lfbs

   1 #!/usr/bin/env bash
   2
   3 # SPDX-License-Identifier: GPL-3.0
   4 #
   5 # kokkiemouse
   6 # Twitter: @kokkiemouse
   7 # Email  : kokkiemouse@gmail.com
   8 #
   9 # lfbs
  10 #
  11
  12 set -e
  13 # set -u
  14
  15 export LANG=C
  16
  17 script_path=$(readlink -f "${0%/*}")
  18 cache_dir="${script_path}/cache"
  19
  20 work_dir="${script_path}/work"
  21 channels_dir="${script_path}/channels"
  22 codename="32"
  23 os_name="Fedora"
  24 iso_name="Fedora"
  25
  26 arch=amd64
  27
  28 out_dir="${script_path}/out"
  29 iso_label="${os_name}_${codename}_${arch}"
  30 iso_publisher='Fascode Network <https://fascode.net>'
  31 iso_application="${os_name} Live/Rescue CD"
  32 iso_version="${codename}-$(date +%Y.%m.%d)"
  33 iso_filename="${iso_name}-${iso_version}-${arch}.iso"
  34
  35 username="liveuser"
  36 usershell="/bin/bash"
  37
  38 debug=false
  39 cache_only=false
  40
  41
  42 start_time="$(date +%s)"
  43
  44 _msg_common() {
  45     if [[ "${debug}" = true ]]; then
  46         local _current_time
  47         local _time
  48         _current_time="$(date +%s)"
  49         _time="$(("${_current_time}"-"${start_time}"))"
  50
  51         if [[ "${_time}" -ge 3600 ]]; then
  52             echo "[$(date -d @${_time} +%H:%M.%S)]$("${script_path}/echo_color" -t 6 "[LUBS Core]")"
  53         elif [[ "${_time}" -ge 60 ]]; then
  54             echo "[00:$(date -d @${_time} +%M.%S)]$("${script_path}/echo_color" -t 6 "[LUBS Core]")"
  55         else
  56             echo "[00:00.$(date -d @${_time} +%S)] $("${script_path}/echo_color" -t 6 "[LUBS Core]")"
  57         fi
  58     else
  59         "${script_path}/echo_color" -t 6 "[LUBS Core]"
  60     fi
  61 }
  62
  63 # Show an INFO message
  64 # _msg_info <message>
  65 _msg_info() {
  66     local _msg
  67     _msg="${@}"
  68     echo "$(_msg_common)  $("${script_path}/echo_color" -t 2 "Info:") ${_msg}"
  69 }
  70
  71 # Show an debug message
  72 # _msg_debug <message>
  73 _msg_debug() {
  74     if [[ "${debug}" = true ]]; then
  75         local _msg
  76         _msg="${@}"
  77         echo "$(_msg_common)  $("${script_path}/echo_color" -t 3 "Debug:") ${_msg}"
  78     fi
  79 }
  80
  81 # Show an ERROR message then exit with status
  82 # _msg_error <message> <exit code>
  83 _msg_error() {
  84     local _msg
  85     local _error
  86     _msg="${1}"
  87     _error=${2}
  88     echo "$(_msg_common)  $("${script_path}/echo_color" -t 1 "Error:") ${_msg}"
  89
  90     if [[ ! ${_error} = 0 ]]; then
  91         exit ${_error}
  92     fi
  93 }
  94
  95 # Unmount chroot dir
  96 umount_chroot () {
  97     local mount
  98
  99     for mount in $(mount | awk '{print $3}' | grep "$(realpath "${work_dir}")" | sort -r); do
 100         _msg_info "Unmounting ${mount}"
 101         umount -fl "${mount}"
 102     done
 103 }
 104
 105 # Helper function to run make_*() only one time.
 106 run_once() {
 107     local name
 108     umount_chroot
 109     name="$1"
 110
 111     if [[ ! -e "${work_dir}/build.${name}" ]]; then
 112         _msg_info "$(echo $name | sed "s@_@ @g") is starting."
 113         "${1}"
 114         _msg_info "$(echo $name | sed "s@_@ @g") was done!"
 115         touch "${work_dir}/build.${name}"
 116     fi
 117 }
 118
 119 run_cmd() {
 120     local mount
 121
 122     for mount in "dev" "dev/pts" "proc" "sys" "run/systemd/resolve/stub-resolv.conf"; do
 123         if [[ "${mount}" == "run/systemd/resolve/stub-resolv.conf" ]]; then
 124             mount --bind /etc/resolv.conf "${work_dir}/airootfs/${mount}"
 125         else
 126             mount --bind /${mount} "${work_dir}/airootfs/${mount}"
 127         fi
 128     done
 129
 130     chroot "${work_dir}/airootfs" "${@}"
 131
 132     for mount in $(mount | awk '{print $3}' | grep "$(realpath "${work_dir}")" | sort -r); do
 133         umount -fl "${mount}"
 134     done
 135 }
 136
 137 _apt_install() {
 138     run_cmd apt-get --no-install-recommends --yes install ${@}
 139 }
 140
 141 # rm helper
 142 # Delete the file if it exists.
 143 # For directories, rm -rf is used.
 144 # If the file does not exist, skip it.
 145 # remove <file> <file> ...
 146 remove() {
 147     local _list
 148     local _file
 149     _list=($(echo "$@"))
 150
 151     for _file in "${_list[@]}"; do
 152         _msg_debug "Removeing ${_file}"
 153
 154         if [[ -f ${_file} ]]; then
 155             rm -f "${_file}"
 156         elif [[ -d ${_file} ]]; then
 157             rm -rf "${_file}"
 158         fi
 159     done
 160 }
 161
 162 # Show help
 163 _usage () {
 164     echo "usage ${0} [options] [channel]"
 165     echo
 166     echo " General options:"
 167     echo
 168     echo "    -a | --arch <str>      Set architecture"
 169     echo "                           Default: ${arch}"
 170     echo "    -c | --codename <str>  Set ubuntu codename"
 171     echo "                           Default: ${codename}"
 172     echo "    -m | --mirror <url>    Set apt mirror server."
 173     echo "                           Default: ${mirror}"
 174     echo "    -o | --out <out_dir>   Set the output directory"
 175     echo "                           Default: ${out_dir}"
 176     echo "    -w | --work <work_dir> Set the working directory"
 177     echo "                           Default: ${work_dir}"
 178     echo
 179     echo "    -d | --debug           "
 180     echo "    -h | --help            This help message and exit"
 181     echo
 182     echo "You can switch between installed packages, files included in images, etc. by channel."
 183     echo
 184     echo " Channel:"
 185
 186     local _channel
 187     local channel_list
 188     local description
 189
 190     for _channel in $(ls -l "${channels_dir}" | awk '$1 ~ /d/ {print $9 }'); do
 191         if [[ -n $(ls "${channels_dir}/${_channel}") ]] && [[ ! "${_channel}" = "share" ]]; then
 192             channel_list+=( "${_channel}" )
 193         fi
 194     done
 195
 196     for _channel in ${channel_list[@]}; do
 197         if [[ -f "${channels_dir}/${_channel}/description.txt" ]]; then
 198             description=$(cat "${channels_dir}/${_channel}/description.txt")
 199         else
 200             description="This channel does not have a description.txt."
 201         fi
 202
 203         echo -ne "    ${_channel}"
 204
 205         for i in $( seq 1 $(( 23 - ${#_channel} )) ); do
 206             echo -ne " "
 207         done
 208
 209         echo -ne "${description}\n"
 210     done
 211 }
 212
 213
 214 prepare_build() {
 215     if [[ ${EUID} -ne 0 ]]; then
 216         _msg_error "This script must be run as root." 1
 217     fi
 218
 219     [[ ! -d "${work_dir}" ]] && mkdir -p "${work_dir}"
 220     [[ ! -d "${out_dir}" ]] && mkdir -p "${out_dir}"
 221     umount_chroot
 222
 223     # Check codename
 224     if [[ -z $(grep -h -v ^'#' ${channels_dir}/${channel_name}/codename.${arch} | grep -x ${codename}) ]]; then
 225         _msg_error "This codename (${channel_name}) is not supported on this channel (${codename})."
 226     fi
 227
 228 }
 229
 230 make_basefs() {
 231     local dnf_status
 232     statusfile="${cache_dir}/${codename}/status"
 233
 234     dnf_status() {
 235         if [[ ! -d "$(dirname ${statusfile})" ]]; then
 236             mkdir -p "$(dirname ${statusfile})"
 237         fi
 238         echo "${1}" > "${statusfile}"
 239     }
 240
 241     if [[ -f "${statusfile}" ]] && [[ $(cat "${statusfile}" 2> /dev/null) = "Done" ]]; then
 242         _msg_info "${codename} cache is found."
 243     else
 244         remove "${cache_dir}/${codename}"
 245         dnf_status "Running"
 246         _msg_info "Installing Fedora to '${cache_dir}/${codename}/airootfs'..."
 247         mkdir -p "${cache_dir}/${codename}/airootfs"
 248         dnf install dnf --releasever=${codename} --installroot="${cache_dir}/${codename}/airootfs"  -y
 249         _msg_info "${codename} installed successfully!"
 250         dnf_status "Done"
 251     fi
 252
 253     if [[ "${cache_only}" = true ]]; then
 254         exit 0
 255     fi
 256
 257     rm -rf "${work_dir}/airootfs" && mkdir -p "${work_dir}/airootfs"
 258     _msg_info "copy base files from '${cache_dir}/${codename}/airootfs' to '${work_dir}/airootfs'..."
 259     rsync  -au "${cache_dir}/${codename}/airootfs/" "${work_dir}/airootfs"
 260     echo 'PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:${PATH}' >> "${work_dir}/airootfs/etc/bash.bashrc"
 261     #run_cmd apt-get update
 262     # run_cmd apt-get upgrade
 263 }
 264 make_basefs