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binary_syslinux: Do not modify grub theme.txt if grub/splash.png exists 

If grub/splash.png exists, assume the configuration editor intends
to have a grub-specific splash.png, and do not modify theme.txt.
But if syslinux has the only known splash.png, use it for both
syslinux and grub.

(This allows for a hybrid image where the grub side can have e.g. a
16:9 1920x1080 splash.png which gets grub is capable of automatically
scaling, while the syslinux side has a 640x480 splash.png which
effectively must be this fixed size.)
This commit is contained in:
Ryan Finnie 2021-01-30 21:58:09 -08:00
parent dc1a03d053
commit 5c838744d6
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1 changed files with 2 additions and 2 deletions
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4
scripts/build/binary_syslinux
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@ -313,8 +313,8 @@ then
fi
rm -f "${_TARGET}/splash.svg"
# Tweak the grub theme to reuse the syslinux background image
if [ -e binary/boot/grub/live-theme/theme.txt ]; then
# Tweak the grub theme to reuse the syslinux background image if grub doesn't have its own
if [ -e binary/boot/grub/live-theme/theme.txt ] && [ ! -e binary/boot/grub/splash.png ]; then
sed -i -e 's|^desktop-image:.*|desktop-image: "/isolinux/splash.png"|' \
-e 's|^title-text:.*|title-text: ""|' \
binary/boot/grub/live-theme/theme.txt