Refactor first-boot script and documentation to remove rpi-eeprom handling
Eliminate the rpi-eeprom configuration steps from the first-boot script, simplifying the installation process. Update the documentation to clarify that the EEPROM boot order is now set via the dashboard or manually, rather than during first boot. Adjust package installation logs to reflect the removal of rpi-eeprom and ensure clarity in the installation process. Enhance overall documentation to guide users on the new EEPROM update methods.
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nearxos
@@ -9,7 +9,7 @@ This script runs once on first boot via cloud-init (see `user-data-remote-gnss.e
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1. **Constants** — `FILE_SERVER`, `PI_USER`, paths, log file.
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2. **Logging** — All output tee’d to `/var/log/first-boot.log`.
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3. **Helpers** — `install_oneshot(name)` downloads `${name}.sh` from the file server and installs it as a one-shot autostart (runs once at pi’s first login, then deletes itself).
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4. **Packages** — git, Chromium, wmctrl, SSH, swaybg, wlr-randr, maliit, xinput-calibrator, rpi-eeprom.
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4. **Packages** — git, Chromium, wmctrl, SSH, swaybg, wlr-randr, maliit, xinput-calibrator.
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5. **Kiosk files** — Download `start-chromium.sh` and `chromium-kiosk.desktop`; create autostart dir.
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6. **Boot splash and wallpaper** — Download `splash.png`; install Plymouth custom theme; copy image for LightDM and desktop.
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7. **LightDM** — Download `99-default-session.conf` (rpd-labwc) and `99-wallpaper.conf` to `/etc/lightdm/lightdm.conf.d/`.
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@@ -17,10 +17,8 @@ This script runs once on first boot via cloud-init (see `user-data-remote-gnss.e
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9. **reTerminal DM drivers** — Seeed repo clone and `reTerminal.sh`.
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10. **Re-apply splash** — Set `disable_splash=0`, Plymouth theme to `custom` only, `update-initramfs`.
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11. **Dark theme** — Set GTK dark theme for user `pi`: `~/.config/gtk-3.0/settings.ini` with `gtk-application-prefer-dark-theme=1` and `gtk-theme-name=PiXnoir` (Raspberry Pi OS dark theme).
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12. **CM4 EEPROM enable** — On CM4, `rpi-eeprom-update` is disabled by default. First-boot enables it by adding `RPI_EEPROM_USE_FLASHROM=1` and `CM4_ENABLE_RPI_EEPROM_UPDATE=1` to `/etc/default/rpi-eeprom-update`. **No config.txt changes are needed** — `dtoverlay=audremap`/`dtoverlay=spi-gpio40-45` are for the flashrom method only and **must not be added** as they conflict with the reTerminal DM display backlight (GPIO13 PWM). The bootloader method (`pieeprom.upd`) is used instead.
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13. **Boot order** — If `rpi-eeprom-config` is available, set `BOOT_ORDER=0xf21` (eMMC first, then network, then restart). Also sets `NET_BOOT_MAX_RETRIES=3`, `DHCP_TIMEOUT=1500`, `DHCP_REQ_TIMEOUT=500`, `NET_INSTALL_AT_POWER_ON=0` so network boot fails fast when no TFTP server is available. On CM4 first boot this may be skipped (EEPROM not yet enabled); a one-shot systemd service runs after reboot to set boot order once.
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14. **One-shots** — Download `set-rotation-once.sh` + `.desktop` from file server (wlr-randr for labwc). Wallpaper is set once via pcmanfm config during first-boot.
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15. **Reboot.**
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12. **One-shots** — Download `set-rotation-once.sh` + `.desktop` from file server (wlr-randr for labwc). Wallpaper is set once via pcmanfm config during first-boot.
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13. **Reboot.**
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---
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@@ -55,7 +53,6 @@ Installs the software needed for the rest of the script and for the kiosk:
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| **wlr-randr** | Display rotation for wlroots/labwc; one-shot sets “Left” (transform 270). |
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| **maliit-keyboard** | On-screen keyboard for touch input. |
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| **xinput-calibrator** | Touchscreen calibration (optional; run manually if needed). |
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| **rpi-eeprom** | EEPROM tools (`rpi-eeprom-update`, `rpi-eeprom-config`) for Pi 4/CM4 boot order (e.g. network first). |
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---
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@@ -133,13 +130,7 @@ The reTerminal DM default is portrait. Rotation is set **persistently** via the
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First-boot sets a dark GTK theme for user **pi** via **`~/.config/gtk-3.0/settings.ini`** with **`gtk-application-prefer-dark-theme=1`** and **`gtk-theme-name=PiXnoir`**. On older images use **Adwaita-dark** if PiXnoir is missing.
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## CM4: enable rpi-eeprom-update (for boot order)
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On **CM4**, first-boot enables `rpi-eeprom-update` by setting **`RPI_EEPROM_USE_FLASHROM=1`** and **`CM4_ENABLE_RPI_EEPROM_UPDATE=1`** in **`/etc/default/rpi-eeprom-update`**. **No dtparams are added to config.txt.** `dtoverlay=audremap` and `dtoverlay=spi-gpio40-45` are only needed for the *flashrom* (direct SPI) update method — they **must not** be added because `audremap` remaps audio to GPIO12/13, which conflicts with the reTerminal DM display backlight PWM on GPIO13, causing a blank screen. The bootloader file method (`pieeprom.upd`) works without these overlays. See: [usbboot](https://github.com/raspberrypi/usbboot/blob/master/Readme.md).
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## Boot order (eMMC first, then network)
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If **`rpi-eeprom-config`** and **`rpi-eeprom-update`** are present (Pi 4/CM4), the script sets the EEPROM **`BOOT_ORDER=0xf21`**: try **SD/eMMC** first (0x1), then **network** (0x2), then **restart** (0xf). Network boot settings are tuned for fast fallback: `NET_BOOT_MAX_RETRIES=3`, `DHCP_TIMEOUT=1500` (1.5s), `DHCP_REQ_TIMEOUT=500` (0.5s), `NET_INSTALL_AT_POWER_ON=0`. The device boots from eMMC normally; if eMMC is blank it tries network boot for re-provisioning but gives up quickly when no TFTP server is available. **Pi 4:** applied on first-boot; EEPROM update scheduled for next reboot. **CM4:** a one-shot service (**`set-cm4-boot-order-once.service`**) runs after the next boot and sets the boot order, then removes itself. If “Could not read current EEPROM config” appears, run `sudo rpi-eeprom-update -l` on the device to see if a firmware file is listed; you can set boot order manually with `rpi-eeprom-config` if needed. If the tools are not available, the step is skipped.
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## Reboot
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@@ -57,9 +57,9 @@ install_oneshot() {
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log "--- Installing packages ---"
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log "Running apt-get update ..."
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apt-get update -qq
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log "Installing: git chromium wmctrl openssh-server swaybg wlr-randr maliit-keyboard xinput-calibrator rpi-eeprom"
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log "Installing: git chromium wmctrl openssh-server swaybg wlr-randr maliit-keyboard xinput-calibrator"
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apt-get install -y -qq git chromium wmctrl openssh-server \
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swaybg wlr-randr maliit-keyboard xinput-calibrator rpi-eeprom
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swaybg wlr-randr maliit-keyboard xinput-calibrator
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log "Packages installed successfully"
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# --- 2. Dirs and kiosk files from file server ---
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@@ -197,101 +197,6 @@ if [[ -f "$CMDLINE_PATH" ]]; then
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fi
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fi
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# --- 6c. CM4: enable rpi-eeprom-update so boot order can be set ---
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# On CM4, rpi-eeprom-update is disabled by default. Enable it by setting flags in /etc/default/rpi-eeprom-update.
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# We use the bootloader method (pieeprom.upd file placed in /boot/firmware), NOT flashrom.
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# NOTE: Do NOT add dtoverlay=audremap or dtoverlay=spi-gpio40-45 to config.txt.
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# Those are only needed for the flashrom (direct SPI) method, and audremap CONFLICTS with
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# the reTerminal DM display backlight (both use GPIO13 PWM).
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# See: https://github.com/raspberrypi/usbboot , /etc/default/rpi-eeprom-update
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log "--- CM4 EEPROM update enable (for boot order) ---"
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EEPROM_DEFAULT="/etc/default/rpi-eeprom-update"
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if [[ ! -f "$EEPROM_DEFAULT" ]]; then
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touch "$EEPROM_DEFAULT"
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log "Created $EEPROM_DEFAULT"
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fi
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grep -q '^RPI_EEPROM_USE_FLASHROM=' "$EEPROM_DEFAULT" && sed -i 's/^RPI_EEPROM_USE_FLASHROM=.*/RPI_EEPROM_USE_FLASHROM=1/' "$EEPROM_DEFAULT" || echo 'RPI_EEPROM_USE_FLASHROM=1' >> "$EEPROM_DEFAULT"
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grep -q '^CM4_ENABLE_RPI_EEPROM_UPDATE=' "$EEPROM_DEFAULT" && sed -i 's/^CM4_ENABLE_RPI_EEPROM_UPDATE=.*/CM4_ENABLE_RPI_EEPROM_UPDATE=1/' "$EEPROM_DEFAULT" || echo 'CM4_ENABLE_RPI_EEPROM_UPDATE=1' >> "$EEPROM_DEFAULT"
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log "Set RPI_EEPROM_USE_FLASHROM=1 and CM4_ENABLE_RPI_EEPROM_UPDATE=1 in $EEPROM_DEFAULT"
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# --- 6d. Boot order: eMMC/SD first, then network, then restart (0xf21) ---
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# BOOT_ORDER nibbles (right-to-left): 1=SD/eMMC, 2=network (TFTP), f=restart loop.
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# On CM4, rpi-eeprom-update -l only works after reboot (once 6c is applied). So we try now; if it fails, a one-shot runs after next boot.
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log "--- Boot order (0xf21: eMMC/SD first, then network, restart) ---"
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BOOTCONF="/tmp/first-boot-eeprom-conf.txt"
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BOOT_ORDER_SET=0
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if command -v rpi-eeprom-config >/dev/null 2>&1 && command -v rpi-eeprom-update >/dev/null 2>&1; then
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if PEE="$(rpi-eeprom-update -l 2>/dev/null)" && [[ -n "$PEE" ]] && [[ -f "$PEE" ]]; then
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rpi-eeprom-config "$PEE" > "$BOOTCONF" 2>/dev/null || true
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fi
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if [[ -s "$BOOTCONF" ]]; then
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sed -i 's/^BOOT_ORDER=.*/BOOT_ORDER=0xf21/' "$BOOTCONF"
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grep -q '^BOOT_ORDER=' "$BOOTCONF" || echo 'BOOT_ORDER=0xf21' >> "$BOOTCONF"
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# Limit network boot: 3 retries, 1500ms DHCP timeout (fail fast to eMMC)
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sed -i '/^NET_BOOT_MAX_RETRIES=/d; /^DHCP_TIMEOUT=/d; /^DHCP_REQ_TIMEOUT=/d; /^TFTP_IP=/d; /^NET_INSTALL_AT_POWER_ON=/d' "$BOOTCONF"
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echo 'NET_BOOT_MAX_RETRIES=3' >> "$BOOTCONF"
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echo 'DHCP_TIMEOUT=1500' >> "$BOOTCONF"
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echo 'DHCP_REQ_TIMEOUT=500' >> "$BOOTCONF"
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echo 'NET_INSTALL_AT_POWER_ON=0' >> "$BOOTCONF"
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if rpi-eeprom-config --apply "$BOOTCONF" 2>/dev/null; then
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log "Boot order set to 0xf21 (eMMC first, then network, restart); EEPROM update scheduled for next reboot"
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@ BOOT_ORDER_SET=1
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else
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log "WARNING: rpi-eeprom-config --apply failed; boot order unchanged"
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fi
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else
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log "rpi-eeprom-update -l did not return a config (on CM4 this is normal until after reboot with 6c applied); scheduling one-shot to set boot order after next boot"
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fi
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rm -f "$BOOTCONF"
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else
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log "rpi-eeprom-config/rpi-eeprom-update not found; skipping boot order (not a Pi4/CM4 or package missing)"
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fi
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# If boot order was not set (e.g. CM4 first boot), install a one-shot systemd service to set it after reboot
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if [[ "$BOOT_ORDER_SET" -eq 0 ]] && command -v rpi-eeprom-config >/dev/null 2>&1 && command -v rpi-eeprom-update >/dev/null 2>&1; then
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ONCE_SCRIPT="/usr/local/bin/set-cm4-boot-order-once.sh"
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ONCE_SVC="/etc/systemd/system/set-cm4-boot-order-once.service"
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cat > "$ONCE_SCRIPT" << 'SETBOOTEOF'
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#!/bin/bash
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# One-shot: set BOOT_ORDER=0xf21 (eMMC first, then network) when rpi-eeprom-update becomes available (e.g. after CM4 enable and reboot).
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BOOTCONF="/tmp/eeprom-boot-order-once.txt"
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if PEE="$(rpi-eeprom-update -l 2>/dev/null)" && [[ -n "$PEE" ]] && [[ -f "$PEE" ]]; then
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rpi-eeprom-config "$PEE" > "$BOOTCONF" 2>/dev/null
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if [[ -s "$BOOTCONF" ]]; then
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sed -i 's/^BOOT_ORDER=.*/BOOT_ORDER=0xf21/' "$BOOTCONF"
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grep -q '^BOOT_ORDER=' "$BOOTCONF" || echo 'BOOT_ORDER=0xf21' >> "$BOOTCONF"
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sed -i '/^NET_BOOT_MAX_RETRIES=/d; /^DHCP_TIMEOUT=/d; /^DHCP_REQ_TIMEOUT=/d; /^TFTP_IP=/d; /^NET_INSTALL_AT_POWER_ON=/d' "$BOOTCONF"
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echo 'NET_BOOT_MAX_RETRIES=3' >> "$BOOTCONF"
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echo 'DHCP_TIMEOUT=1500' >> "$BOOTCONF"
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echo 'DHCP_REQ_TIMEOUT=500' >> "$BOOTCONF"
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echo 'NET_INSTALL_AT_POWER_ON=0' >> "$BOOTCONF"
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if rpi-eeprom-config --apply "$BOOTCONF" 2>/dev/null; then
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echo "Boot order set to 0xf21 (eMMC first, then network)"
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fi
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fi
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rm -f "$BOOTCONF"
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fi
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systemctl disable set-cm4-boot-order-once.service 2>/dev/null || true
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rm -f /etc/systemd/system/set-cm4-boot-order-once.service
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rm -f "$0"
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SETBOOTEOF
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chmod 755 "$ONCE_SCRIPT"
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cat > "$ONCE_SVC" << 'SVCEOF'
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[Unit]
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Description=Set CM4 boot order once (eMMC first, then network)
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After=multi-user.target
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[Service]
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Type=oneshot
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ExecStart=/usr/local/bin/set-cm4-boot-order-once.sh
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RemainAfterExit=no
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[Install]
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WantedBy=multi-user.target
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SVCEOF
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systemctl enable set-cm4-boot-order-once.service 2>/dev/null && log "Enabled set-cm4-boot-order-once.service to set boot order after next boot"
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fi
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# --- 7. One-shots (wallpaper already set in pcmanfm config above; rotation is via cmdline.txt) ---
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log "--- One-shot scripts (if any) ---"
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# Rotation is set persistently in cmdline.txt (video=DSI-1:rotate=90), not via one-shot script.
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