Fixed typo, or loss of current thought or something lol.

pi4/build/build-stormux.sh

@@ -24,18 +24,52 @@ mounted=1
 set -e # Don't want to destroy stuff if this goes majorly wrong.
 trap cleanup EXIT # make sure the script cleans up after itself before closing.
 
+# shellcheck disable=SC2329 # verify_image is invoked from cleanup, which is invoked via trap EXIT
+verify_image() {
+    echo "Checking completed image filesystems..."
+    fsck.vfat -n "${loopdev}p1"
+    e2fsck -fn "${loopdev}p2"
+}
 
-# shellcheck disable=SC2329 # cleanup is invoked via trap EXIT
+# shellcheck disable=SC2329 # compress_image is invoked from finish_build
-cleanup() {
+compress_image() {
-    status=$? # capture original exit status so failures propagate
+    local compressedImage="${imageName}.xz"
+
+    if [[ ! -s "${imageName}" ]]; then
+        echo "Image file ${imageName} was not created or is empty."
+        return 1
+    fi
+
+    echo "Compressing ${imageName} to ${compressedImage}..."
+    xz -T0 -9 "${imageName}"
+    echo "Creating SHA-1 checksum for ${compressedImage}..."
+    sha1sum "${compressedImage}" > "${compressedImage}.sha1sum"
+    echo "Image build complete: ${compressedImage}"
+    echo "Checksum: ${compressedImage}.sha1sum"
+}
+
+# shellcheck disable=SC2329 # cleanup_image is invoked from cleanup and finish_build
+cleanup_image() {
+    local verifyFilesystems="${1:-false}"
+    local cleanupStatus=0
 
     if [[ $mounted -eq 0 ]]; then
-        umount -R /mnt || true
+        if ! umount -R /mnt; then
+            cleanupStatus=1
+        elif [[ "$verifyFilesystems" == true ]]; then
+            if ! verify_image; then
+                cleanupStatus=1
+            fi
+        fi
     fi
 
     if [[ -n "${loopdev:-}" ]]; then
-        partx -d "${loopdev}" || true
+        if ! partx -d "${loopdev}"; then
-        losetup --detach "${loopdev}" || true
+            cleanupStatus=1
+        fi
+        if ! losetup --detach "${loopdev}"; then
+            cleanupStatus=1
+        fi
     fi
 
     # Clean up temporary pacman config directory
@@ -43,9 +77,41 @@ cleanup() {
         rm -rf "${tmpDir}"
     fi
 
+    return "$cleanupStatus"
+}
+
+# shellcheck disable=SC2329 # cleanup is invoked via trap EXIT
+cleanup() {
+    local status=$? # capture original exit status so failures propagate
+    local cleanupStatus=0
+
+    if ! cleanup_image false; then
+        cleanupStatus=1
+    fi
+
+    if [[ $status -eq 0 && $cleanupStatus -ne 0 ]]; then
+        echo "Image build commands completed, but cleanup or filesystem verification failed."
+        status=1
+    fi
+
     exit "$status"
 }
 
+finish_build() {
+    trap - EXIT
+
+    if ! cleanup_image true; then
+        echo "Image build commands completed, but cleanup or filesystem verification failed."
+        exit 1
+    fi
+
+    if ! compress_image; then
+        exit 1
+    fi
+
+    exit 0
+}
+
 help() {
     echo -e "Usage:\n"
     echo "With no arguments, build with default parameters."
@@ -100,6 +166,12 @@ if [[ -e "$imageName" ]]; then
     echo "${imageName} exists, please remove or move it for this script to continue."
     exit 1
 fi
+for outputFile in "${imageName}.xz" "${imageName}.xz.sha1sum"; do
+    if [[ -e "$outputFile" ]]; then
+        echo "${outputFile} exists, please remove or move it for this script to continue."
+        exit 1
+    fi
+done
 
 # Make sure this script is ran as root.
 if [ "$(whoami)" != "root" ] ; then
@@ -124,6 +196,12 @@ for i in arch-install-scripts dosfstools parted ; do
         exit 1
     fi
 done
+for i in e2fsck fsck.vfat sha1sum xz ; do
+    if ! command -v "$i" &> /dev/null ; then
+        echo "Please install ${i} before continuing."
+        exit 1
+    fi
+done
 
 
 fallocate -l "$imageSize" "$imageName"
@@ -257,12 +335,17 @@ packages=(
     fake-hwclock
     fenrir
     firmware-raspberrypi
-    linux-firmware
     git
     gstreamer
     gst-plugins-base
     gst-plugins-good
     ii
+    # Keep Pi onboard firmware plus common USB/network chipset firmware without
+    # pulling in unrelated desktop/server GPU firmware.
+    linux-firmware-atheros
+    linux-firmware-broadcom
+    linux-firmware-mediatek
+    linux-firmware-realtek
     magic-wormhole
     man
     man-pages
@@ -387,5 +470,5 @@ find ../files/etc/skel/ -mindepth 1 -exec cp -rv "{}" /mnt/home/stormux/ \;
 # Copy boot files again to ensure custom config overrides any package changes
 cp -rv ../files/boot/* /mnt/boot
 
-# Exiting calls the cleanup function to unmount.
+# Clean up, verify, compress, and create the checksum.
-exit 0
+finish_build

x86_64/airootfs/usr/local/bin/install-stormux

@@ -933,12 +933,55 @@ get_bios_install_disk() {
 # System information gathering
 #
 
+is_valid_hostname() {
+    local candidate="$1"
+    local label
+    local -a labels
+
+    if [[ -z "$candidate" ]] || [[ ${#candidate} -gt 253 ]]; then
+        return 1
+    fi
+
+    if [[ "$candidate" == .* ]] || [[ "$candidate" == *. ]] || [[ "$candidate" == *..* ]]; then
+        return 1
+    fi
+
+    if [[ "$candidate" == *[!A-Za-z0-9.-]* ]]; then
+        return 1
+    fi
+
+    IFS=. read -r -a labels <<< "$candidate"
+    for label in "${labels[@]}"; do
+        if [[ -z "$label" ]] || [[ ${#label} -gt 63 ]]; then
+            return 1
+        fi
+
+        if [[ ! "$label" =~ ^[A-Za-z0-9]([A-Za-z0-9-]*[A-Za-z0-9])?$ ]]; then
+            return 1
+        fi
+    done
+
+    return 0
+}
+
 gather_system_info() {
     log_info "=== System Configuration ==="
 
     # Hostname
-    echo "Enter hostname for the new system:"
+    echo "Hostnames may contain letters, numbers, and hyphens, with optional dots between name parts."
-    read -r hostname
+    echo "They cannot contain spaces or underscores, and each part must start and end with a letter or number."
+    echo "Examples: stormux, stormux-laptop, stormux-desktop"
+    while true; do
+        echo "Enter hostname for the new system:"
+        read -r hostname
+
+        if is_valid_hostname "$hostname"; then
+            break
+        fi
+
+        echo "ERROR: Invalid hostname."
+        echo "Use letters, numbers, and hyphens only; do not use spaces. Example: stormux-laptop"
+    done
     log_info "Hostname set to: $hostname"
 
     # Root password
@@ -1173,6 +1216,40 @@ gather_system_info() {
 # Base system installation
 #
 
+refresh_package_sources() {
+    local mirrorlist="/etc/pacman.d/mirrorlist"
+    local mirrorlistBackup="${mirrorlist}.stormux-backup"
+    local targetSyncDir="$mountPoint/var/lib/pacman/sync"
+
+    log_info "Refreshing package mirrors and databases"
+
+    if command -v reflector >/dev/null 2>&1; then
+        log_info "Selecting recently synced fast Arch mirrors"
+        cp -a "$mirrorlist" "$mirrorlistBackup"
+
+        if reflector --protocol https --latest 20 --sort rate --number 10 --save "$mirrorlist"; then
+            log_info "Mirrorlist refreshed"
+        else
+            log_warning "Mirror refresh failed; keeping the existing mirrorlist"
+            cp -a "$mirrorlistBackup" "$mirrorlist"
+        fi
+    else
+        log_warning "reflector is not installed; using the existing mirrorlist"
+    fi
+
+    log_info "Forcing package database refresh"
+    if ! pacman -Syy --noconfirm; then
+        log_error "Package database refresh failed"
+        return 1
+    fi
+
+    log_info "Clearing target package sync cache for pacstrap"
+    mkdir -p "$targetSyncDir"
+    rm -f "$targetSyncDir"/*.db "$targetSyncDir"/*.db.sig "$targetSyncDir"/*.files "$targetSyncDir"/*.files.sig
+
+    return 0
+}
+
 install_base_system() {
     log_info "=== Installing Base System ==="
 
@@ -1278,6 +1355,11 @@ install_base_system() {
     log_info "Installing packages: ${allPackages[*]}"
     log_info "Installing packages (this may take several minutes)"
 
+    if ! refresh_package_sources; then
+        log_error "Could not refresh package sources"
+        return 1
+    fi
+
     # Run pacstrap
     if ! pacstrap "$mountPoint" "${allPackages[@]}"; then
         log_error "pacstrap failed"