ohhhhhhhhhhh (exclude linux-extra-rootfs.img build artifact)
This commit is contained in:
Linehu
@@ -14,7 +14,7 @@
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# Usage:
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# sudo bash CODE/linux/build_extra_rootfs.sh
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# sudo IMG_SIZE_MB=2048 bash CODE/linux/build_extra_rootfs.sh
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# sudo KDE_FULL=1 IMG_SIZE_MB=8192 bash CODE/linux/build_extra_rootfs.sh
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# sudo KDE_FULL=1 bash CODE/linux/build_extra_rootfs.sh # 3900MB, FAT32-safe
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#
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# KDE_FULL=1 prerequisites:
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# - An Arch Linux build environment with arch-install-scripts (pacstrap)
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@@ -25,8 +25,8 @@ set -Eeuo pipefail
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
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OUTPUT_DIR="$PROJECT_ROOT/SYSTEM/boot"
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OUTPUT_IMG="$OUTPUT_DIR/linux-extra-rootfs.img"
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OUTPUT_DIR="${EXTRA_ROOTFS_OUTPUT_DIR:-$PROJECT_ROOT/SYSTEM/boot}"
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OUTPUT_IMG="${EXTRA_ROOTFS_OUTPUT:-$OUTPUT_DIR/linux-extra-rootfs.img}"
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KDE_FULL="${KDE_FULL:-0}"
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case "$KDE_FULL" in
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@@ -39,7 +39,9 @@ esac
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if [ -z "${IMG_SIZE_MB+x}" ]; then
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if [ "$KDE_FULL" -eq 1 ]; then
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IMG_SIZE_MB=8192
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# FAT32 ESP cannot store a file >= 4GiB. SYSTEM/boot is the only
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# pack input, so the extra-rootfs image must stay under that limit.
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IMG_SIZE_MB=3900
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else
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IMG_SIZE_MB=1024
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fi
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@@ -48,8 +50,9 @@ if ! [[ "$IMG_SIZE_MB" =~ ^[1-9][0-9]*$ ]]; then
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echo "[extra-rootfs] ERROR: IMG_SIZE_MB must be a positive integer" >&2
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exit 2
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fi
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if [ "$KDE_FULL" -eq 1 ] && [ "$IMG_SIZE_MB" -lt 8192 ]; then
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echo "[extra-rootfs] WARNING: full KDE is expected to need at least 8192MB" >&2
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if [ "$KDE_FULL" -eq 1 ] && [ "$IMG_SIZE_MB" -ge 4096 ]; then
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echo "[extra-rootfs] ERROR: IMG_SIZE_MB=$IMG_SIZE_MB >= 4GiB; FAT32 SYSTEM pack cannot store it" >&2
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exit 2
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fi
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WORK_DIR="${EXTRA_ROOTFS_WORK:-/root/extra_rootfs_work}"
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@@ -74,10 +77,12 @@ fi
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# plasma-wayland-session package on current Arch Linux.
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KDE_DESKTOP_PACKAGES=(
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plasma-meta
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kde-applications-meta
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plasma-workspace
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sddm
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)
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KDE_APP_PACKAGES=(
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kde-applications-meta
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)
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KDE_WAYLAND_PACKAGES=(
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wayland
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wayland-protocols
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@@ -104,12 +109,16 @@ KDE_SESSION_PACKAGES=(
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polkit
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pam
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)
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# noto-fonts-cjk is optional: the package is huge and Chinese mirrors
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# often stall. Install later with KDE_EXTRA_PACKAGES="noto-fonts-cjk".
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KDE_FONT_PACKAGES=(
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noto-fonts
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noto-fonts-cjk
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noto-fonts-emoji
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ttf-dejavu
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)
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KDE_PYTHON_PACKAGES=(
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python
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)
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KDE_BASE_PACKAGES=(
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base
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bash
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@@ -124,6 +133,7 @@ KDE_PACKAGES=(
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"${KDE_GRAPHICS_PACKAGES[@]}"
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"${KDE_SESSION_PACKAGES[@]}"
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"${KDE_FONT_PACKAGES[@]}"
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"${KDE_PYTHON_PACKAGES[@]}"
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)
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if [ -n "${KDE_EXTRA_PACKAGES:-}" ]; then
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read -r -a KDE_EXTRA_PACKAGE_ARRAY <<< "$KDE_EXTRA_PACKAGES"
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@@ -139,23 +149,166 @@ if [ "$(id -u)" -ne 0 ]; then
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echo "[extra-rootfs] ERROR: must run as root (loop mount required)" >&2
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exit 1
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fi
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# WSL/Ubuntu has no pacstrap. Fall back to an Arch bootstrap tarball
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# extracted onto the native Linux disk, then chroot pacman.
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KDE_BOOTSTRAP_TAR="${KDE_BOOTSTRAP_TAR:-$WORK_DIR/archlinux-bootstrap.tar.zst}"
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KDE_USE_BOOTSTRAP=0
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if [ "$KDE_FULL" -eq 1 ] && ! command -v "$KDE_PACSTRAP" >/dev/null 2>&1; then
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echo "[extra-rootfs] ERROR: KDE_FULL=1 requires pacstrap" >&2
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echo "[extra-rootfs] Install arch-install-scripts in an Arch build environment," >&2
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echo "[extra-rootfs] or set KDE_PACSTRAP to its absolute path." >&2
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exit 1
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echo "[extra-rootfs] pacstrap not found; will use Arch bootstrap+chroot"
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KDE_USE_BOOTSTRAP=1
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fi
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if [ -n "$KDE_PACMAN_CONF" ] && [ ! -r "$KDE_PACMAN_CONF" ]; then
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echo "[extra-rootfs] ERROR: KDE_PACMAN_CONF is not readable: $KDE_PACMAN_CONF" >&2
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exit 1
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fi
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kde_download_bootstrap() {
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local url
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if [ -f "$KDE_BOOTSTRAP_TAR" ]; then
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return 0
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fi
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mkdir -p "$(dirname "$KDE_BOOTSTRAP_TAR")"
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for url in \
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"https://mirrors.tuna.tsinghua.edu.cn/archlinux/iso/latest/archlinux-bootstrap-x86_64.tar.zst" \
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"https://mirrors.ustc.edu.cn/archlinux/iso/latest/archlinux-bootstrap-x86_64.tar.zst" \
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"https://mirrors.aliyun.com/archlinux/iso/latest/archlinux-bootstrap-x86_64.tar.zst"
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do
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echo "[extra-rootfs] Trying bootstrap: $url"
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if curl -fL --retry 3 --connect-timeout 20 -o "$KDE_BOOTSTRAP_TAR" "$url"; then
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return 0
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fi
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rm -f "$KDE_BOOTSTRAP_TAR"
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done
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echo "[extra-rootfs] ERROR: failed to download Arch bootstrap tarball" >&2
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return 1
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}
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kde_configure_pacman() {
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local root="$1"
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mkdir -p "$root/etc/pacman.d"
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cat > "$root/etc/pacman.d/mirrorlist" <<'MIRRORS'
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Server = https://mirrors.tuna.tsinghua.edu.cn/archlinux/$repo/os/$arch
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Server = https://mirrors.ustc.edu.cn/archlinux/$repo/os/$arch
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Server = https://mirrors.aliyun.com/archlinux/$repo/os/$arch
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Server = https://mirrors.cloud.tencent.com/archlinux/$repo/os/$arch
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Server = https://geo.mirror.pkgbuild.com/$repo/os/$arch
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Server = https://mirrors.kernel.org/archlinux/$repo/os/$arch
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MIRRORS
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cat > "$root/etc/pacman.conf" <<'PACMANCONF'
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[options]
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HoldPkg = pacman glibc
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Architecture = auto
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SigLevel = Never
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LocalFileSigLevel = Never
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DisableDownloadTimeout
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XferCommand = /usr/bin/curl -C - -fL --retry 8 --retry-delay 3 --connect-timeout 60 -o %o %u
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[core]
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Include = /etc/pacman.d/mirrorlist
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[extra]
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Include = /etc/pacman.d/mirrorlist
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PACMANCONF
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mkdir -p "$root/tmp/pacman/lib/sync" "$root/tmp/pacman/cache/pkg"
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printf 'nameserver 1.1.1.1\n' > "$root/etc/resolv.conf"
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}
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kde_chroot_bind() {
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local root="$1"
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mkdir -p "$root"/{dev,proc,sys,run}
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mount --bind /dev "$root/dev"
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mount --bind /proc "$root/proc"
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mount --bind /sys "$root/sys"
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mount --bind /run "$root/run" 2>/dev/null || true
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}
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kde_unlock() {
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rm -f "$1/var/lib/pacman/db.lck" "$1/tmp/pacman/lib/db.lck"
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}
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kde_pacman_wave() {
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local root="$1"
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shift
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local attempt
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echo "[extra-rootfs] pacman wave: $*"
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for attempt in 1 2 3; do
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kde_unlock "$root"
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if chroot "$root" /usr/bin/pacman -S --noconfirm --needed --overwrite '*' "$@"; then
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return 0
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fi
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echo "[extra-rootfs] wave failed (attempt $attempt), retrying..."
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sleep 3
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done
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return 1
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}
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kde_install_full_suite() {
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local hello_src="$PROJECT_ROOT/SYSTEM/user/python/hello.py"
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if [ "$KDE_USE_BOOTSTRAP" -eq 0 ]; then
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echo "[extra-rootfs] Installing full Arch/KDE suite with pacstrap..."
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PACSTRAP_ARGS=(-K -c)
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if [ -n "$KDE_PACMAN_CONF" ]; then
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PACSTRAP_ARGS+=(-C "$KDE_PACMAN_CONF")
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fi
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"$KDE_PACSTRAP" "${PACSTRAP_ARGS[@]}" "$MNT_DIR" "${KDE_PACKAGES[@]}"
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if [ "${KDE_SKIP_APPS:-1}" != "1" ]; then
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echo "[extra-rootfs] Installing KDE applications meta (second pass)..."
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if ! chroot "$MNT_DIR" /usr/bin/pacman -S --noconfirm --needed "${KDE_APP_PACKAGES[@]}"; then
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echo "[extra-rootfs] WARNING: kde-applications-meta incomplete; Plasma/Wayland/Python remain"
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fi
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else
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echo "[extra-rootfs] skipping kde-applications-meta (KDE_SKIP_APPS=1, FAT32-safe)"
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fi
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else
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echo "[extra-rootfs] Installing Arch/KDE via bootstrap+chroot (native disk)..."
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kde_download_bootstrap
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if [ ! -x "$MNT_DIR/bin/bash" ] && [ ! -x "$MNT_DIR/usr/bin/bash" ]; then
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echo "[extra-rootfs] Extracting bootstrap into extra-rootfs..."
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tar --zstd -xf "$KDE_BOOTSTRAP_TAR" --strip-components=1 -C "$MNT_DIR"
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fi
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kde_configure_pacman "$MNT_DIR"
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kde_chroot_bind "$MNT_DIR"
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kde_unlock "$MNT_DIR"
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chroot "$MNT_DIR" /usr/bin/pacman -Sy --noconfirm
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if [ ! -x "$MNT_DIR/usr/bin/python3" ]; then
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kde_pacman_wave "$MNT_DIR" "${KDE_BASE_PACKAGES[@]}" "${KDE_PYTHON_PACKAGES[@]}"
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fi
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kde_pacman_wave "$MNT_DIR" "${KDE_WAYLAND_PACKAGES[@]}" "${KDE_GRAPHICS_PACKAGES[@]}" \
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|| echo "[extra-rootfs] WARNING: wayland/graphics wave incomplete"
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kde_pacman_wave "$MNT_DIR" "${KDE_SESSION_PACKAGES[@]}" "${KDE_FONT_PACKAGES[@]}" \
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|| echo "[extra-rootfs] WARNING: session/font wave incomplete"
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if [ ! -x "$MNT_DIR/usr/bin/plasmashell" ]; then
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kde_pacman_wave "$MNT_DIR" "${KDE_DESKTOP_PACKAGES[@]}" \
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|| echo "[extra-rootfs] WARNING: Plasma desktop wave incomplete"
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fi
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if [ "${KDE_SKIP_APPS:-1}" != "1" ]; then
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echo "[extra-rootfs] Installing KDE applications meta (second pass)..."
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if ! kde_pacman_wave "$MNT_DIR" "${KDE_APP_PACKAGES[@]}"; then
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echo "[extra-rootfs] WARNING: kde-applications-meta incomplete; Plasma/Wayland/Python remain"
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fi
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else
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echo "[extra-rootfs] skipping kde-applications-meta (KDE_SKIP_APPS=1, FAT32-safe)"
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fi
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umount -R "$MNT_DIR/dev" 2>/dev/null || umount "$MNT_DIR/dev" 2>/dev/null || true
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umount "$MNT_DIR/proc" 2>/dev/null || true
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umount "$MNT_DIR/sys" 2>/dev/null || true
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umount "$MNT_DIR/run" 2>/dev/null || true
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fi
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if [ -f "$hello_src" ]; then
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mkdir -p "$MNT_DIR/usr/local/share/deshab/python"
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install -m 0644 "$hello_src" "$MNT_DIR/usr/local/share/deshab/python/hello.py"
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echo "[extra-rootfs] installed hello.py"
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fi
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}
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mkdir -p "$WORK_DIR" "$MNT_DIR" "$OUTPUT_DIR"
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LOOP_DEV=""
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MOUNTED=0
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cleanup() {
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set +e
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umount -R "$MNT_DIR/dev" 2>/dev/null || umount "$MNT_DIR/dev" 2>/dev/null || true
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umount "$MNT_DIR/proc" 2>/dev/null || true
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umount "$MNT_DIR/sys" 2>/dev/null || true
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umount "$MNT_DIR/run" 2>/dev/null || true
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if [ "$MOUNTED" -eq 1 ]; then
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umount -R "$MNT_DIR" 2>/dev/null || umount "$MNT_DIR" 2>/dev/null || true
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fi
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@@ -166,28 +319,37 @@ cleanup() {
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trap cleanup EXIT INT TERM
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# 1. Allocate a sparse-friendly image and create its ext4 filesystem.
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echo "[extra-rootfs] Allocating ${IMG_SIZE_MB}MB image..."
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rm -f "$NATIVE_IMG"
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dd if=/dev/zero of="$NATIVE_IMG" bs=1M count=0 seek="$IMG_SIZE_MB" status=none
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echo "[extra-rootfs] mkfs.ext4..."
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mkfs.ext4 -q -F -N 1048576 -O ^has_journal -L deshab-persist "$NATIVE_IMG"
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# EXTRA_ROOTFS_RESUME=1 reuses an existing native image (failed pacman retry).
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if [ "${EXTRA_ROOTFS_RESUME:-0}" = "1" ] && [ -f "$NATIVE_IMG" ]; then
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echo "[extra-rootfs] resume: reusing $NATIVE_IMG"
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else
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echo "[extra-rootfs] Allocating ${IMG_SIZE_MB}MB image..."
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rm -f "$NATIVE_IMG"
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dd if=/dev/zero of="$NATIVE_IMG" bs=1M count=0 seek="$IMG_SIZE_MB" status=none
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echo "[extra-rootfs] mkfs.ext4..."
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mkfs.ext4 -q -F -N 1048576 -O ^has_journal -L deshab-persist "$NATIVE_IMG"
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fi
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# 2. Mount and populate the lightweight persistence skeleton.
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echo "[extra-rootfs] Populating directory skeleton..."
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LOOP_DEV="$(losetup --find --show "$NATIVE_IMG")"
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mount -t ext4 "$LOOP_DEV" "$MNT_DIR"
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MOUNTED=1
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rm -f "$MNT_DIR/var/lib/pacman/db.lck" "$MNT_DIR/tmp/pacman/lib/db.lck"
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mkdir -p "$MNT_DIR/opt" "$MNT_DIR/home" "$MNT_DIR/root" "$MNT_DIR/vscode"
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touch "$MNT_DIR/vscode/.keep"
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if [ "$KDE_FULL" -eq 1 ]; then
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echo "[extra-rootfs] Installing full Arch/KDE suite with pacstrap..."
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PACSTRAP_ARGS=(-K -c)
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if [ -n "$KDE_PACMAN_CONF" ]; then
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PACSTRAP_ARGS+=(-C "$KDE_PACMAN_CONF")
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if [ "${KDE_FINALIZE_ONLY:-0}" = "1" ]; then
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echo "[extra-rootfs] finalize-only: keeping installed Plasma/Wayland/Python"
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hello_src="$PROJECT_ROOT/SYSTEM/user/python/hello.py"
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if [ -f "$hello_src" ]; then
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mkdir -p "$MNT_DIR/usr/local/share/deshab/python"
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install -m 0644 "$hello_src" "$MNT_DIR/usr/local/share/deshab/python/hello.py"
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fi
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else
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kde_install_full_suite
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fi
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"$KDE_PACSTRAP" "${PACSTRAP_ARGS[@]}" "$MNT_DIR" "${KDE_PACKAGES[@]}"
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# The image is a complete chroot kept separate from the active minimal
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# guest root. A marker lets the launcher distinguish wrapper and chroot
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