openwrtbuilder/openwrtbuilder

#!/usr/bin/env bash
# Builds and deploys OpenWRT images
# Copyright 2022-24 Bryan C. Roessler
# Apache 2.0 License
# See README.md and ./profiles

# Set default release
: "${RELEASE:="23.05.5"}"

print_help() {
  debug "${FUNCNAME[0]}"

  cat <<-'EOF'
	Build and deploy OpenWRT images

	USAGE:
	  openwrtbuilder [OPTION [VALUE]]... -p PROFILE [-p PROFILE]...

	OPTIONS
	  --profile,-p PROFILE
	  --release,-r,--version,-v RELEASE ("snapshot", "22.03.5") 
	  --buildroot,-b PATH
	    Default: location of openwrtbuilder script
	  --source
	    Build image from source, not from Image Builder
	  --ssh-upgrade HOST
	    Examples: root@192.168.1.1, root@router.lan
	  --ssh-backup SSH_PATH
	    Enabled by default for --ssh-upgrade
	  --flash,-f DEVICE
	    Example: /dev/sdX
	  --reset
	    Cleanup all source and output files
	  --yes,-y
	    Assume yes for all questions (automatic mode)
	  --debug,-d
	  --help,-h

	EXAMPLES
	  ./openwrtbuilder -p r4s -r snapshot
	  ./openwrtbuilder -p ax6000 -r 23.05.0-rc3 --source --debug
	  ./openwrtbuilder -p rpi4 -r 22.03.3 --flash /dev/sdX
	  ./openwrtbuilder -p linksys -r snapshot --ssh-upgrade root@192.168.1.1		  
	EOF
}

init() {
  debug "${FUNCNAME[0]}"
  declare -g ID RPM_MGR SCRIPTDIR DL_TOOL

  ((DEBUG)) || echo "To enable debugging output, use --debug or -d"

  # Save the script directory
  # https://stackoverflow.com/a/4774063
  SCRIPTDIR="$(cd -- "$(dirname "$0")" >/dev/null 2>&1 || exit $? ; pwd -P)"

  if [[ -e "/etc/os-release" ]]; then
    source "/etc/os-release"
  else
    echo "/etc/os-release not found"
    echo "Your OS is unsupported"
    print_help
    exit 1
  fi

  debug "Detected host platform: $ID"

  # normalize distro ID
  case "$ID" in
    debian|arch) ;;
    centos|fedora)
      if command -v dnf &>/dev/null; then
        RPM_MGR="dnf"
      elif command -v yum &>/dev/null; then
        RPM_MGR="yum"
      fi
      ;;
    rhel) ID="centos" ;;
    linuxmint|neon|*ubuntu*) ID="ubuntu" ;;
    *suse*) ID="suse" ;;
    raspbian) ID="debian" ;;
    *)
      echo "Autodetecting distro, this may be unreliable"
      if hash dnf &>/dev/null; then
        ID="fedora"
        RPM_MGR="dnf"
      elif hash yum &>/dev/null; then
        ID="centos"
        RPM_MGR="yum"
      elif hash apt &>/dev/null; then
        ID="ubuntu"
      elif hash pacman &>/dev/null; then
        ID="arch"
      else
        return 1
      fi
      ;;
  esac

  debug "Using host platform: $ID"

  # Set distro-specific functions
  case "$ID" in
    fedora|centos) pkg_install(){ sudo "$RPM_MGR" install -y "$@"; } ;;
    debian|ubuntu) pkg_install(){ sudo apt-get install -y -q0 "$@"; } ;;
    suse) pkg_install(){ sudo zypper --non-interactive -q install --force --no-confirm "$@"; } ;;
    arch) pkg_install(){ sudo pacman -S --noconfirm --needed "$@"; } ;;
  esac

  if command -v axel &>/dev/null; then
    DL_TOOL="axel"
  elif command -v curl &>/dev/null; then
    DL_TOOL="curl"
  else
    echo "Downloading the Image Builder requires axel or curl"
    return 1
  fi
}

parse_input() {
  debug "${FUNCNAME[0]}" "$*"
  declare -ga PROFILES
  local long_opts='release:,version:,profile:,buildroot:,source,'
  long_opts+='ssh-upgrade:,ssh-backup:,flash:,reset,yes,debug,help'

  if _input=$(getopt -o +r:v:p:b:sf:ydh -l $long_opts -- "$@"); then
    eval set -- "$_input"
    while true; do
      case "$1" in
        --release|-r|--version|-v) shift; declare -g USER_RELEASE="$1" ;;
        --profile|-p) shift; PROFILES+=("$1") ;;
        --buildroot|-b) shift; BUILDROOT="$1" ;;
        --source|-s) FROM_SOURCE=1 ;;
        --ssh-upgrade) shift; SSH_UPGRADE_PATH="$1" ;;
        --ssh-backup) shift; SSH_BACKUP_PATH="$1" ;;
        --flash|-f) shift; FLASH_DEV="$1" ;;
        --reset) RESET=1 ;;
        --yes|-y) YES=1 ;;
        --debug|-d) echo "Debugging on"; DEBUG=1 ;;
        --help|-h) print_help; exit 0 ;;
        --)
          shift
          break
          ;;
      esac
      shift
    done
  else
    echo "Incorrect options provided"
    print_help; exit 1
  fi
}

install_dependencies() {
  debug "${FUNCNAME[0]}"
  local -a pkg_list
  local lock_file
  if ((FROM_SOURCE)); then
    lock_file="$BUILDROOT/.dependencies_sc"
  else
    lock_file="$BUILDROOT/.dependencies_ib"
  fi

  if [[ ! -f $lock_file ]]; then
    if ((FROM_SOURCE)); then
      # For building from source code
      # https://openwrt.org/docs/guide-developer/toolchain/install-buildsystem
      case "$ID" in
        fedora|centos)
          pkg_list+=(
            "bash-completion"
            "bzip2"
            "gcc"
            "gcc-c++"
            "git"
            "make"
            "ncurses-devel"
            "patch"
            "rsync"
            "tar"
            "unzip"
            "wget"
            "which"
            "diffutils"
            "python2"
            "python3"
            "python3-setuptools"
            "python3-pyelftools"
            "perl-base"
            "perl-Data-Dumper"
            "perl-File-Compare"
            "perl-File-Copy"
            "perl-FindBin"
            "perl-IPC-Cmd"
            "perl-Thread-Queue"
            "perl-Time-Piece"
            "perl-JSON-PP"
            "swig"
            "clang" # for qosify
            "llvm15-libs"
            "patch")
          ;;
        debian|ubuntu)
          pkg_list+=(
            "build-essential"
            "clang"
            "flex"
            "g++"
            "gawk"
            "gcc-multilib"
            "gettext"
            "git"
            "libncurses5-dev"
            "libssl-dev"
            "python3-distutils"
            "rsync"
            "unzip"
            "zlib1g-dev"
            "file"
            "wget"
            "patch")
          ;;
        arch)
          pkg_list+=(
            "base-devel"
            "autoconf"
            "automake"
            "bash"
            "binutils"
            "bison"
            "bzip2"
            "clang"
            "fakeroot"
            "file"
            "findutils"
            "flex"
            "gawk"
            "gcc"
            "gettext"
            "git"
            "grep"
            "groff"
            "gzip"
            "libelf"
            "libtool"
            "libxslt"
            "m4"
            "make"
            "ncurses"
            "openssl"
            "patch"
            "pkgconf"
            "python"
            "rsync"
            "sed"
            "texinfo"
            "time"
            "unzip"
            "util-linux"
            "wget"
            "which"
            "zlib"
            "patch")
          ;;
        *)
          debug "Skipping dependency install, your OS is unsupported"
          return 1
          ;;
      esac
    else
      # For Imagebuilder
      case "$ID" in
        fedora|centos)
          pkg_list+=(
            "@c-development" 
            "@development-tools"
            "@development-libs"
            "perl-FindBin"
            "zlib-static"
            "elfutils-libelf-devel"
            "gawk"
            "unzip"
            "file"
            "wget"
            "python3"
            "python2"
            "axel"
            "perl-IPC-Cmd")
          ;;
        debian|ubuntu)
          pkg_list+=(
            "build-essential"
            "libncurses5-dev"
            "libncursesw5-dev"
            "zlib1g-dev"
            "gawk"
            "git"
            "gettext"
            "libssl-dev"
            "xsltproc"
            "wget"
            "unzip"
            "python"
            "axel")
          ;;
        *)
          debug "Skipping dependency install, your OS is unsupported"
          return 1
          ;;
      esac
    fi
  fi

  pkg_install "${pkg_list[@]}" && echo "${pkg_list[@]}" > "$lock_file"
}

get_imagebuilder() {
  debug "${FUNCNAME[0]}" "$*"
  
  local -a url_file_pairs=("$@")

  for ((i=0; i<${#url_file_pairs[@]}; i+=2)); do
    local url="${url_file_pairs[i]}"
    local file="${url_file_pairs[i+1]}"

    # Check if file exists and ask user to remove and redownload
    if [[ -f $file ]] && ! ask_ok "Use existing $file?"; then
      execute rm -f "$file"
    fi

    # Download the file if it doesn't exist
    if [[ ! -f "$file" ]]; then
      echo "Downloading $url to $file using $DL_TOOL"
      execute "$DL_TOOL" "-o" "$file" "$url"
    fi
  done
}

add_repos() {
  debug "${FUNCNAME[0]}"

  if [[ -v P_ARR[repo] ]]; then
    if ! grep -q "${P_ARR[repo]}" "$BUILDDIR/repositories.conf"; then
      echo "${P_ARR[repo]}" >> "$BUILDDIR/repositories.conf"
    fi
    sed -i '/option check_signature/d' "$BUILDDIR/repositories.conf"
  fi
}

ssh_backup() {
  debug "${FUNCNAME[0]}"
  local date hostname backup_fname
  printf -v date '%(%Y-%m-%d-%H-%M-%S)T'
  hostname=$(ssh -qt "$SSH_BACKUP_PATH" echo -n \$HOSTNAME)
  backup_fname="backup-$hostname-$date.tar.gz"

  [[ -d "$FILESDIR" ]] || execute mkdir -p "$FILESDIR"

  # Make backup archive on remote
  if ! execute "ssh -t $SSH_BACKUP_PATH sysupgrade -b /tmp/$backup_fname"; then
    echo "SSH backup failed"
    exit 1
  fi

  # Move backup archive locally
  if ! execute "rsync -avz --remove-source-files $SSH_BACKUP_PATH:/tmp/$backup_fname $BUILDDIR/"; then
    echo "Could not copy SSH backup"
    exit 1
  fi

  # Extract backup archive
  if ! execute "tar -C $FILESDIR -xzf $BUILDDIR/$backup_fname"; then
    echo "Could not extract SSH backup"
    exit 1
  fi

  execute "rm $BUILDDIR/$backup_fname"
}

make_images() {
  debug "${FUNCNAME[0]}"

  # Reuse the existing output
  if [[ -d "$BINDIR" ]]; then
    if ask_ok "$BINDIR exists. Rebuild?"; then
      execute rm -rf "$BINDIR"
    else
      return 0
    fi
  fi

  debug make image BIN_DIR="$BINDIR" \
    PROFILE="$DEVICE" PACKAGES="$PACKAGES" \
    FILES="$FILESDIR" --directory="$BUILDDIR" \
    --jobs="$(($(nproc) - 1))"

  make image \
    BIN_DIR="$BINDIR" \
    PROFILE="$DEVICE" \
    PACKAGES="$PACKAGES" \
    FILES="$FILESDIR" \
    --directory="$BUILDDIR" \
    --jobs="$(($(nproc) - 1))"  \
    > "$BUILDDIR/make.log"
}

flash_images() {
  debug "${FUNCNAME[0]}"
  local img_gz="$1"
  local dev="$2"
  local img="${img_gz%.gz}"
  local partitions

  if [[ ! -e "$dev" ]]; then
    echo "The device specified by --flash could not be found"
    return 1
  fi

  if [[ ! -f $img_gz ]]; then
    echo "$img_gz does not exist"
    echo "Check your build output"
    return 1
  fi

  execute gunzip -qfk "$img_gz"
    
  echo "Unmounting target device $dev partitions"
  partitions=("$dev"?*)
  execute sudo umount "${partitions[@]}"

  if execute sudo dd if="$img" of="$dev" bs=2M conv=fsync; then
    sync
    echo "Image flashed sucessfully!"
  else
    echo "dd failed!"
    return 1
  fi
}

ssh_upgrade() {
  debug "${FUNCNAME[0]}"
  local img_gz="$1"
  local ssh_path="$2"
  local img_fname="${img_gz##*/}"

  if ! [[ -f $img_gz ]]; then
    echo "$img_gz is missing, check build output"
    return 1
  fi

  echo "Copying '$img_gz' to $ssh_path/tmp/$img_fname"
  debug "scp $img_gz $ssh_path:/tmp/$img_fname"
  if ! scp "$img_gz" "$ssh_path:/tmp/$img_fname"; then
    echo "Could not copy $img_gz to $ssh_path:/tmp/$img_fname"
    return 1
  fi
      
  echo "Executing remote sysupgrade"
  debug "ssh $ssh_path sysupgrade -F /tmp/$img_fname"
  # shellcheck disable=SC2029
  # execute remotely
  # this will probably be a weird exit code from closed connection
  ssh "$ssh_path" "sysupgrade -F /tmp/$img_fname"
}

from_source() {
  debug "${FUNCNAME[0]}" "$*"
  local seed_url="$1"
  local src_url="https://github.com/openwrt/openwrt.git"
  local seed_file="$GITWORKTREEDIR/.config"
  local pkg config commit seed_file wt_commit description
  local -a make_opts config_opts

  echo "Building from source is under development"

  # Update source code
  if [[ ! -d "$GITSRCDIR" ]]; then
    execute mkdir -p "$GITSRCDIR"
    execute git clone "$src_url" "$GITSRCDIR"
  fi

  git -C "$GITSRCDIR" pull
 
  # Generate commitish for git worktree
  case "$RELEASE" in
    snapshot)
      wt_commit="origin/main"
      ;;
    [0-9][0-9].[0-9][0-9].*)
      local branch="openwrt-${RELEASE%.*}"
      local tag="v$RELEASE"
      if ask_ok "Use $branch branch HEAD (y, recommended) or $tag tag (N)?"; then
        wt_commit="origin/$branch"
      else
        wt_commit="$tag"
      fi
      ;;
    *)
      debug "Passing '$RELEASE' commit-ish to git worktree"
      wt_commit="$RELEASE"
      ;;
  esac

  # TODO There's a bug in the make clean functions that seem to invoke a full make
  # if [[ -d "$GITWORKTREEDIR" ]]; then
  #   execute git -C "$GITWORKTREEDIR" checkout "$wt_commit"
  #   execute git -C "$GITWORKTREEDIR" pull
  # else
  #   execute git -C "$GITSRCDIR" worktree add --force --detach "$GITWORKTREEDIR" "$wt_commit"
  # fi

  # To workaround bug, don't use make *clean, blow it away and start fresh
  [[ -d "$GITWORKTREEDIR" ]] && execute rm -rf "$GITWORKTREEDIR"
  execute git -C "$GITSRCDIR" worktree add --force --detach "$GITWORKTREEDIR" "$wt_commit"

  # Print commit information
  commit=$(git -C "$GITWORKTREEDIR" rev-parse HEAD)
  description=$(git -C "$GITWORKTREEDIR" describe)
  echo "Current commit hash: $commit"
  echo "Git worktree description: $description"
  
  if ((DEBUG)); then
    if ((YES)); then
      git --no-pager -C "$GITWORKTREEDIR" log -1
    else
      git -C "$GITWORKTREEDIR" log -1
    fi
  fi

  # Enter worktree
  execute pushd "$GITWORKTREEDIR" || return 1

  # Update package feed
  ./scripts/feeds update -i -f &&
  ./scripts/feeds update -a -f &&
  ./scripts/feeds install -a -f

  # Grab the release seed config
  if ! execute "$DL_TOOL" "-o" "$seed_file" "$seed_url"; then
    echo "Could not obtain $seed_file from $seed_url"
    return 1
  fi

  # Set compilation output dir
  config_opts+=("CONFIG_BINARY_FOLDER=\"$BINDIR\"")

  # Add custom packages
  for pkg in $PACKAGES; do
    if [[ $pkg == -* ]]; then
      config_opts+=("CONFIG_PACKAGE_${pkg#-}=n") # remove package
    else
      config_opts+=("CONFIG_PACKAGE_$pkg=y") # add package
    fi
  done

  # Add config options from profile
  for config in ${P_ARR[config]}; do
    config_opts+=("$config")
  done

  # Only compile selected fs
  execute sed -i '/CONFIG_TARGET_ROOTFS_/d' "$seed_file"
  config_opts+=("CONFIG_TARGET_PER_DEVICE_ROOTFS=n")
  if [[ $FILESYSTEM == "squashfs" ]]; then
    config_opts+=("CONFIG_TARGET_ROOTFS_EXT4FS=n")
    config_opts+=("CONFIG_TARGET_ROOTFS_SQUASHFS=y")
  elif [[ $FILESYSTEM == "ext4" ]]; then
    config_opts+=("CONFIG_TARGET_ROOTFS_SQUASHFS=n")
    config_opts+=("CONFIG_TARGET_ROOTFS_EXT4FS=y")
  fi

  # Only compile selected target image
  execute sed -i '/CONFIG_TARGET_DEVICE_/d' "$seed_file"
  config_opts+=("CONFIG_TARGET_MULTI_PROFILE=n")
  config_opts+=("CONFIG_TARGET_PROFILE=DEVICE_$DEVICE")
  config_opts+=("CONFIG_TARGET_${TARGET//\//_}_DEVICE_$DEVICE=y")
  config_opts+=("CONFIG_SDK=n")
  config_opts+=("CONFIG_SDK_LLVM_BPF=n")
  config_opts+=("CONFIG_IB=n")
  config_opts+=("CONFIG_MAKE_TOOLCHAIN=n")
  
  # Write options to config seed file
  for config in "${config_opts[@]}"; do
    debug "Writing $config to $seed_file"
    echo "$config" >> "$seed_file"
  done

  # Cleaning modes
  # make clean # compiled output
  # make targetclean # compiled output, toolchain
  # make dirclean # compiled output, toolchain, build tools
  # make distclean # compiled output, toolchain, build tools, .config, feeds, .ccache

  # Make prep
  ((DEBUG)) && make_opts+=("V=s")
  #execute make "${make_opts[@]}" "-j1" dirclean # TODO 'dirclean' has a bug that triggers menuconfig
  execute make "${make_opts[@]}" "-j1" defconfig
  execute make "${make_opts[@]}" "-j1" download

  # Make image
  if ! execute ionice -c 3 chrt --idle 0 nice -n19 make "${make_opts[@]}" "-j$(($(nproc)+1))" world; then
    echo "Error: make failed"
    return 1
  fi

  popd || return 1

  # Symlink output images to root of BINDIR (match Image Builder)
  shopt -s nullglob
  for image in "$BINDIR/targets/${TARGET}/"*.{img,img.gz,ubi}; do
    ln -fs "$image" "$BINDIR/${image##*/}"
  done
  shopt -u nullglob

  return 0
}

# Generic helpers
debug() { ((DEBUG)) && echo "Debug: $*"; }
ask_ok() {
  ((YES)) && return
  local r
  read -r -p "$* [y/N]: " r
  r=${r,,}
  [[ "$r" =~ ^(yes|y)$ ]]
}
extract() {
  debug "${FUNCNAME[0]}" "$*"
  local archive="$1"
  local out_dir="$2"
  if ! execute tar -axf "$archive" -C "$out_dir" --strip-components 1; then
    echo "Extraction failed"
    return 1
  fi
}
verify() {
  debug "${FUNCNAME[0]}" "$*"
  local file_to_check="$1"
  local sumfile="$2"
  local checksum

  hash sha256sum &>/dev/null || return 1
  [[ -f $sumfile && -f $file_to_check ]] || return 1
  checksum=$(grep "${file_to_check##*/}" "$sumfile" | cut -f1 -d' ')
  echo -n "$checksum $file_to_check" | sha256sum --check --status
}
load() {
  debug "${FUNCNAME[0]}" "$*"
  local source_file="$1"
  # shellcheck disable=SC1090
  [[ -f $source_file ]] && source "$source_file"
}
execute() {
  if debug "$*"; then
    "$@"
  else
    "$@" &>/dev/null
  fi
}

main() {
  debug "${FUNCNAME[0]}"

  init
  load "$SCRIPTDIR/profiles"
  parse_input "$@"

  # Fallback to SCRIPTDIR if BUILDROOT has not been set
  declare -g BUILDROOT="${BUILDROOT:=$SCRIPTDIR}"
  declare -g FILESDIR="${FILESDIR:=$BUILDROOT/src/files}"

  # This could be dangerous
  if [[ $BUILDROOT == "/" ]]; then
    echo "Invalid --buildroot"
    exit 1
  fi

  for dir in "$BUILDROOT/src" "$BUILDROOT/bin"; do
    [[ -d "$dir" ]] || execute mkdir -p "$dir"
  done

  # Allow --reset without a profile
  if ((RESET)) && [[ ${#PROFILES} -lt 1 ]]; then
    for d in "$BUILDROOT/src" "$BUILDROOT/bin"; do
      ask_ok "Remove $d?" && execute rm -rf "$d"
    done
    exit $?
  fi

  install_dependencies

  for profile in "${PROFILES[@]}"; do
    debug "Running profile: $profile"

    if [[ ! ${!profile@a} = A ]]; then
      echo "Profile '$profile' does not exist"
      return 1
    fi

    # Store profile in P_ARR nameref
    declare -gn P_ARR="$profile"
    declare -g FILESYSTEM="${P_ARR[filesystem]:="squashfs"}"
    declare -g TARGET="${P_ARR[target]}"
    declare -g DEVICE="${P_ARR[device]}"
    declare -g PACKAGES="${P_ARR[packages]:-}"
    declare -g RELEASE="${USER_RELEASE:=${P_ARR[release]:=$RELEASE}}"

    # normalize RELEASE
    case "$RELEASE" in
      snapshot|latest|main|master) RELEASE="snapshot" ;;
      v[0-9][0-9].[0-9][0-9].*) RELEASE="${RELEASE#v}" ;;
      [0-9][0-9].[0-9][0-9].*) ;;
      *)
        if ! ((FROM_SOURCE)); then
          echo "Error: Invalid release version format"
          echo "Use semantic version, tag, or 'snapshot'"
          exit 1
        fi
        ;;
    esac

    declare -g GITSRCDIR="$BUILDROOT/src/openwrt"
    declare -g GITWORKTREEDIR="$BUILDROOT/src/$profile/$RELEASE-src"
    declare -g BUILDDIR="$BUILDROOT/src/$profile/$RELEASE"
    declare -g BINDIR="$BUILDROOT/bin/$profile/$RELEASE"

    if [[ "$RELEASE" == "snapshot" ]]; then
      local url_prefix="https://downloads.openwrt.org/snapshots/targets/$TARGET"
      local url_filename="openwrt-imagebuilder-${TARGET//\//-}.Linux-x86_64.tar.zst"
      local img_fname="openwrt-${TARGET//\//-}-$DEVICE-$FILESYSTEM" 
    else
      local url_prefix="https://downloads.openwrt.org/releases/$RELEASE/targets/$TARGET"
      local url_filename="openwrt-imagebuilder-$RELEASE-${TARGET//\//-}.Linux-x86_64.tar.xz"
      local img_fname="openwrt-$RELEASE-${TARGET//\//-}-$DEVICE-$FILESYSTEM"
    fi

    local ib_url="$url_prefix/$url_filename"
    local ib_file="$BUILDDIR/$url_filename"
    local ib_sha256_url="$url_prefix/sha256sums"
    local ib_sha256_file="$BUILDDIR/sha256sums"
    local seed_url="$url_prefix/config.buildinfo"

    if ((FROM_SOURCE)); then
      declare -g SYSUPGRADEIMGGZ="$BINDIR/targets/$img_fname-sysupgrade.img.gz"
    else
      declare -g SYSUPGRADEIMGGZ="$BUILDDIR/$img_fname-sysupgrade.img.gz"
    fi

    if ((RESET)); then
      if ((FROM_SOURCE)); then
        [[ -d $GITWORKTREEDIR ]] && ask_ok "Remove $GITWORKTREEDIR?"
          execute git worktree remove --force "$GITWORKTREEDIR"
          execute rm -rf "$GITWORKTREEDIR"
      elif [[ -d $BUILDDIR ]] && ask_ok "Remove $BUILDDIR?"; then
        execute rm -rf "$BUILDDIR"
      fi
    fi

    if ((DEBUG)); then
      echo "Profile settings:"
      for x in "${!P_ARR[@]}"; do printf "%s=%s\n" "$x" "${P_ARR[$x]}"; done
      echo "Environment variables:"
      declare -p
    fi

    if ((FROM_SOURCE)); then
      from_source "$seed_url" || return $?
    else
      [[ -d $BUILDDIR ]] || mkdir -p "$BUILDDIR"
      get_imagebuilder "$ib_url" "$ib_file" "$ib_sha256_url" "$ib_sha256_file" && 
      verify "$ib_file" "$ib_sha256_file" &&
      extract "$ib_file" "$BUILDDIR" || return $?
      add_repos
      make_images
      # Verify output image for stock builds (in testing)
      if [[ ! -v P_ARR[packages] || -z ${P_ARR[packages]} ]]; then
        shopt -s nullglob
        local -a outfiles=("$BINDIR"/*.img.gz "$BINDIR"/*.img)
        shopt -u nullglob
        for outfile in "${outfiles[@]}"; do
          verify "$outfile" "$ib_sha256_file" || return 1
        done
      fi
      #copyFiles
    fi

    [[ -v SSH_BACKUP_PATH ]] && ssh_backup
    [[ -v SSH_UPGRADE_PATH ]] && ssh_upgrade "$SYSUPGRADEIMGGZ" "$SSH_UPGRADE_PATH"
    [[ -v FLASH_DEV ]] && flash_images "$SYSUPGRADEIMGGZ" "$FLASH_DEV"
  done
}

main "$@"
exit $?