Black window LC_CTYPE environment variable
virgilhuxley opened this issue · comments
Description
Problem
When performing a cargo run with env var LC_CTYPE set to an empty string, the window that spawns is blank.
No music plays.
Some Bevy systems still execute during this failure state.
Workaround
LC_CTYPE seems to be an environment variable that accompanies tmux terminal sessions.
Simply running unset LC_CTYPE is enough to get around this limitation
To Reproduce
run: LC_CTYPE="" cargo run
Expected Behavior
(Best guess): The logic that handles for LC_CTYPE when it is unset needs to account for a scenario where it is set, but set to an empty string.
Additional Context
System used
Linux, X11, gnome desktop, kernel 5.15.53-1-MANJARO
# System installed on ~2022-02 with latest x86 Manjaro
ID=manjaro
ID_LIKE=arch
BUILD_ID=rolling
PRETTY_NAME="Manjaro Linux"
rustup show (some information redacted)
Default host: x86_64-unknown-linux-gnu
installed toolchains
--------------------
stable-x86_64-unknown-linux-gnu (default)
nightly-x86_64-unknown-linux-gnu
1.61-x86_64-unknown-linux-gnu
installed targets for active toolchain
--------------------------------------
wasm32-unknown-unknown
x86_64-unknown-linux-gnu
active toolchain
----------------
stable-x86_64-unknown-linux-gnu
rustc 1.62.1 (e092d0b6b 2022-07-16)
Log Messages
(Nothing too interesting)
$ cargo run
Finished dev [optimized + debuginfo] target(s) in 0.14s
Running `target/debug/punchy`
2022-07-21T05:36:21.782424Z INFO winit::platform_impl::platform::x11::window: Guessed window scale factor: 1
2022-07-21T05:36:21.806092Z INFO bevy_render::renderer: AdapterInfo { name: "AMD RADV VEGA10", vendor: 4098, device: 26751, device_type: DiscreteGpu, backend: Vulkan }
2022-07-21T05:36:21.881985Z INFO gilrs_core::platform::platform::gamepad: Gamepad /dev/input/event7 (ASRock LED Controller) connected.
2022-07-21T05:36:21.884767Z WARN bevy_asset::asset_server: encountered an error while loading an asset: Parser error: The given language subtag is invalid
2022-07-21T05:36:21.885567Z INFO bevy_input::gamepad: Gamepad(0) Connected
The line
2022-07-21T05:36:21.884767Z WARN bevy_asset::asset_server: encountered an error while loading an asset: Parser error: The given language subtag is invalid
is not present when using the workaround.
It seems that ultimately, the error (warning) is raised from the unic-langid crate (a dependency of the bevy_fluent dependency). See here.
I haven't checked what actually causes that, though.
Interesting! Thanks for the report. Can you post the value of the LC_CTYPE environment variable?