KAMOS: bootc-install fix, KDE wallpaper config, Plymouth theme activation
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@ -35,6 +35,12 @@ LABEL io.artifacthub.package.readme-url="https://cgi.medsys.cloud/mkm1971/kamos/
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COPY build_files/ /ctx/
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COPY system_files/ /
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# bootc install config - tells bootc-image-builder our rootfs is btrfs.
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# Without a file under /usr/lib/bootc/install/, bib errors out with
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# "missing required info: DefaultRootfs". 00- prefix loads first; any
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# upstream Bazzite file with a higher prefix can still override.
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COPY build_files/bootc-install.toml /usr/lib/bootc/install/00-kamos.toml
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# -----------------------------------------------------------------------------
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# Stage 2: run the customisation script
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# - install / remove packages
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@ -0,0 +1,2 @@
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[install]
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root-fs-type = "btrfs"
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@ -1,27 +1,15 @@
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#!/usr/bin/env bash
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# =============================================================================
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# build.sh - runs INSIDE the container during `podman build`
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#
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# Anything you'd normally `dnf install`, `systemctl enable`, or drop in
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# /etc or /usr goes here. Run as root, on Fedora bootc.
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# KAMOS Gaming OS - based on Bazzite-NVIDIA
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# =============================================================================
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set -euxo pipefail
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# -----------------------------------------------------------------------------
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# 1. Install extra packages
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# Bazzite already ships a LOT - check `rpm -qa` on the base before adding.
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# Anything you uncomment below will be layered on top.
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# -----------------------------------------------------------------------------
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EXTRA_PACKAGES=(
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# CLI niceties
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# htop
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# bat
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# ripgrep
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# fastfetch
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# Dev tooling
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# gh
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# tmux
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# Add packages here later if you want
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)
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if [ ${#EXTRA_PACKAGES[@]} -gt 0 ]; then
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@ -29,12 +17,10 @@ if [ ${#EXTRA_PACKAGES[@]} -gt 0 ]; then
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fi
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# -----------------------------------------------------------------------------
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# 2. Remove packages you don't want
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# Use `dnf -y remove --no-autoremove` so you don't accidentally pull
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# half the desktop with you.
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# 2. Remove packages
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# -----------------------------------------------------------------------------
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REMOVE_PACKAGES=(
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# firefox
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# Add packages to remove here later
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)
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if [ ${#REMOVE_PACKAGES[@]} -gt 0 ]; then
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@ -42,10 +28,10 @@ if [ ${#REMOVE_PACKAGES[@]} -gt 0 ]; then
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fi
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# -----------------------------------------------------------------------------
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# 3. Enable systemd units (system-wide)
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# 3. Enable systemd units
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# -----------------------------------------------------------------------------
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SERVICES_ENABLE=(
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# podman.socket
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# Add services here later
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)
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for svc in "${SERVICES_ENABLE[@]}"; do
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@ -53,9 +39,7 @@ for svc in "${SERVICES_ENABLE[@]}"; do
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done
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# -----------------------------------------------------------------------------
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# 4. KAMOS branding - OS release name shown in `neofetch`, login screen, etc.
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# The base bazzite-nvidia overrides /etc/os-release; we patch the
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# customisable fields without breaking version detection.
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# 4. KAMOS branding - OS release name
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# -----------------------------------------------------------------------------
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KAMOS_OS_NAME="KAMOS Gaming OS"
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KAMOS_TAGLINE="Play. Perform. Dominate."
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@ -72,14 +56,12 @@ if [ -f /usr/lib/os-release ]; then
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fi
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# -----------------------------------------------------------------------------
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# 5. KAMOS wallpaper
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# File: system_files/usr/share/backgrounds/kamos/kamos-wallpaper.jpg
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# Sets a system-wide default for all new users via a dconf override.
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# 5. KAMOS wallpaper - GNOME (dconf)
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# -----------------------------------------------------------------------------
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KAMOS_WALLPAPER="/usr/share/backgrounds/kamos/kamos-wallpaper.jpg"
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if [ -f "${KAMOS_WALLPAPER}" ]; then
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echo "==> Applying KAMOS wallpaper"
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echo "==> Applying KAMOS GNOME wallpaper"
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mkdir -p /etc/dconf/db/local.d /etc/dconf/profile
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cat > /etc/dconf/profile/user <<'EOF'
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user-db:user
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@ -101,44 +83,90 @@ EOF
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fi
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# -----------------------------------------------------------------------------
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# 6. KAMOS Plymouth boot splash
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# Files (provided by us in system_files/):
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# /usr/share/plymouth/themes/kamos/kamos.plymouth
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# /usr/share/plymouth/themes/kamos/kamos.script
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# /usr/share/plymouth/themes/kamos/kamos-logo.png
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#
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# The kamos theme uses ModuleName=script which needs the
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# plymouth-plugin-script package - Bazzite doesn't ship it by default.
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# 5b. KAMOS wallpaper - KDE Plasma (uses /etc/skel for new users)
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# -----------------------------------------------------------------------------
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if [ -f /usr/share/plymouth/themes/kamos/kamos.plymouth ]; then
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echo "==> Installing plymouth script plugin"
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if dnf -y install plymouth-plugin-script; then
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echo "==> Setting KAMOS as default plymouth theme"
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plymouth-set-default-theme kamos
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# Rebuild the initramfs so the splash is actually used at next boot.
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if command -v dracut >/dev/null 2>&1; then
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echo "==> Regenerating initramfs (dracut)"
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dracut --force --regenerate-all || true
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fi
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else
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echo "!! plymouth-plugin-script unavailable, leaving default Bazzite theme"
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fi
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if [ -f "${KAMOS_WALLPAPER}" ]; then
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echo "==> Applying KAMOS KDE Plasma wallpaper defaults"
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mkdir -p /etc/skel/.config
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cat > /etc/skel/.config/plasma-org.kde.plasma.desktop-appletsrc <<EOF
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[Containments][1]
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ItemGeometriesHorizontal=
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activityId=
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formfactor=2
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immutability=1
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lastScreen=0
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location=0
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plugin=org.kde.plasma.folder
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wallpaperplugin=org.kde.image
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[Containments][1][Wallpaper][org.kde.image][General]
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Image=file://${KAMOS_WALLPAPER}
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PreviewImage=file://${KAMOS_WALLPAPER}
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EOF
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# Register KAMOS as a KDE wallpaper package (so it appears in wallpaper picker)
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mkdir -p /usr/share/wallpapers/Kamos/contents/images
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cp -f "${KAMOS_WALLPAPER}" /usr/share/wallpapers/Kamos/contents/images/default.jpg || true
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cat > /usr/share/wallpapers/Kamos/metadata.json <<'EOF'
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{
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"KPlugin": {
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"Id": "Kamos",
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"Name": "KAMOS"
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},
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"X-KDE-PluginInfo-Author": "mkm1971",
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"X-KDE-PluginInfo-License": "Apache-2.0",
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"X-KDE-PluginInfo-Name": "Kamos"
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}
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EOF
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fi
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# -----------------------------------------------------------------------------
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# 7. KAMOS GRUB logo
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# Bazzite ships its own GRUB theme; we replace the logo asset only.
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# File: system_files/usr/share/pixmaps/kamos-logo.png (24-bit, ~256x256)
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# 6. KAMOS Plymouth boot splash
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# -----------------------------------------------------------------------------
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echo "==> Plymouth theme setup"
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if [ -d /usr/share/plymouth/themes/kamos ]; then
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echo "==> KAMOS theme directory exists, contents:"
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ls -la /usr/share/plymouth/themes/kamos/
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if [ -f /usr/share/plymouth/themes/kamos/kamos.plymouth ]; then
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echo "==> kamos.plymouth file present, attempting to install script plugin"
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if dnf -y install plymouth-plugin-script 2>/dev/null; then
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echo "==> plymouth-plugin-script installed"
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else
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echo "==> plymouth-plugin-script unavailable; trying without it"
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fi
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echo "==> Setting KAMOS as default plymouth theme"
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if plymouth-set-default-theme kamos 2>&1; then
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echo "==> SUCCESS: theme set to kamos"
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if command -v dracut >/dev/null 2>&1; then
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echo "==> Regenerating initramfs (dracut)"
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dracut --force --regenerate-all || true
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fi
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else
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echo "==> FAILED to set kamos theme"
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fi
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else
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echo "==> kamos.plymouth file MISSING - theme directory exists but is empty"
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fi
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else
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echo "==> WARN: /usr/share/plymouth/themes/kamos/ does not exist"
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fi
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# -----------------------------------------------------------------------------
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# 7. KAMOS GRUB logo (only if GRUB themes exist - Bazzite uses systemd-boot)
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# -----------------------------------------------------------------------------
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KAMOS_LOGO="/usr/share/pixmaps/kamos-logo.png"
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if [ -f "${KAMOS_LOGO}" ]; then
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echo "==> KAMOS logo present at ${KAMOS_LOGO}"
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# If a Bazzite GRUB theme exists, drop the logo into it for the boot menu.
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for theme_dir in /usr/share/grub/themes/*/; do
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if [ -d "${theme_dir}" ]; then
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cp -f "${KAMOS_LOGO}" "${theme_dir}/logo.png" || true
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fi
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done
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if [ -d /usr/share/grub/themes ]; then
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for theme_dir in /usr/share/grub/themes/*/; do
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if [ -d "${theme_dir}" ]; then
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cp -f "${KAMOS_LOGO}" "${theme_dir}/logo.png" || true
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fi
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done
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fi
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fi
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# -----------------------------------------------------------------------------
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@ -148,4 +176,4 @@ dnf clean all
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rm -rf /tmp/* /var/* || true
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mkdir -p /var/log /var/cache /var/tmp
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echo "==> build.sh finished cleanly"
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echo "==> build.sh finished cleanly"
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@ -0,0 +1,32 @@
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# KAMOS Gaming OS - bootc-image-builder ISO config
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# Used by `just build-iso` and the build-disk workflow.
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# Reference: https://osbuild.org/docs/bootc/
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[customizations]
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hostname = "kamos"
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[[customizations.user]]
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name = "khalaf"
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password = "changeme"
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groups = ["wheel"]
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[customizations.kernel]
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# NVIDIA proprietary driver works best with the modules baked into Bazzite's
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# kernel. `splash` enables Plymouth so the KAMOS boot splash actually shows.
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# Don't add nomodeset unless you've fallen back to a recovery scenario.
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append = "rhgb quiet splash"
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[customizations.locale]
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languages = ["en_US.UTF-8"]
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keyboard = "us"
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[customizations.timezone]
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timezone = "UTC"
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[[customizations.filesystem]]
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mountpoint = "/"
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minsize = "10 GiB"
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[[customizations.filesystem]]
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mountpoint = "/var"
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minsize = "20 GiB"
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