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Diffstat (limited to 'dselect/methods/media/setup.sh')
| -rwxr-xr-x | dselect/methods/media/setup.sh | 485 |
1 files changed, 485 insertions, 0 deletions
diff --git a/dselect/methods/media/setup.sh b/dselect/methods/media/setup.sh new file mode 100755 index 0000000..aad55a1 --- /dev/null +++ b/dselect/methods/media/setup.sh @@ -0,0 +1,485 @@ +#!/bin/sh +# +# Copyright © 1995-1998 Ian Jackson <ijackson@chiark.greenend.org.uk> +# Copyright © 1998 Heiko Schlittermann <hs@schlittermann.de> +# Copyright © 1998-1999 Martin Schulze <joey@infodrom.north.de> +# +# This is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <https://www.gnu.org/licenses/>. + +set -e +vardir="$1" +method=$2 +option=$3 + +test -d "$vardir/methods/$method" || mkdir "$vardir/methods/$method" +cd "$vardir/methods/$method" +tp="$(mktemp --tmpdir $method.XXXXXXXXXX)" + +iarch=$(dpkg --print-architecture) +dist=stable + +xit=1 +trap ' + rm -f $tp.? + if [ -n "$umount" ]; then + umount "$umount" >/dev/null 2>&1 + fi + exit $xit +' 0 + +if ls -d "$tp.?" >/dev/null 2>&1; then + rm $tp.? +fi + +#debug() { echo "DEBUG: $@"; } +debug() { + true +} +ismulti() { + debug $1 $2; test -e "$1/.disk/info" || test -e "$1$2/.disk/info" +} + +# 1/ mountpoint +# 2/ hierarchy +getdisklabel () { + debug "$1" "$2" + if [ -f $1/.disk/info ]; then + echo -n $(head -1 "$1/.disk/info") + elif [ -f $1$2/.disk/info ]; then + echo -n $(head -1 "$1$2/.disk/info") + else + echo -n 'Non-Debian disc' + fi +} + +yesno () { + while true; do + echo -n "$2 [$1] " + read response + if [ -z "$response" ]; then + response="$1" + fi + case "$response" in + [Nn]*) + yesno=no + return + ;; + [Yy]*) + yesno=yes + return + ;; + esac + done +} + +getblockdev () { + mountpoint="$vardir/methods/mnt" + if [ -z "$defaultdevice" ]; then + defaultdevice="$newdefaultdevice" + elif [ "$defaultdevice" != "$newdefaultdevice" ]; then + echo "Last time you specified installation from $defaultdevice." + fi + promptstring="$1" + while [ -z "$blockdevice" ]; do + echo -n "$promptstring [$defaultdevice]: " + read response + if [ -z "$response" ]; then + response="$defaultdevice" + fi + if [ ! -b "$response" ]; then + echo "$response is not a block device - will try as loopback." + loop=",loop" + fi + tryblockdevice="$response" + fstype=iso9660 + umount="$mountpoint" + if mount -rt "$fstype" -o nosuid,nodev$loop "$tryblockdevice" "$mountpoint" + then + echo + blockdevice="$tryblockdevice" + else + umount="" + echo "Unable to mount $tryblockdevice on $mountpoint, type $fstype." + fi + done +} + +outputparam () { + echo "$2" | sed -e "s/'/'\\\\''/; s/^/$1='/; s/$/'/" >&3 +} + +## MAIN +intrkey="$(stty -a | sed -n 's/.*intr = \([^;]*\);.*/\1/p')" +echo " +If you make a mistake, use the interrupt key ($intrkey) to abort. +" + +# State variables, “best first” +# {main,ctb,nf,lcl}_{packages,binary} +# Empty before we've found them or if they're not available, +# set to the relevant bit under mountpoint otherwise. +# hierbase +# A directory containing a Debian FTP site mirror tree. +# mountpoint +# The mountpoint for the filesystem containing the stuff +# empty or unset if we don't know yet, or if we haven't mounted anything; +# may also be empty if ‘directory’ was set. +# blockdevice +# The actual block device to mount. +# fstype +# The filesystem type to use. +# defaultdevice +# The default block device to mount. + +p_usedevel=no +if [ -f shvar.$option ]; then + . ./shvar.$option + defaultdevice="$p_blockdev" + usedevel="$p_usedevel" +fi + +mount >$tp.m +sed -n 's/ ([^)]*)$//; s/^[^ ]* on //; s/ type iso9660$//p' <$tp.m >$tp.l +ncdroms=$(wc -l <$tp.l) +if [ $ncdroms -gt 1 ]; then + response="" + while [ -z "$response" ]; do + echo 'Several media discs (ISO9660 filesystems) are mounted:' + grep -E 'type iso9660 \([^)]*\)$' <$tp.m | nl + echo -n "Is it any of these ? Type a number, or 'n' for none. " + read response + response="$(echo "$response" | sed -e 's/[ ]*$//')" + if expr "$response" : '[0-9][0-9]*$' >/dev/null && \ + [ $response -ge 1 -a $response -le $ncdroms ]; then + mountpoint="$(sed -n $response'p' <$tp.l)" + echo + elif expr "$response" : '[Nn]' >/dev/null; then + mountpoint="" + else + response="" + fi + done +elif [ $ncdroms = 1 ]; then + mountpoint="$(cat $tp.l)" + perl -ne 'print if s/ type iso9660 \([^)]*\)$// && s/ on .*$//;' \ + <$tp.m >$tp.d + blockdevice="$(cat $tp.d)" + yesno yes \ + "Found a media disc: $blockdevice, mounted on $mountpoint. Is it the right one?" + if [ $yesno = no ]; then + echo 'Unmounting it ...' + umount="$mountpoint" + while true; do + echo -n 'Please insert the right disc, and hit return: ' + read response + if mount -rt iso9660 -o nosuid,nodev \ + "$blockdevice" "$mountpoint"; then + echo + break + fi + done + fi +fi +if [ -z "$mountpoint" ]; then + if [ -b /dev/cdrom ]; then + echo 'Found that /dev/cdrom exists and is a block device.' + newdefaultdevice=/dev/cdrom + fi + getblockdev 'Insert the media and enter the block device name' +fi + +if [ -n "$mountpoint" ]; then + # We must have $mountpoint + echo \ +'All directory names should be entered relative to the root of the media disc. +' +fi + +# now try to get the users idea where the debian +# hierarchy start below the mointpoint + +debug "mountpoint: $mountpoint" +while true; do + if ismulti "${mountpoint}" "${hierbase}"; then + multi=yes + fi + + echo \ +"Need to know where on the media disc the top level of the Debian +distribution is - this will usually contain the 'dists' directory. + +If the media disc is badly organized and doesn't have a straightforward copy of +the distribution you may answer 'none' and the needed parts will be prompted +individually." + + defhierbase=none + if [ -n "$p_hierbase" ]; then + if [ -d "$mountpoint/$p_hierbase/dists/$dist/main/binary-$iarch" \ + -o -n "$multi" ]; then + echo "Last time you said '$p_hierbase', and that looks plausible." + defhierbase="$p_hierbase" + else + echo " +Last time you said '$p_hierbase', but that doesn't look plausible, +since '$p_hierbase/dists/$dist/main/binary-$iarch' doesn't seem to exist. +And it does not appear that you are using a multiple media set." + fi + fi + + # at this point defhierbase is set if it looks plausible + # if ‘none’ was entered, we assume a media with a debian/ directory + + if [ none = "$defhierbase" -a -d "$mountpoint/debian/dists/$dist/main/binary-$iarch" ] + then + echo "'/debian' exists and looks plausible, so that's the default." + defhierbase=/debian + fi + + echo -n "Distribution top level ? [$defhierbase] " + read response + if [ -z "$response" ]; then + response="$defhierbase" + fi + if [ none = "$response" ]; then + hierbase="" + break + elif ismulti "$mountpoint" "$response" && [ -z "$multi" ]; then + multi=yes + fi + + if ! [ -d "$mountpoint/$response/dists/$dist/main/binary-$iarch" \ + -o -n "$multi" ]; then + echo \ +"Neither $response/dists/$dist/main/binary-$iarch does not exist, +nor are you using a multiple media set" + break + fi + + hierbase="$(echo "$response" | sed -e 's:/$::; s:^/*:/:; s:/\+:/:g;')" + debug "hierbase: [$hierbase]" + + if [ -n "$multi" ]; then + disklabel=$(getdisklabel "$mountpoint" "/$response") + echo "Ok, this is disc" + echo " $disklabel" + #echo "Updating multiple media contents file cache ..." + #multi_contentsfile="${mountpoint}/${response}/.disk/contents.gz" + #zcat "$multi_contentsfile" > disk-contents.$option + fi + + break; +done + +distribution=$dist +if [ -n "$hierbase" ]; then + if [ -d "$mountpoint/$hierbase/dists/unstable/binary-$iarch" ]; then + echo \ +' +Both a stable released distribution and a work-in-progress +development tree are available for installation. Would you like to +use the unreleased development tree (this is only recommended for +experts who like to live dangerously and want to help with testing) ?' + yesno "$p_usedevel" 'Use unreleased development distribution ?' + usedevel="$yesno" + if [ "$usedevel" = yes ]; then + distribution=development + fi + else + usedevel=no + fi + echo +fi + +case "$hierbase" in +/* ) + ;; +'' ) + ;; +* ) + hierbase="/$hierbase" + ;; +esac + +check_binary () { + # args: area-in-messages directory + debug "check_binary($@)" + + if [ ! -d "${mountpoint}$2" -a -z "$multi" ]; then + echo "'$2' does not exist." + return + fi + +# In this special case it is ok for a sub-distribution to not contain any +# .deb files. Each media should contain all Packages.cd files but does not +# need to contain the .deb files. +# +# if ! { find -L "$mountpoint$2" -name '*.deb' -print \ +# | head -1 | grep . ; } >/dev/null 2>&1 && [ -z "$multi" ]; +# then +# echo "'$2' does not contain any *.deb packages." +# return +# fi + + this_binary="$2" + echo -n "Using '$this_binary' as $1 binary directory" + + if [ -n "$multi" ]; then + this_disk=$(getdisklabel ${mountpoint} "/$hierbase") + echo " from disc" + echo " '$this_disk'" + else + echo "" + fi +} + +find_area () { + # args: area-in-messages area-in-vars subdirectory-in-hier + # last-time-binary last-time-packages + debug "find_area($@)" + this_binary='' + this_packages='' + this_disk='' + if [ -n "$hierbase" ]; then + check_binary $1 $(echo "$hierbase/dists/$3/$1/binary-$iarch" | sed 's:/\+:/:g') + debug "THIS_BINARY $this_binary" + fi + if [ $2 = nf -a -z "$this_binary" ]; then + echo " +Note: most media distributions of Debian do not include programs available +in the 'non-free' directory of the distribution site. +This is because these programs are under licenses that do not allow source +modification or prevent distribution for profit on a media, or other +restrictions that make them not free software. +If you wish to install these programs you will have to get them from an +alternative source." + fi + while [ -z "$this_binary" ]; do + defaultbinary="$4" + echo " +Which directory contains the *.deb packages from the $1 distribution +area (this directory is named '$3/binary' on the distribution site) ? +Say 'none' if this area is not available." + if [ $2 != main -a -z "$defaultbinary" ]; then + defaultbinary=none + fi + echo -n \ +"Enter _$1_ binary directory. [$4] + ? " + read response + if [ -z "$response" -a -n "$defaultbinary" ]; then + response="$defaultbinary" + fi + if [ none = "$response" ]; then + break + fi + case "$response" in + '' | none) + continue + ;; + esac + check_binary $1 "$(echo "$response" | sed -e 's:/$::; s:^/*:/:')" + done + if [ -n "$this_binary" ]; then + if [ "$multi" = "yes" ]; then + for f in Packages.cd.gz packages.cd.gz Packages.cd packages.cd; do + if [ -f "$mountpoint/$this_binary/$f" ]; then + this_packages="$this_binary/$f" + echo "Using '$this_packages' for $1." + break + fi + done + elif [ -f "${mountpoint}${hierbase}/.disk/packages/$1/Packages.gz" ]; then + this_packages=$(echo "${hierbase}/.disk/packages/$1/Packages.gz"|sed 's:/\+:/:g') + echo "Using '${this_packages}' for $1." + fi + while [ -z "$this_packages" ]; do + echo -n " +Cannot find the $1 'Packages.cd' file. The information in the +'Packages.cd' file is important for package selection during new +installations, and is very useful for upgrades. + +If you overlooked it when downloading you should do get it now and +return to this installation procedure when you have done so: you will +find one Packages.cd file and one Packages.cd.gz file -- either will do -- +in the 'binary' subdirectory of each area on the FTP sites and +media discs. Alternatively (and this will be rather slow) the packages in +the distribution area can be scanned - say 'scan' if you want to do so. + +You need a separate Packages.cd file from each of the distribution areas +you wish to install. + +Where is the _$1_ 'Packages.cd' file (if none is available, say 'none') +[$5] + ? " + read response + if [ -z "$response" -a -n "$5" ]; then + response="$5" + fi + case "$response" in + '') + break + ;; + none) + break + ;; + scan) + this_packages=scan + ;; + /*) + this_packages="$response" + ;; + *) + this_packages="/$response" + ;; + esac + done + fi + eval $2'_binary="$this_binary"' + eval $2'_packages="$this_packages"' + eval $2'_disk="$this_disk"' +} + +find_area main main "$distribution" "$p_main_binary" "$p_main_packages" +find_area contrib ctb "$distribution" "$p_ctb_binary" "$p_ctb_packages" +find_area non-free nf "$distribution" "$p_nf_binary" "$p_nf_packages" +find_area local lcl local "$p_lcl_binary" "$p_lcl_packages" + +echo -n ' +Hit RETURN to continue. ' +read response + +exec 3>shvar.$option.new + +outputparam p_blockdev "$blockdevice" +outputparam p_fstype "$fstype" +outputparam p_mountpoint "$mountpoint" +outputparam p_hierbase "$hierbase" +outputparam p_usedevel "$usedevel" +outputparam p_main_packages "$main_packages" +outputparam p_main_binary "$main_binary" +outputparam p_main_disk "$main_disk" +outputparam p_ctb_packages "$ctb_packages" +outputparam p_ctb_binary "$ctb_binary" +outputparam p_ctb_disk "$ctb_disk" +outputparam p_nf_packages "$nf_packages" +outputparam p_nf_binary "$nf_binary" +outputparam p_nf_disk "$nf_disk" +outputparam p_lcl_packages "$lcl_packages" +outputparam p_lcl_binary "$lcl_binary" +outputparam p_multi "$multi" +outputparam p_multi_contentsfile "$multi_contentsfile" + +mv shvar.$option.new shvar.$option + +xit=0 |