# Fixes and tweaks to make things easier for end-users

%post
# Need DNS available, so we'll hack it up real quick:
echo "nameserver 1.1.1.1" > /etc/resolv.conf

# switch default kernel package to the -lt variant:
echo -e "DEFAULTKERNEL=kernel-lt-core\nUPDATEDEFAULT=yes" > /etc/sysconfig/kernel


# Enable crb and extras by default
dnf config-manager --enable crb
dnf config-manager --enable extras
dnf config-manager --enable elrepo-kernel


# Filthy hack alert: Had DNS resolution issues when building in mock.  This is the "solution", for now:
echo "nameserver 1.1.1.1" > /etc/resolv.conf
curl -o /etc/yum.repos.d/nvidia.repo  https://developer.download.nvidia.com/compute/cuda/repos/rhel9/x86_64/cuda-rhel9.repo

cat > /etc/sysctl.d/80-i915-fix.conf <<EOF
# fix performance for newer integrated Intel i915 gfx: 
dev.i915.perf_stream_paranoid = 0
EOF

# Add flathub so Gnome Software shows all kinds of great apps:
mkdir -p /etc/flatpak/remotes.d
curl -o /etc/flatpak/remotes.d/flathub.flatpakrepo  https://dl.flathub.org/repo/flathub.flatpakrepo

# Install Google Chrome:
dnf -y install https://dl.google.com/linux/direct/google-chrome-stable_current_x86_64.rpm

# Initialize flathub + dnf metadata (attempt to make Software app faster first-boot):
flatpak remote-ls &> /dev/null
flatpak update
dnf -y makecache

pkcon refresh force -c -1 -v

# Enable dkms service:
systemctl enable dkms

# Visible char. marks for sudo:
echo "Defaults pwfeedback" > /etc/sudoers.d/50_feedback


# Make Anaconda install-to-disk icon visible in live environment:
sed -i 's/NoDisplay=true/#NoDisplay=true/' /usr/share/applications/anaconda.desktop
sed -i 's/NoDisplay=true/#NoDisplay=true/' /usr/share/applications/liveinst.desktop

# Nvidia:  double-check we have the latest dkms driver enabled and fully installed
dnf -y module install nvidia-driver:latest-dkms

# Anaconda config: tweak default partition options

cat <<'EOF' >> /etc/anaconda/conf.d/05-desktop-storage-default.conf
# Make default storage more basic for desktop use
# Advanced users can obviously customize if they wish
[Storage]

default_partitioning =
    /     (min 12 GiB)
    swap  (min 2 GiB, max 4 GiB)

default_scheme = PLAIN

file_system_type = ext4

[Storage Constraints]
min_partition_sizes =
    /      12 GiB
    /boot  2 GiB

req_partition_sizes =
    /      12 GiB
    /boot  2 GiB
EOF

# Tweak the Anaconda /boot partition default size - may need bigger /boot to support multiple upstream kernels
# Fun fact: /boot default is hard-coded in the python sources.  Aint Anaconda great?
sed --in-place=".orig"  's/Size("1GiB")/Size("2GiB")/g'  /usr/lib64/python3.9/site-packages/pyanaconda/modules/storage/platform.py


# Inside-the-ISO postinstall script
# Anything put in /usr/shar/anaconda/post-scripts/*.ks will be run as a %post 
# after the user installs on their system from the booted live ISO.  We need to do grub boot modification
# only after Anaconda has run and installed on their system, not when this ISO is built:

# Need to turn %post and %end into variables, or kickstart gets confused:
export post="%post"
export end="%end"

cat > /usr/share/anaconda/post-scripts/95-kernel-gfx-args.ks <<EOF
${post}
# Add Intel + Nvidia tweaks to permanent boot options automatically:
sed -i 's/quiet"/quiet i915.force_probe=* rd.driver.blacklist=nouveau nvidia_drm.modeset=0"/' /etc/default/grub
grub2-mkconfig -o /boot/grub2/grub.cfg
if [ -f /boot/efi/EFI/rocky/grub.cfg ]; then
  grub2-mkconfig -o /boot/efi/EFI/rocky/grub.cfg
fi
${end}
EOF

# Clean up some space at the end:
dnf -y clean all

%end