debian/neurodebian.config

   1 #!/bin/bash
   2 set -e
   3
   4 . /usr/share/debconf/confmodule
   5
   6 db_capb backup # allow to go back, for that we implement that STATE loop
   7
   8 debug()
   9 {
  10     [ "${DEBCONF_DEBUG:-}" != "developer" ] || echo -e "D: $*" >&2
  11 }
  12
  13 db_settitle neurodebian/title
  14
  15 if [ "$1" = "configure" ]; then
  16     # Must have been called in preinst state, so no nd-configurerepo
  17     # tool is yet installed, thus delay asking questions to
  18     # whenever will be called in postinst state
  19     which nd-configurerepo 1>/dev/null 2>&1 || exit 0
  20 fi
  21
  22 # Create temporary directory which will be reused
  23 export ND_AE_TEMPDIR=$(mktemp -d)
  24 trap "rm -rf \"$ND_AE_TEMPDIR\"" TERM INT EXIT
  25
  26 neurodebian_releases="auto"
  27
  28 # This implements a simple state machine so the back button can be handled.
  29 # taken from debconf demo example
  30 STATE=1
  31 while [ "$STATE" != 0 -a "$STATE" -lt 9 ]; do
  32     case $STATE in
  33                 1)
  34                         # allow to be overriden by environment variable as discussed with
  35                         # ftpmaster
  36                         if [ ! -z "${NEURODEBIAN_ENABLE:-}" ]; then
  37                                 case "${NEURODEBIAN_ENABLE}" in
  38                                         true|yes|YES|1) enable=true;;
  39                                         false|no|NO|0)  enable=false;;
  40                                         *) echo "Non-supported value $NEURODEBIAN_ENABLE of NEURODEBIAN_ENABLE env variable. Use yes or no" >&2;
  41                                                 exit 1;;
  42                                 esac
  43                                 db_set neurodebian/enable $enable
  44                         fi
  45                         db_input medium neurodebian/enable || true
  46                         ;;
  47         2)
  48                         neurodebian_releases="$(ND_IFS=', ' nd-configurerepo --print-releases)"
  49                         debian_release="$(ND_IFS=', ' nd-configurerepo --print-release)"
  50                         if [ -z "$debian_release" ]; then # just a failover
  51                                 debian_release="sid"
  52                         fi
  53                         debug "releases: $neurodebian_releases"
  54                         db_subst neurodebian/release releases "$neurodebian_releases"
  55                         db_subst neurodebian/release release  "$debian_release"
  56                         db_input medium neurodebian/release || true
  57                         ;;
  58         3)
  59                         neurodebian_mirrors="$(ND_IFS=', ' nd-configurerepo --print-mirrors)"
  60                         debug "mirrors: $neurodebian_mirrors"
  61                         db_subst neurodebian/mirror mirrors "$neurodebian_mirrors"
  62                         db_input medium neurodebian/mirror || true
  63                         mirror_selection_ret="$RET"
  64                         debug "mirror select return: <$mirror_selection_ret>"
  65                         ;;
  66         4)  neurodebian_flavor="$(ND_IFS=', ' nd-configurerepo --print-flavor)"
  67                         db_subst neurodebian/flavor flavor "$neurodebian_flavor"
  68                         db_input medium neurodebian/flavor || true ;;
  69         5)  db_input medium neurodebian/components || true ;;
  70         6)  db_input low neurodebian/suffix || true ;;
  71         7)  db_input low neurodebian/overwrite || true ;;
  72         8)  db_input medium neurodebian/run-update-note || true ;;
  73     esac
  74
  75     if db_go; then
  76                 case $STATE in
  77                         1)
  78                                 db_get neurodebian/enable # get new value
  79                                 if [ "$RET" = "false" ]; then
  80                                         # no need to proceed with further questions
  81                                         if /bin/ls /etc/apt/sources.list.d/neurodebian.sources*.list &>/dev/null; then
  82                                                 # we have configuration present -- display a note about apt-get update
  83                                                 STATE=8
  84                                         else
  85                                                 STATE=100       # just go out -- nothing to do, nothing to inform about
  86                                         fi
  87                                         continue
  88                                 fi;;
  89 # Ubuntus managed to remove netselect "to accompany apt-netselect"
  90 # https://bugs.launchpad.net/ubuntu/+source/netselect/+bug/337377
  91 # So for now remove this mandatory demanding of netselect for "best", and
  92 # rely on logic in nd-configurerepo to select default mirror (currently origin)
  93 # as the 'best'
  94 #
  95 #                       3)
  96 #                               db_metaget neurodebian/mirror value
  97 #                               selected_mirror="$RET"
  98 #                               # TODOs:
  99 #                               # - handle custom
 100 #                               # - separate out alias from url
 101 #                               debug "selected mirror: $selected_mirror"
 102 #                               if [ "$selected_mirror" = "best" ] && ! which netselect &>/dev/null; then
 103 #                                       if [ "$mirror_selection_ret" = "30 question skipped" ]; then
 104 #                                               # if the question was not even shown, we would
 105 #                                               # not get a chance to specify mirror, thus
 106 #                                               # better just fail altogether and demand intervention
 107 #                                               db_input high neurodebian/netselect-cannot-be-used
 108 #                                               exit 1
 109 #                                       else
 110 #                                               db_input high neurodebian/netselect-not-found
 111 #                                               continue;
 112 #                                       fi
 113 #                               fi
 114                 esac
 115         STATE=$(($STATE + 1))
 116     else
 117         STATE=$(($STATE - 1))
 118     fi
 119 done
 120
 121 db_stop
 122