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backlight: run without a backlight device instead of panicking (0.4.3)
Release / package (x86_64, /var/local/cargo-target/iris-cargo-home, bare, /usr/bin/sccache, /var/local/rustup, /var/local/cargo-target) (push) Successful in 43s
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Release / package (aarch64, , aarch64, , , ) (push) Successful in 2m20s
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A config carrying a !backlight widget on a machine with nothing under
/sys/class/backlight (a laptop config on a desktop) hit
expect("did not find backlight device") in Backlight::new, which with
panic = "abort" killed wldash before a window appeared.

The device path is now Option<PathBuf>. A missing device, or a
configured `device` name that does not exist, prints one line on stderr
and leaves the widget in place so layout indices stay aligned: it
renders empty, skips sysfs reads and writes, and ignores clicks.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
Bendik Aagaard Lynghaug
2026-10-05 13:54:13 +02:00
co-authored by Claude Fable 5.1
parent 63179b9c47
commit 4f055935d4
5 changed files with 50 additions and 14 deletions
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PKGBUILD
+1 -1
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@@ -4,7 +4,7 @@
# project.uhhm.no (namespace bl). pkgver is the version; the tag has
# to agree with it and with Cargo.toml.
pkgname=wldash
pkgver=0.4.2
pkgver=0.4.3
pkgrel=1
pkgdesc="Dashboard/launcher/control-panel for wlroots-style Wayland compositors (layer-shell)"
arch=('x86_64' 'aarch64')