feat(branding): restore the boot splash, SDDM theme, and greeter background

Neither the Plymouth theme nor the login/lock theming was ever installed by a
restore, so a rebuilt box came up with stock distro branding.

bin/boot-branding.sh installs all three, and the desktop stage of
restore-linux.sh calls it. Each block self-skips when its greeter is absent or
already current, so it is cheap to re-run and works whether the box boots
lightdm or SDDM:

- Plymouth: a real copy under /usr/share/plymouth/themes, not a symlink into
  the user home. The stock initramfs hook copies the theme path verbatim, so a
  symlink into an unmounted home dangles at early boot and Plymouth drops to
  text mode -- which is what assets/boot/initramfs-hook-my-custom-logo existed
  to work around. With a real copy that hook is unnecessary.
- SDDM: the NexusOS-QML theme, selected via /etc/sddm.conf.d.
- slick-greeter: cannot lay out a custom login screen, so the logo and wordmark
  are baked into assets/themes/greeter/greeter-background.svg and its own
  centered login box lands underneath.

Main.qml now loads background.png instead of background.svg. QtSvg implements
SVG Tiny 1.2, which has no <pattern>, so the brushed-metal and machine-line
textures silently dropped out at runtime. librsvg renders them, so the SVG is
rasterized at 1920x1200 and committed alongside it; the regeneration command is
in the comment above the source: line.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

This commit is contained in:

janvanwan

2026-08-18 14:31:11 -05:00

co-authored by

Claude Opus 5

parent 5294ab7c78

commit f46e53de15

5 changed files with 187 additions and 2 deletions

assets/themes/greeter/greeter-background.svg

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