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Replace grub configs in place if available, preserves their position in file

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This commit is contained in:
Stuart Hayhurst 2020-10-18 10:32:36 +01:00
parent 7d6e1da838
commit c38a3261a5
1 changed files with 19 additions and 9 deletions
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26
install.sh
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@ -162,21 +162,31 @@ install() {
# Backup grub config
cp -an /etc/default/grub /etc/default/grub.bak
grep "GRUB_THEME=" /etc/default/grub 2>&1 >/dev/null && sed -i '/GRUB_THEME=/d' /etc/default/grub
grep "GRUB_GFXMODE=" /etc/default/grub 2>&1 >/dev/null && sed -i '/GRUB_GFXMODE=/d' /etc/default/grub
# Edit grub config
if grep "GRUB_THEME=" /etc/default/grub 2>&1 >/dev/null; then
#Replace GRUB_THEME
sed -i "s|.*GRUB_THEME=.*|GRUB_THEME=\"${THEME_DIR}/${name}/theme.txt\"|" /etc/default/grub
else
#Append GRUB_THEME
echo "GRUB_THEME=\"${THEME_DIR}/${name}/theme.txt\"" >> /etc/default/grub
fi
# Make sure set the right resolution for grub
if [[ ${screen} == '1080p' ]]; then
echo "GRUB_GFXMODE=1920x1080,auto" >> /etc/default/grub
gfxmode="GRUB_GFXMODE=1920x1080,auto"
elif [[ ${screen} == '1080p_21:9' ]]; then
echo "GRUB_GFXMODE=2560x1080,auto" >> /etc/default/grub
gfxmode="GRUB_GFXMODE=2560x1080,auto"
elif [[ ${screen} == '4k' ]]; then
echo "GRUB_GFXMODE=3840x2160,auto" >> /etc/default/grub
gfxmode="GRUB_GFXMODE=3840x2160,auto"
elif [[ ${screen} == '2k' ]]; then
echo "GRUB_GFXMODE=2560x1440,auto" >> /etc/default/grub
gfxmode="GRUB_GFXMODE=2560x1440,auto"
fi
if grep "GRUB_GFXMODE=" /etc/default/grub 2>&1 >/dev/null; then
#Replace GRUB_GFXMODE
sed -i "s|.*GRUB_GFXMODE=.*|${gfxmode}|" /etc/default/grub
else
#Append GRUB_GFXMODE
echo "${gfxmode}" >> /etc/default/grub
fi
# Update grub config