askutils.sh

   1 #!/bin/bash
   2
   3 # User questions are seperated into functions to be reused in alternative installers
   4 # like topinstall.sh
   5
   6 # check if the install session is GUI or cli
   7 guimode() {
   8     if [ -e /opt/noguimode ]; then
   9         return 1
  10     fi
  11
  12     if [ -n "$GUIMODE" ]; then
  13         return 0
  14     else
  15         return 1
  16     fi
  17 }
  18
  19 # add installation info to summary
  20 addsum() {
  21     SUMMARY="$SUMMARY
  22         $1: $(iroot $2)"
  23 }
  24
  25 # set status wallpaper
  26 wallstatus() {
  27     guimode && feh --bg-scale /usr/share/liveutils/$1.jpg &
  28 }
  29
  30 # ask for keyboard layout
  31 asklayout() {
  32     cd /root/instantARCH/data/lang/keyboard
  33     while [ -z "$NEWKEY" ]; do
  34         wallstatus worldmap
  35         NEWKEY="$(ls | imenu -l 'Select keyboard layout ')"
  36
  37         # allow directly typing in layout name
  38         if [ "$NEWKEY" = "other" ]; then
  39             OTHERKEY="$(localectl list-x11-keymap-layouts | imenu -l 'select keyboard layout ')"
  40
  41             if [ -z "$OTHERKEY" ]; then
  42                 unset NEWKEY
  43             else
  44                 # newline is intentional!!!
  45                 echo "
  46 $OTHERKEY" >/root/instantARCH/data/lang/keyboard/other
  47             fi
  48         fi
  49     done
  50
  51     # option to cancel the installer
  52     if [ "${NEWKEY}" = "forcequit" ]; then
  53         exit 1
  54     fi
  55     iroot keyboard "$NEWKEY"
  56 }
  57
  58 # ask for default locale
  59 asklocale() {
  60     cd /root/instantARCH/data/lang/locale
  61     while [ -z "$NEWLOCALE" ]; do
  62         NEWLOCALE="$(ls | imenu -l 'Select language> ')"
  63     done
  64     iroot locale "$NEWLOCALE"
  65
  66 }
  67
  68 # ask for region with region/city
  69 askregion() {
  70     cd /usr/share/zoneinfo
  71     while [ -z "$REGION" ]; do
  72         REGION=$(ls | imenu -l "select region ")
  73     done
  74
  75     if [ -d "$REGION" ]; then
  76         cd "$REGION"
  77         while [ -z "$CITY" ]; do
  78             CITY=$(ls | imenu -l "select the City nearest to you ")
  79         done
  80     fi
  81
  82     [ -n "$CITY" ] && iroot city "$CITY"
  83
  84 }
  85
  86 # choose between different nvidia drivers
  87 askdrivers() {
  88     if lspci | grep -iq 'nvidia'; then
  89         echo "nvidia card detected"
  90         while [ -z "$DRIVERCHOICE" ]; do
  91             DRIVERCHOICE="$(echo 'nvidia proprietary (recommended)
  92 nvidia-dkms (try if proprietary does not work)
  93 nouveau open source
  94 install without graphics drivers (not recommended)' | imenu -l 'select graphics drivers')"
  95
  96             if grep -q "without" <<<"$DRIVERCHOICE"; then
  97                 if ! echo "are you sure you do not want to install graphics drivers?
  98 This could prevent the system from booting" | imenu -C; then
  99                     unset DRIVERCHOICE
 100                 fi
 101             fi
 102
 103         done
 104
 105         if grep -qi "dkms" <<<"$DRIVERCHOICE"; then
 106             iroot graphics "dkms"
 107         elif grep -qi "nvidia" <<<"$DRIVERCHOICE"; then
 108             iroot graphics "nvidia"
 109         elif grep -qi "open" <<<"$DRIVERCHOICE"; then
 110             iroot graphics "open"
 111         elif [ -z "$DRIVERCHOICE" ]; then
 112             iroot graphics "nodriver"
 113         fi
 114
 115     else
 116         echo "no nvidia card detected"
 117     fi
 118
 119 }
 120
 121 # offer to choose mirror country
 122 askmirrors() {
 123     curl -s 'https://www.archlinux.org/mirrorlist/' | grep -i '<option value' >/tmp/mirrors.html
 124     grep -v '>All<' /tmp/mirrors.html | sed 's/.*<option value=".*">\(.*\)<\/option>.*/\1/g' |
 125         sed -e "1iauto detect mirrors" |
 126         imenu -l "choose mirror location" >/tmp/mirrorselect
 127     if ! grep -q 'auto detect' </tmp/mirrorselect; then
 128         cat /tmp/mirrors.html | grep ">$(cat /tmp/mirrorselect)<" | grep -o '".*"' | grep -o '[^"]*' >/tmp/countrycode
 129         echo "fetching mirrors for $(cat /tmp/mirrorselect)"
 130         curl -s "https://www.archlinux.org/mirrorlist/?country=$(cat /tmp/countrycode)&protocol=http&protocol=https&ip_version=4&use_mirror_status=on" |
 131             grep -iE '(Server|generated)' |
 132             sed 's/^#Server /Server /g' >/tmp/mirrorlist
 133         cat /etc/pacman.d/mirrorlist >/tmp/oldmirrorlist
 134
 135         if echo "would you like to sort mirrors by speed? (recommended)" | imenu -C; then
 136             touch /tmp/sortmirrors
 137         fi
 138
 139         if [ -e /tmp/sortmirrors ]; then
 140             cat /tmp/mirrorlist | head -20 >/tmp/mirrorlist2
 141             rankmirrors -n 6 /tmp/mirrorlist2 >/tmp/topmirrors
 142             touch /tmp/mirrorcontinue
 143             pkill imenu
 144         else
 145             touch /tmp/mirrorcontinue
 146         fi &
 147
 148         while ! [ -e /tmp/mirrorcontinue ]; do
 149             imenu -m "sorting mirrors, please wait"
 150         done
 151
 152         rm /tmp/mirrorcontinue
 153         /tmp/sortmirrors
 154
 155         if [ -e /tmp/topmirrors ]; then
 156             echo "" >/etc/pacman.d/mirrorlist
 157         else
 158             cat /tmp/topmirrors
 159             sleep 2
 160             cat /tmp/topmirrors >/etc/pacman.d/mirrorlist
 161         fi
 162
 163         cat /tmp/mirrorlist >>/etc/pacman.d/mirrorlist
 164         cat /tmp/oldmirrorlist >>/etc/pacman.d/mirrorlist
 165     else
 166         echo "ranking mirrors"
 167         reflector --latest 40 --protocol http --protocol https --sort rate --save /etc/pacman.d/mirrorlist
 168         iroot automirror 1
 169     fi
 170 }
 171
 172 # ask for user details
 173 askuser() {
 174     while [ -z $NEWUSER ]; do
 175         wallstatus user
 176         NEWUSER="$(imenu -i 'set username')"
 177
 178         # validate input as a unix name
 179         if ! grep -Eq '^[a-z_]([a-z0-9_-]{0,31}|[a-z0-9_-]{0,30}\$)$' <<<"$NEWUSER"; then
 180             imenu -m "invalid username"
 181             unset NEWUSER
 182         fi
 183     done
 184
 185     while ! [ "$NEWPASS" = "$NEWPASS2" ] || [ -z "$NEWPASS" ]; do
 186         NEWPASS="$(imenu -P 'set password')"
 187         NEWPASS2="$(imenu -P 'confirm password')"
 188     done
 189
 190     iroot user "$NEWUSER"
 191     iroot password "$NEWPASS"
 192
 193 }
 194
 195 # ask about which hypervisor is used
 196 askvm() {
 197     if imvirt | grep -iq 'physical'; then
 198         echo "system does not appear to be a virtual machine"
 199         return
 200     fi
 201
 202     while [ -z "$VIRTCONFIRM" ]; do
 203         if ! imenu -c "is this system a virtual machine?"; then
 204             if echo "Are you sure it's not?
 205 giving the wrong answer here might greatly decrease performance. " | imenu -C; then
 206                 return
 207             fi
 208         else
 209             VIRTCONFIRM="true"
 210         fi
 211     done
 212     iroot isvm 1
 213
 214     echo "virtualbox
 215 kvm/qemu
 216 other" | imenu -l "which hypervisor is being used?" >/tmp/vmtype
 217
 218     HYPERVISOR="$(cat /tmp/vmtype)"
 219     case "$HYPERVISOR" in
 220     kvm*)
 221         if grep 'vendor' /proc/cpuinfo | grep -iq 'AMD'; then
 222             echo "WARNING:
 223         kvm/QEMU on AMD is not meant for desktop use and
 224         is lacking some graphics features.
 225         This installation will work, but some features will have to be disabled and
 226         others might not perform well.
 227         It is highly recommended to use Virtualbox instead." | imenu -M
 228             iroot kvm 1
 229             if lshw -c video | grep -iq 'qxl'; then
 230                 echo "WARNING:
 231 QXL graphics detected
 232 These may trigger a severe Xorg memory leak on kvm/QEMU on AMD,
 233 leading to degraded video and input performance,
 234 please switch your video card to either virtio or passthrough
 235 until this is fixed" | imenu -M
 236             fi
 237         fi
 238         ;;
 239     virtualbox)
 240         iroot virtualbox 1
 241         ;;
 242     other)
 243         iroot othervm 1
 244         echo "selecting other"
 245         ;;
 246     esac
 247
 248 }