317 lines
15 KiB
Bash
Executable File
317 lines
15 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Smart Home Touch-Panel ISO Builder
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# Target: builds a Debian 12 (Bookworm) live ISO on a Debian/Ubuntu build machine
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#
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# Drives `lb config && lb build` over hosts/touch-panel/live-build/ to produce the
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# Sway touch-panel image described in docs/project-plan.md Phase 16:
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# - greetd autologin straight into a kiosk Sway session (no greeter UI)
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# - touchpanel-agent (Python, systemd) — HA MQTT-discovery entities + swaymsg control
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# - workspaces 1:spotify (full Spotify GUI, Flathub) / 2:home (Chromium kiosk
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# pointed at Home Assistant) / 3:web (general Firefox browsing)
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# - an always-visible eww touch dock for on-screen app switching
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# - a toggleable on-screen keyboard (wvkbd)
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#
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# Reuses hosts/thin-client's own live-build toolchain and directory-split convention,
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# NOT its live-build tree — this is a different device (touched directly, not
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# remote-controlled from the couch) with a different app set, so it gets its own
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# smaller config/, agent/, and live-build/, same relationship as
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# hosts/audio-endpoint's amd64 build to the thin client's.
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#
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# This script is also the single point that keeps configs/ (the human-edited source of
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# truth, reviewed in git) in sync with live-build/config/includes.chroot/ (the
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# generated tree that actually gets baked into the image). Never hand-edit anything
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# under includes.chroot — it is wiped and regenerated on every run.
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#
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# Run as: sudo -E tools/build-touch-panel-iso.sh [hostname]
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#
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# Configuration comes from CoreSystemConfig.json — see tools/README.md.
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set -euo pipefail
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# ---------------------------------------------------------------------------
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# CONFIGURATION — comes from CoreSystemConfig.json, NOT from this file.
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#
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# There is nothing to edit here any more. Every value below is read from the one
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# config at the repo root, so an address or token can only be wrong in a single
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# place. Change it there and rebuild; see tools/README.md.
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#
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# sudo -E tools/build-touch-panel-iso.sh # the only touch-panel in the config
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# sudo -E tools/build-touch-panel-iso.sh <hostname> # a specific one, if several are defined
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#
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# The build refuses to start if the config is invalid (validate-config.py runs first),
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# so a typo costs seconds rather than a 40-minute build and a reboot.
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# ---------------------------------------------------------------------------
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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# shellcheck source=lib/coreconfig.sh
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source "${SCRIPT_DIR}/lib/coreconfig.sh"
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core_select_kiosk "touch-panel" "${1:-}"
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# Mapped onto this script's existing variable names, so everything below is unchanged
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# from when these were hand-edited constants.
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DEBIAN_RELEASE="$CORE_DEBIAN_RELEASE"
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KIOSK_USERNAME="$CORE_KIOSK_USERNAME"
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IMAGE_HOSTNAME="$CORE_KIOSK_HOSTNAME"
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KEYBOARD_LAYOUT="$CORE_KEYBOARD_LAYOUT"
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ENABLE_INSTALLER="$CORE_KIOSK_ENABLE_INSTALLER"
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MQTT_BROKER_HOST="$CORE_MQTT_BROKER_HOST"
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MQTT_BROKER_PORT="$CORE_MQTT_BROKER_PORT"
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MQTT_USERNAME="$CORE_MQTT_USERNAME"
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MQTT_PASSWORD="$CORE_MQTT_PASSWORD"
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SSH_AUTHORIZED_KEY="$CORE_SSH_AUTHORIZED_KEY"
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ENABLE_VOICE_SATELLITE="$CORE_KIOSK_VOICE_SATELLITE"
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VOICE_SATELLITE_NAME="$CORE_KIOSK_FRIENDLY_NAME"
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VOICE_WAKE_WORD="$CORE_KIOSK_WAKE_WORD"
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TOUCHPANEL_NAME="$CORE_KIOSK_FRIENDLY_NAME"
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HA_URL="$CORE_HA_URL"
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# ---------------------------------------------------------------------------
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# Paths — this script now lives in tools/, so the host directory it drives is
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# addressed from the repo root rather than relative to the script.
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# ---------------------------------------------------------------------------
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TOUCH_PANEL_DIR="${CORE_REPO_ROOT}/hosts/touch-panel"
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CONFIGS_DIR="${TOUCH_PANEL_DIR}/configs"
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AGENT_DIR="${TOUCH_PANEL_DIR}/agent"
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LIVE_BUILD_DIR="${TOUCH_PANEL_DIR}/live-build"
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INCLUDES="${LIVE_BUILD_DIR}/config/includes.chroot"
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PACKAGE_LIST="${LIVE_BUILD_DIR}/config/package-lists/touch-panel.list.chroot"
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# ---------------------------------------------------------------------------
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# Sanity checks
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# ---------------------------------------------------------------------------
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if [[ $EUID -ne 0 ]]; then
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echo "Warning: not running as root. 'lb build' needs root to bootstrap and chroot,"
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echo " and will fail partway through. Re-run with: sudo $0"
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echo " Continuing anyway so you can at least regenerate includes.chroot..."
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fi
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if ! grep -qi "debian\|ubuntu" /etc/os-release; then
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echo "Warning: live-build targets a Debian/Ubuntu build host. Proceeding anyway..."
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fi
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if ! command -v lb &> /dev/null; then
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if [[ $EUID -eq 0 ]]; then
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echo "--- Installing live-build ---"
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apt-get update
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apt-get install -y live-build
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else
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echo "live-build is not installed and this script is not running as root." >&2
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echo " Install it first: sudo apt-get install live-build" >&2
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exit 1
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fi
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else
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echo "--- live-build already installed, skipping ---"
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fi
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if [[ ! -f "$PACKAGE_LIST" ]]; then
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echo "Missing package list: $PACKAGE_LIST" >&2
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exit 1
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fi
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echo
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echo "=== Smart Home Touch-Panel ISO Builder ==="
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echo "Debian release : $DEBIAN_RELEASE"
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echo "Kiosk user : $KIOSK_USERNAME"
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echo "Image hostname : $IMAGE_HOSTNAME"
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echo "MQTT broker : ${MQTT_BROKER_HOST}:${MQTT_BROKER_PORT}"
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echo "Home Assistant : $HA_URL"
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echo "Keyboard layout : $KEYBOARD_LAYOUT"
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echo
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# ---------------------------------------------------------------------------
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# 1. Regenerate includes.chroot from configs/ and agent/
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# ---------------------------------------------------------------------------
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echo "--- Regenerating $INCLUDES ---"
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rm -rf "$INCLUDES"
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mkdir -p \
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"$INCLUDES/etc/greetd" \
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"$INCLUDES/etc/touchpanel-agent" \
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"$INCLUDES/etc/firefox/policies" \
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"$INCLUDES/etc/touchpanel-firefox" \
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"$INCLUDES/etc/udev/rules.d" \
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"$INCLUDES/usr/local/bin" \
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"$INCLUDES/opt/touchpanel-agent" \
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"$INCLUDES/home/${KIOSK_USERNAME}/.config/sway" \
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"$INCLUDES/home/${KIOSK_USERNAME}/.config/eww" \
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"$INCLUDES/home/${KIOSK_USERNAME}/.ssh"
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# @KIOSK_USERNAME@ and @KEYBOARD_LAYOUT@ are the only templated tokens in the configs.
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# Everything else the hooks need is read at build time from
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# /etc/touchpanel-agent/config.env (written below), which live-build copies in
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# (chroot_local-includes) before it runs the hooks (chroot_local-hooks).
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subst() {
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sed -e "s/@KIOSK_USERNAME@/${KIOSK_USERNAME}/g" \
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-e "s/@KEYBOARD_LAYOUT@/${KEYBOARD_LAYOUT}/g" "$1" > "$2"
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}
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subst "${CONFIGS_DIR}/greetd/config.toml" "$INCLUDES/etc/greetd/config.toml"
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subst "${CONFIGS_DIR}/sway/config" "$INCLUDES/home/${KIOSK_USERNAME}/.config/sway/config"
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subst "${AGENT_DIR}/touchpanel-agent.service" "$INCLUDES/opt/touchpanel-agent/touchpanel-agent.service"
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install -m 0755 "${CONFIGS_DIR}/greetd/kiosk-session" "$INCLUDES/usr/local/bin/kiosk-session"
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install -m 0755 "${CONFIGS_DIR}/sway/ha-kiosk" "$INCLUDES/usr/local/bin/ha-kiosk"
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install -m 0755 "${CONFIGS_DIR}/spotify/spotify-launch" "$INCLUDES/usr/local/bin/spotify-launch"
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install -m 0755 "${CONFIGS_DIR}/keyboard/toggle-keyboard" "$INCLUDES/usr/local/bin/toggle-keyboard"
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# Touchscreen misclassification override (inert 0000:0000 template until the real
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# hardware's vendor/product ID is filled in — see that file's own setup steps).
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install -m 0644 "${CONFIGS_DIR}/udev/99-touchscreen-override.rules" \
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"$INCLUDES/etc/udev/rules.d/99-touchscreen-override.rules"
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# Console (VT/TTY) keymap — separate from Sway's own xkb_layout, since greetd briefly
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# owns the console before Sway starts.
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mkdir -p "$INCLUDES/etc/default"
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cat > "$INCLUDES/etc/default/keyboard" <<EOF
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XKBMODEL="pc105"
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XKBLAYOUT="${KEYBOARD_LAYOUT}"
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XKBVARIANT=""
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XKBOPTIONS=""
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BACKSPACE="guess"
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EOF
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# Touch dock (eww) — session-scoped files under the kiosk user's own config.
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install -m 0644 "${CONFIGS_DIR}/eww/eww.yuck" "$INCLUDES/home/${KIOSK_USERNAME}/.config/eww/eww.yuck"
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install -m 0644 "${CONFIGS_DIR}/eww/eww.scss" "$INCLUDES/home/${KIOSK_USERNAME}/.config/eww/eww.scss"
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# Firefox: the general-browsing window launcher, plus the shared chrome/prefs template
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# it copies into its own profile at launch. policies.json is global and goes straight
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# into includes.chroot.
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install -m 0755 "${CONFIGS_DIR}/firefox/web-browser" "$INCLUDES/usr/local/bin/web-browser"
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install -m 0644 "${CONFIGS_DIR}/firefox/policies.json" "$INCLUDES/etc/firefox/policies/policies.json"
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install -m 0644 "${CONFIGS_DIR}/firefox/userChrome.css" "$INCLUDES/etc/touchpanel-firefox/userChrome.css"
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install -m 0644 "${CONFIGS_DIR}/firefox/user.js" "$INCLUDES/etc/touchpanel-firefox/user.js"
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cp -r "${AGENT_DIR}/touchpanel_agent" "$INCLUDES/opt/touchpanel-agent/"
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install -m 0644 "${AGENT_DIR}/requirements.txt" "$INCLUDES/opt/touchpanel-agent/requirements.txt"
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find "$INCLUDES/opt/touchpanel-agent" -name '__pycache__' -type d -prune -exec rm -rf {} +
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if [[ -n "$SSH_AUTHORIZED_KEY" ]]; then
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echo "$SSH_AUTHORIZED_KEY" > "$INCLUDES/home/${KIOSK_USERNAME}/.ssh/authorized_keys"
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chmod 600 "$INCLUDES/home/${KIOSK_USERNAME}/.ssh/authorized_keys"
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echo " Baked an SSH authorized_keys entry for ${KIOSK_USERNAME}."
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else
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echo " No SSH_AUTHORIZED_KEY set — SSH admin access will not be possible on this image."
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fi
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# ---------------------------------------------------------------------------
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# 2. Runtime config, read by touchpanel-agent, the sway session wrapper, and hooks
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# ---------------------------------------------------------------------------
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echo "--- Writing /etc/touchpanel-agent/config.env into includes.chroot ---"
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cat > "$INCLUDES/etc/touchpanel-agent/config.env" <<EOF
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# Generated by tools/build-touch-panel-iso.sh — do not hand-edit
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# here; change CoreSystemConfig.json at the repo root and rebuild.
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KIOSK_USERNAME=${KIOSK_USERNAME}
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TOUCHPANEL_NAME=${TOUCHPANEL_NAME}
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MQTT_BROKER_HOST=${MQTT_BROKER_HOST}
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MQTT_BROKER_PORT=${MQTT_BROKER_PORT}
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MQTT_USERNAME=${MQTT_USERNAME}
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MQTT_PASSWORD=${MQTT_PASSWORD}
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HA_URL=${HA_URL}
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EOF
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chmod 0644 "$INCLUDES/etc/touchpanel-agent/config.env"
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# ---------------------------------------------------------------------------
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# 3. lb config
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# ---------------------------------------------------------------------------
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cd "$LIVE_BUILD_DIR"
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chmod +x config/hooks/normal/*.hook.chroot
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if [[ -e .build ]]; then
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echo "--- Previous build found, running 'lb clean' (package cache is kept) ---"
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lb clean
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fi
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INSTALLER_MODE="none"
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if [[ "$ENABLE_INSTALLER" == "true" ]]; then
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INSTALLER_MODE="live"
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fi
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echo "--- Running lb config ---"
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lb config \
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--distribution "$DEBIAN_RELEASE" \
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--architectures amd64 \
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--linux-flavours amd64 \
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--archive-areas "main contrib non-free-firmware" \
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--binary-images iso-hybrid \
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--debian-installer "$INSTALLER_MODE" \
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--iso-application "SmartestHome Touch Panel" \
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--iso-publisher "SmartestHome" \
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--iso-volume "smarthome-touch-panel" \
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--memtest none \
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--bootappend-live "boot=live components quiet splash noautologin username=${KIOSK_USERNAME} hostname=${IMAGE_HOSTNAME}"
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# ---------------------------------------------------------------------------
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# 4. lb build
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# ---------------------------------------------------------------------------
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echo "--- Running lb build (this takes a while and needs network) ---"
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lb build
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ISO_PATH="$(find "$LIVE_BUILD_DIR" -maxdepth 1 -name '*.iso' -print -quit)"
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ISO_PATH="${ISO_PATH:-${LIVE_BUILD_DIR}/live-image-amd64.hybrid.iso}"
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echo
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echo "=== Done ==="
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echo "ISO written to:"
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echo " ${ISO_PATH}"
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echo
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echo "What's in it:"
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echo " greetd : autologin as '${KIOSK_USERNAME}' straight into Sway on vt1"
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echo " Sway : workspaces 1:spotify / 2:home / 3:web, always-on touch dock"
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echo " touchpanel-agent : system service, MQTT ${MQTT_BROKER_HOST}:${MQTT_BROKER_PORT}"
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echo " Spotify : full GUI client (Flathub com.spotify.Client), workspace 1"
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echo " Home Assistant : Chromium kiosk, ${HA_URL}, workspace 2, auto-restart-on-crash"
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echo " Web browser : Firefox, minimal chrome, uBlock Origin + SponsorBlock, workspace 3"
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echo " Touch dock : bottom bar (eww) — Spotify / Home / Web / Keyboard buttons"
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echo " On-screen keyboard: wvkbd, toggled from the dock's Keyboard button"
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echo " Touchscreen input : native wl_touch preferred; degrades to a usable"
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echo " single-touch/click-drag pointer if the hardware reports"
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echo " as an emulated-mouse HID device instead — see README.md"
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echo " '99-touchscreen-override.rules' to fix it properly once"
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echo " the real hardware's USB vendor/product ID is known"
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echo " Keyboard layout : ${KEYBOARD_LAYOUT} (console + Sway)"
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echo " Maintenance shell : Super+Shift+Ctrl+M opens a floating terminal locally"
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echo " Remote admin : SSH only — no wayvnc on this image, see README"
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echo
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echo "Next steps:"
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echo " 1. Write the ISO to a USB stick:"
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echo " sudo dd if=${ISO_PATH} of=/dev/sdX bs=4M status=progress oflag=sync"
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echo " (double-check /dev/sdX with 'lsblk' first — dd will happily eat the wrong disk)"
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echo " 2. Boot the target touchscreen machine from it. No touch-panel hardware has been"
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echo " chosen yet (see the README) — check which way libinput classified the"
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echo " touchscreen: libinput list-devices | grep -A2 Capabilities"
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echo " If it says 'touch', full multi-touch works out of the box. If it says"
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echo " 'pointer' instead, taps still work (single-touch click) via the fallback"
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echo " input config, but fill in configs/udev/99-touchscreen-override.rules with"
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echo " the device's real USB vendor/product ID and rebuild for the real fix —"
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echo " see that file's own setup steps and the README."
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echo " 3. Confirm greetd autologin lands in Sway: dark background, the touch dock at"
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echo " the bottom, and the Home Assistant kiosk window on workspace 2:home."
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echo " 4. Tap through the dock: Spotify (log in on first launch — Premium required),"
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echo " Home, Web."
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echo " 5. Confirm touchpanel-agent connected and registered:"
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echo " systemctl status touchpanel-agent"
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echo " In Home Assistant, a '${TOUCHPANEL_NAME}' device should appear under the MQTT"
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echo " integration with: Show Spotify / Show Home / Show web browser (buttons),"
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echo " Screen (select), Volume (number), Playback state (sensor), and"
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echo " play/pause/next/prev/stop buttons."
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echo " 6. Start something in Spotify and confirm Playback state follows it (playerctl"
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echo " -> touchpanel-agent's MPRIS bridge — needs Spotify's own MPRIS bus name to"
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echo " actually be 'spotify', unverified against the real Flatpak build)."
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echo " 7. Tap the dock's Keyboard button over a text field (Spotify search, the browser"
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echo " address bar) and confirm wvkbd shows/hides. There is no auto-show — see README."
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echo
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echo "Then pull the power on the container host and re-check: the panel must still boot"
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echo "and show Spotify/the browser (Home will show a connection error, which is"
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echo "expected) with the container host powered off — same reactive-path philosophy as"
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echo "hosts/thin-client's Phase 11.10."
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echo
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echo "Rebuilding later: edit hosts/touch-panel/configs/* or agent/*, then re-run this"
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echo "script — includes.chroot is regenerated from them every time."
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