Prefers a pre-made <name>-blur.<ext> sibling; otherwise generates one into the cache.
-# Used by theme-switcher.sh and apply-colors.sh for the niri Overview backdrop.
-
-set -euo pipefail
-
-IMG="${1:-}"
-if [ -z "$IMG" ] || [ ! -f "$IMG" ]; then
-    echo "usage: $0 <image>" >&2
-    exit 1
-fi
-
-EXT="${IMG##*.}"
-SIBLING="${IMG%.*}-blur.${EXT}"
-if [ -f "$SIBLING" ]; then
-    BLURRED="$SIBLING"
-else
-    CACHE_DIR="${XDG_CACHE_HOME:-$HOME/.cache}/niri-backdrop"
-    mkdir -p "$CACHE_DIR"
-    BASE=$(basename "${IMG%.*}")
-    BLURRED="$CACHE_DIR/${BASE}-blur.jpg"
-    if [ ! -f "$BLURRED" ] || [ "$IMG" -nt "$BLURRED" ]; then
-        magick "$IMG" -blur 0x16 -quality 90 "$BLURRED"
+#!/bin/sh
+# Generate a blurred copy of WALLPAPER and set it as the awww backdrop layer.
+set -eu
+WP="${1:?usage: set-backdrop.sh <wallpaper>}"
+CACHE_DIR="${XDG_CACHE_HOME:-$HOME/.cache}/niri-backdrop"
+mkdir -p "$CACHE_DIR"
+name="$(basename "${WP%.*}")"
+blur="$CACHE_DIR/${name}-blur.jpg"
+# (re)generate the blur only if it is missing
+[ -f "$blur" ] || magick "$WP" -blur 0x40 -quality 85 "$blur"
+# wait for the backdrop daemon socket, then set the image
+for _ in 1 2 3 4 5 6 7 8; do
+    if awww img --namespace backdrop "$blur" 2>/dev/null; then
+        exit 0
     fi
-fi
-
-awww img "$BLURRED" -n backdrop
-echo "$BLURRED" >/tmp/current_backdrop_state
-\ No newline at end of file
+    sleep 0.5
+done
+echo "set-backdrop: awww backdrop daemon not reachable" >&2
+exit 1