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The previous method of removing `--change-mode` from the argument list used a
string (`NEW_ARGS`) and `eval set -- $NEW_ARGS` to reconstruct the positional
parameters. This was both unsafe and incorrect.
Because `NEW_ARGS` was built using quoted literal `$arg` strings instead of the
actual values, it resulted in all filtered arguments being set to the same last
value of `$arg`. This caused `getopts` to receive incorrect input and silently
fail to parse options like `-p` and `-f`, leading to broken behavior and unset
variables (e.g., `ESPTOOL_CMD` never got a port).
This patch rewrites the logic to use an array (`NEW_ARGS+=("$arg")`), and
resets positional parameters via `set -- "${NEW_ARGS[@]}"`. This preserves
argument integrity and avoids the unsafe use of `eval`.
Example of the broken behavior before this fix:
./device-update.sh -p /dev/ttyACM0 -f firmware.bin
Resulted in:
set -- firmware.bin firmware.bin firmware.bin firmware.bin
Now:
set -- -p /dev/ttyACM0 -f firmware.bin
as expected.
Signed-off-by: Neil Hanlon <neil@shrug.pw>
Meshtastic Firmware
Overview
This repository contains the official device firmware for Meshtastic, an open-source LoRa mesh networking project designed for long-range, low-power communication without relying on internet or cellular infrastructure. The firmware supports various hardware platforms, including ESP32, nRF52, RP2040/RP2350, and Linux-based devices.
Meshtastic enables text messaging, location sharing, and telemetry over a decentralized mesh network, making it ideal for outdoor adventures, emergency preparedness, and remote operations.
Get Started
- 🔧 Building Instructions – Learn how to compile the firmware from source.
- ⚡ Flashing Instructions – Install or update the firmware on your device.
Join our community and help improve Meshtastic! 🚀
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