archive/dragora-installer/dragora-installer

   1 #! /bin/sh -
   2 #
   3 # The installer of Dragora GNU/Linux-Libre
   4 #
   5 # Copyright (c) 2019 Matias Fonzo, <selk@dragora.org>.
   6 #
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 # Exit immediately on any error
  21 set -e
  22
  23 PROGRAM="${0##*/}"
  24 TMPDIR="${TMPDIR:-$HOME}"
  25 TMPFILE="${TMPDIR}/${PROGRAM}.${RANDOM-0}$$"
  26 LOCKFILE=/tmp/dragora-installer.lockfile
  27
  28 # Override locale settings
  29 LC_ALL=C
  30 LANGUAGE=C
  31 export LC_ALL LANGUAGE
  32
  33 chkstatus_or_exit()
  34 {
  35     status=$?
  36
  37     # Clean up temporary files
  38     rm -f -- "$TMPFILE" "$LOCKFILE"
  39
  40     # Clean up temporary subdirectory related to the installer
  41     if test -z "$PRESERVE"
  42     then
  43         rm -rf -- "$SUBTMPDIR"
  44     fi
  45
  46     if test $status -ne 0
  47     then
  48         printf "%s\n" "" "^ Return status = $status" 1>&2
  49         exit 2;
  50     fi
  51
  52     unset status
  53 }
  54
  55 # Sanity checks
  56
  57 if test ! -d "$TMPDIR"
  58 then
  59     echo "${PROGRAM}: \`${TMPDIR}' is not a qualified temporary directory" 1>&2
  60     exit 1;
  61 fi
  62 if test ! -w "$TMPDIR"
  63 then
  64     echo "${PROGRAM}: \`${TMPDIR}' is not a writable temporary directory" 1>&2
  65     exit 1;
  66 fi
  67
  68 trap 'chkstatus_or_exit' EXIT HUP INT QUIT ABRT TERM
  69
  70 umask 077;      # Remove access for all but user.
  71
  72 # Set a lock to allow only one instance of the installer
  73
  74 if ( set -C ; echo ": $PROGRAM - locked" > $LOCKFILE ) 2> /dev/null
  75 then
  76     true
  77 else
  78     if test -e "$LOCKFILE"
  79     then
  80         echo "Only one instance of \`${PROGRAM}' is allowed." 1>&2
  81         exit 1;
  82     else
  83         echo "${PROGRAM}: \`${LOCKFILE}' lock failed." 1>&2
  84         exit 2;
  85     fi
  86 fi
  87
  88 # Create subdirectory to store the files produced by the installer
  89
  90 SUBTMPDIR="${TMPDIR}/.${PROGRAM}"       # Default sets to "${HOME}/.dragora-installer".
  91 mkdir -p -m 700 -- $SUBTMPDIR
  92
  93 umask 022;      # Remove write permission for group and other.
  94
  95 # Detect and prepare initial list of Linux partition(s)
  96
  97 if fdisk -l | grep -m 1 Linux | grep -q -v swap
  98 then
  99     fdisk -l | grep Linux | grep -v swap | LC_COLLATE=C sort \
 100      > ${SUBTMPDIR}/partitions
 101 else
 102     printf "%s\n" \
 103      "    Linux partitions were not detected."                               \
 104      ""                                                                      \
 105      "A Linux partition is required to continue the installation.  You can"  \
 106      "use utilities such as fdisk(8), cfdisk(8) or parted(8) to create at"   \
 107      "least one Linux partition.  Then run \`${PROGRAM}' again."
 108      exit 1;
 109 fi
 110
 111 # Determine the maximum size of the terminal to be used on the dialogues.
 112 # Try using shell variables that set LINES and COLUMNS, first.
 113 echo "Checking terminal size ..."
 114 if test -z "$LINES"
 115 then
 116     LINES="$(tput lines)" || \
 117      { LINES="$(stty size)" && LINES="${LINES% *}"; }
 118 fi
 119 if test -z "$COLUMNS"
 120 then
 121     COLUMNS="$(tput cols)" || \
 122      { COLUMNS="$(stty size)" && COLUMNS="${COLUMNS#* }"; }
 123 fi
 124 echo "$LINES $COLUMNS"
 125
 126 export SUBTMPDIR LINES COLUMNS
 127
 128 dialog --colors \
 129  --backtitle "\ZbDragora 3.0 Installer" \
 130  --title "INSTALLER INFORMATION" \
 131  --cr-wrap --msgbox \
 132 "Welcome to \Z3${PROGRAM}\Zn.\n\n\
 133 This program prepares Dragora 3.0 to run on your computer.\n\n\
 134     - To set up Dragora now, press \ZuENTER\Zn.\n\n\
 135     - To quit, press \ZuEsc\Zn.\n\n\
 136
 137 Use the arrow keys to move between options and selections, also \ZuTAB\Zn to
 138 jump from one option to another.  \ZuENTER\Zn to continue, \ZuEsc\Zn to cancel
 139 or return to a previous menu, and \ZuCtrl+C\Zn to abort the installation at
 140 any time.
 141
 142 * Here is a representation of the most commonly used keys in a QWERTY layout:
 143
 144 \Z3[Esc]\Zn  \Z3[F1]\Zn
 145                                            \Z3[<- ]\Zn  \Z3[Ins][Home][PageUp]\Zn
 146 \Z3[TAB]\Zn                                             \Z3[Del][End ][PageDown]\Zn
 147                                        \Z3[-ENTER-]\Zn
 148            \Z3[c]\Zn                                         \Z3[^]\Zn
 149 \Z3[Ctrl]\Zn    \Z3[          SPACE          ]\Zn               \Z3[<][V][>]\Zn
 150 \Zn" $((LINES - 8)) $((COLUMNS - 8))
 151
 152 # Try to detect and mount the hybrid ISO image, there may be a USB memory
 153 # stick already inserted.  If not, the media menu will be displayed.
 154
 155 mkdir -p -- /media/dragora-medium
 156
 157 if ! blkid -t LABEL="Dragora Packages" > /dev/null
 158 then
 159     dialog --colors \
 160      --backtitle "\ZbInstallation Medium" \
 161      --title "Pendrive/SDCard/CDROM" \
 162      --msgbox \
 163 "Please insert the media labeled as \"Dragora Packages\" and\n\
 164 press \Zb\Z7ENTER\Zn to continue.  Otherwise a media selection menu\n\
 165 will be displayed." 7 63
 166     if blkid -t LABEL="Dragora Packages" > /dev/null
 167     then
 168         if ! mountpoint -q /media/dragora-medium
 169         then
 170             mount -v -t iso9660 LABEL="Dragora Packages" /media/dragora-medium && \
 171              echo "/media/dragora-medium/packages" > ${SUBTMPDIR}/MediumFound
 172             sleep 2
 173         fi
 174     else
 175         . @PARTS@MenuMedia
 176     fi
 177 else
 178     if ! mountpoint -q /media/dragora-medium
 179     then
 180         mount -v -t iso9660 LABEL="Dragora Packages" /media/dragora-medium
 181         sleep 2
 182     fi
 183     echo "/media/dragora-medium/packages" > ${SUBTMPDIR}/MediumFound
 184 fi
 185
 186 # Attempt to unmount possible pre-mounted filesystem(s)
 187 mountpoint -q /media/dragora-root/sys && umount /media/dragora-root/sys
 188 mountpoint -q /media/dragora-root/proc && umount /media/dragora-root/proc
 189 mountpoint -q /media/dragora-root/dev && umount /media/dragora-root/dev
 190
 191 # Clean up possible empty mount-directories
 192 rmdir -- \
 193  /media/dragora-medium \
 194  /media/dragora-root 2> /dev/null || true
 195
 196 # Double-check to see the installation directory
 197 if test ! -f "${SUBTMPDIR}/MediumFound"
 198 then
 199     dialog --colors \
 200      --backtitle "\ZbInstallation Medium" \
 201      --title "MEDIUM NOT FOUND" \
 202      --sleep 7 --infobox \
 203 "\nNo means of installation was found to proceed with\n\
 204 the installation of Dragora.  Please check your\n\
 205 drives and the directory containing the software\n\
 206 packages." 8 55
 207     exit 99;
 208 fi
 209
 210 . @PARTS@MakeSwap;              # Verify/give format to a Swap partition.
 211 . @PARTS@MakeFS;                # Verify/give format to Linux partitions.
 212 . @PARTS@FstabEdit;             # File system table edition (fstab).
 213 . @PARTS@MountRoot;             # Mount root partition for installation.
 214 . @PARTS@FstabMounts;           # Mount rest of file systems from fstab.
 215 . @PARTS@ShowSeries;            # Show software series.
 216 . @PARTS@InstallPackages;       # Package installation.
 217 . @PARTS@SetPassword;           # Set password for root.
 218 . @PARTS@MenuBootloader;        # Boot loader installation.
 219 . @PARTS@ConfServices;          # Running services.
 220 . @PARTS@CopyConfig;            # Copy local config files (keymap, mouse).
 221
 222 umount /media/dragora-root/dev   > /dev/null 2>&1 || true
 223 umount /media/dragora-root/proc  > /dev/null 2>&1 || true
 224
 225 if test -e /media/dragora-root/etc/fstab
 226 then
 227     if mountpoint -q /media/dragora-medium
 228     then
 229         umount /media/dragora-medium
 230     fi
 231     if test -s ${SUBTMPDIR}/SeTCDdev
 232     then
 233         _status=0
 234         dialog --clear --colors \
 235          --title "The Setup for Dragora has been completed" \
 236          --msgbox \
 237 "\nWhen you are ready, you can press \Zb\Z7ENTER\Zn to eject the installation disc...\n" 8 70 || _status=$?
 238         if test $_status -eq 0
 239         then
 240             cdrom_device="$(cat -- ${SUBTMPDIR}/CDDevice)"
 241
 242             # Try to eject using SCSI commands, fallback on CDROM eject command
 243             eject --scsi $cdrom_device || eject --cdrom $cdrom_device
 244
 245             dialog \
 246              --title "The Setup for Dragora has been completed" \
 247              --msgbox "\nPlease remove the installation disc.\n" 7 44 || true
 248
 249             # Attempt to use the tray close command
 250             eject -t $cdrom_device > /dev/null 2>&1 || true
 251         fi
 252         unset _status cdrom_device
 253     fi
 254 fi
 255
 256 sync
 257
 258 _status=0
 259 dialog --clear --colors \
 260  --backtitle "\ZbSystem restart" \
 261  --title "The Setup for Dragora has been completed" \
 262  --yesno \
 263 "\nWould you like to reboot the system now?.\n" 7 46 || _status=$?
 264 case $_status in
 265 0)
 266     unset _status
 267     dialog --clear
 268     exec reboot -d -f
 269     ;;
 270 *)
 271     unset _status
 272     echo ""
 273     echo ""
 274     echo ""
 275     echo "Going out to the shell..."
 276     echo ""
 277     echo ""
 278     exit 0
 279     ;;
 280 esac
 281