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#!/usr/bin/env bash
set -euo pipefail
# SPDX-FileCopyrightText: 2025-present Ahum Maitra theahummaitra@gmail.com
#
# SPDX-License-Identifier: GPL-3.0-or-later
# Repository url : https://github.com/TheAhumMaitra/cautious-waddle
require() {
command -v "$1" >/dev/null 2>&1 || {
printf '%s\n' "Missing dependency: $1" >&2
exit 127
}
}
require wallust
require rofi
# notify-send is optional
have_notify() { command -v notify-send >/dev/null 2>&1; }
# Prompt for theme; guard -e on cancel
set +e
choice="$(wallust theme list \
| sed -e '1d' -e 's/^- //' \
| rofi -dmenu -i -p 'Select Global Theme')"
prompt_status=$?
set -e
# Exit cleanly on cancel or empty selection
if (( prompt_status != 0 )) || [[ -z "${choice}" ]]; then
exit 0
fi
# Record time before applying so we can wait for fresh template outputs
start_ts=$(date +%s)
# Apply the theme and report result
if wallust theme -- "${choice}"; then
have_notify && notify-send -a ThemeChanger \
-h string:x-dunst-stack-tag:themechanger \
"Global theme changed" "Selected: ${choice}"
# Wait until template targets exist, are newer than start_ts, and are stable (size/mtime stops changing)
targets=(
"$HOME/.config/waybar/wallust/colors-waybar.css"
"$HOME/.config/rofi/wallust/colors-rofi.rasi"
"$HOME/.config/kitty/kitty-themes/01-Wallust.conf"
)
# Phase 1: appearance + freshness
for _ in $(seq 1 100); do # up to ~10s
ok=1
for f in "${targets[@]}"; do
[ -s "$f" ] || { ok=0; break; }
mtime=$(stat -c %Y "$f" 2>/dev/null || echo 0)
[ "$mtime" -ge "$start_ts" ] || { ok=0; break; }
done
[ $ok -eq 1 ] && break
sleep 0.1
done
# Phase 2: stability (avoid reading half-written files)
if [ $ok -eq 1 ]; then
for _ in 1 2 3; do
sizes_a=(); mtimes_a=()
for f in "${targets[@]}"; do
sizes_a+=("$(stat -c %s "$f" 2>/dev/null || echo 0)")
mtimes_a+=("$(stat -c %Y "$f" 2>/dev/null || echo 0)")
done
sleep 0.15
sizes_b=(); mtimes_b=()
for f in "${targets[@]}"; do
sizes_b+=("$(stat -c %s "$f" 2>/dev/null || echo 0)")
mtimes_b+=("$(stat -c %Y "$f" 2>/dev/null || echo 0)")
done
if [ "${sizes_a[*]}" = "${sizes_b[*]}" ] && [ "${mtimes_a[*]}" = "${mtimes_b[*]}" ]; then
break
fi
done
else
# As a safety net, wait a bit to avoid racing rofi reload against template writes
sleep 0.5
fi
# Small cushion before refresh to mirror wallpaper flow
sleep 0.2
# Refresh bars/menus after files are ready
if [ -x "$HOME/.config/hypr/scripts/Refresh.sh" ]; then
"$HOME/.config/hypr/scripts/Refresh.sh" >/dev/null 2>&1 || true
else
if command -v waybar-msg >/dev/null 2>&1; then
waybar-msg cmd reload >/dev/null 2>&1 || true
else
pkill -SIGUSR2 waybar >/dev/null 2>&1 || true
fi
fi
# Ask kitty to reload its config so the new 01-Wallust.conf is picked up
if pidof kitty >/dev/null; then
for pid in $(pidof kitty); do kill -SIGUSR1 "$pid" 2>/dev/null || true; done
fi
else
have_notify && notify-send -u critical -a ThemeChanger \
-h string:x-dunst-stack-tag:themechanger \
"Failed to apply theme" "${choice}"
exit 1
fi
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