diff options
Diffstat (limited to 'dselect/methods/disk/setup')
| -rwxr-xr-x | dselect/methods/disk/setup | 589 |
1 files changed, 589 insertions, 0 deletions
diff --git a/dselect/methods/disk/setup b/dselect/methods/disk/setup new file mode 100755 index 0000000..7039ed1 --- /dev/null +++ b/dselect/methods/disk/setup @@ -0,0 +1,589 @@ +#!/bin/sh +# +# This program 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=$3 + +cd "$vardir/methods/disk" +tp=/var/run/ddm$$ + +iarch=`dpkg --admindir $vardir --print-architecture` + +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 + +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 +} + +print_partition_table() +{ + device="$1" + + printf "p\nq\n" | fdisk "$device" 2>/dev/null +} + +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."; continue + fi + tryblockdevice="$response" + if [ $option = cdrom ] + then + fstype=iso9660 + elif [ $option = harddisk ] + then + blockbase="`echo \"$tryblockdevice\" | sed -e 's/[0-9]\{1,\}$//'`" + set +e + print_partition_table "$blockbase" >$tp.f + set -e + proposeddevice="$tryblockdevice" perl -ne ' +next unless /^ *Device +Boot +Start +End +Blocks +Id +System *$/i .. !/\S/; +next unless s:^/\S+::p && ${^MATCH} eq $ENV{proposeddevice}; +next unless s/^ +(\* +)?\d+ +\d+ +\d+\+? +//; +next unless m/^([0-9a-f]{1,2}) /i; +%types= ( "1","msdos", "4","msdos", "6","msdos", "7","hpfs", "80","minix", + "81","minix", "83","ext2" ); +print $types{$1}; exit(0); ' <$tp.f >$tp.m + defaultfstype="`cat $tp.m`" + if [ -n "$defaultfstype" ] + then + cat <<END +The partition table for $blockbase claims that $tryblockdevice +contains filesystem type $defaultfstype. +END + if ! grep " $defaultfstype$" /proc/filesystems >/dev/null + then + echo \ + "Your kernel does not appear to support that filesystem type." + defaultfstype="" + fi + fi + echo -n "Supported filesystems: " + sed -e 's/^.* / /' /proc/filesystems | tr '\n' ' ' + echo -n " +Enter filesystem type (for $tryblockdevice) [$defaultfstype]: " + read fstype + if [ -z "$fstype" ] + then + fstype="$defaultfstype" + fi + fi + umount="$mountpoint" + if mount -rt "$fstype" -o nosuid,nodev "$tryblockdevice" "$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 +} + +intrkey="`stty -a | sed -n 's/.*intr = \([^;]*\);.*/\1/p'`" +echo " +If you make a mistake, use the interrupt key ($intrkey) to abort. +" + +# State variables, “best first” +# {main,ctb,nf,lcl}_{packages,binary} +# Empty before we've found them or if they're not available, +# set to the relevant bit under mountpoint otherwise. +# hierbase +# A directory containing a Debian FTP site mirror tree for ONE distribution. +# eg /pub/debian/dists/stable +# mountpoint +# The mountpoint for the filesystem containing the stuff +# empty or unset if we don't know yet, or if we haven't mounted anything; +# may also be empty if ‘directory’ was set. +# blockdevice +# The actual block device to mount. +# fstype +# The filesystem type to use. +# defaultdevice +# The default block device to mount. + +if [ -f shvar.$option ] +then + . ./shvar.$option + defaultdevice="$p_blockdev" + defaultnfsserver="$p_nfsserver" + defaultnfsrempath="$p_nfsrempath" +fi + +if [ $option = cdrom ] +then + mount >$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 CD-ROMs (or other ISO9660 filesystems) are mounted:' + grep '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 ] && [ $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 \ + "I see a CD-ROM: $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 \ + 'I see that /dev/cdrom exists and is a block device.' + newdefaultdevice=/dev/cdrom + fi + getblockdev 'Insert the CD-ROM and enter the block device name' + fi +fi + +if [ $option = nfs ] +then + mountpoint="$vardir/methods/mnt" + while [ -z "$nfsserver" ] + do + echo -n \ +"What is the name of the NFS server ? [$defaultnfsserver] " + read response + if [ -z "$response" ] && [ -n "$defaultnfsserver" ] + then + response="$defaultnfsserver" + fi + if [ -z "$response" ]; then continue; fi + if [ -x "`which rpcinfo`" ] + then + if rpcinfo -u "$response" mountd | grep -q 'ready' + then + nfsserver="$response" + else + echo "$response appears not to be an NFS server." + fi + elif [ -x "`which ping`" ] + then + if ping -q -c 1 "$response" | grep -q ', 1 packets received' + then + nfsserver="$response" + else + echo "$response appears to be down or nonexistent." + fi + else + echo \ +"(I can't check that now because there is no rpcinfo or ping.)" + nfsserver="$response" + fi + done + while [ -z "$nfsrempath" ] + do + echo -n " +What is the pathname on the NFS server of the filesystem with +the Debian files? [$defaultnfsrempath] " + read response + if [ -z "$response" ] && [ -n "$defaultnfsrempath" ] + then + response="$defaultnfsrempath" + else + response="`echo \"$response\" | sed -e 's:/$::; s:^/*:/:'`" + fi + umount="$mountpoint" + if mount -rt nfs -o nosuid,nodev "$nfsserver:$response" "$mountpoint" + then + echo + nfsrempath="$response" + else + umount="" + echo \ +"Unable to mount NFS filesystem $nfsserver:$response." + fi + done + nfs="$nfsserver:$nfsrempath" +fi + +if [ $option = harddisk ] +then + set +e + print_partition_table /dev/hda >$tp.f + if [ $? != 0 ] + then + print_partition_table /dev/sda >$tp.f + fi + set -e + perl -ne ' +next unless /^ *Device +Boot +Start +End +Blocks +Id +System *$/i .. !/\S/; +next unless / [146] +DOS \d+-bit \S+$/; +next unless m:^/\S+:p; +print ${^MATCH}; ' <$tp.f >$tp.d + newdefaultdevice="`cat $tp.d`" + echo " +I need to know which disk partition contains the distribution files; +disk partitions are specified by the block device name in Linux." + if [ -n "$newdefaultdevice" ] + then + echo \ +"By the way, $newdefaultdevice looks like a DOS partition." + fi + getblockdev "Enter the partition's block device name" +fi + +if [ -n "$mountpoint" ] +then + # We must have $mountpoint + if [ $option = cdrom ] + then + echo \ +'All directory names should be entered relative to the root of the CD-ROM. +' + elif [ $option = nfs ] + then + echo \ +"All directory names should be entered relative to the root of the NFS +filesystem, ie relative to $nfsrempath on the server. +" + else + echo \ +"All directory names should be entered relative to the root of the +$fstype filesystem on $blockdevice. +" + fi +fi + +while true +do + if [ $option = cdrom ] + then + echo \ +"I would like to know where on the CD-ROM the top level of the Debian +distribution is (eg. 'dists/stable') - this directory usually contains the +Packages-Master file. + +If the CD-ROM is badly organised and doesn't have a straightforward copy of +the distribution you may answer 'none' and we'll go through the parts +I need individually." + else + echo \ +"In order to make it easy for me to find the relevant files I'd ideally +like to install from a straightforward copy of the Debian distribution. +To use this I'll need to know where the top level of that copy of the +distribution is (eg. 'debian/dists/stable') - this directory usually +contains the Packages-Master file. + +If you do not have a straightforward copy of the distribution available +just answer 'none' and we'll go through the parts I need individually." + fi + defhierbase=none +# maybe ask for debian/dists and then show and ask for available dists +# eg. {stable,frozen,unstable,bo,hamm,slink} + if [ -n "$p_hierbase" ] + then + if [ -d "$mountpoint/$p_hierbase/main/binary-$iarch" ] + then + echo " +Last time you said '$p_hierbase', and that looks plausible." + defhierbase="$p_hierbase" + else + echo " +Last time you said '$p_hierbase', but that doesn't look plausible, +since '$p_hierbase/main/binary-$iarch' doesn't seem to exist." + fi + fi + if [ none = "$defhierbase" ] + then + if [ -d "$mountpoint/debian/dists/stable/main/binary-$iarch" ] + then + echo " +'/debian/dists/stable' exists and looks plausible, so that's the default." + defhierbase=/debian/dists/stable + elif [ -d "$mountpoint/dists/stable/main/binary-$iarch" ] + then + echo " +'/dists/stable' exists and looks plausible, so that's the default." + defhierbase=/dists/stable + fi + fi + echo -n \ +"Distribution top level ? [$defhierbase] " + read response + if [ -z "$response" ] + then + response="$defhierbase" + fi + if [ none = "$response" ] + then + hierbase="" + break + elif [ -d "$mountpoint/$response/main/binary-$iarch" ] + then + hierbase="`echo \"$response\" | sed -e 's:/*$::; s:^/*:/:'`" + break + fi + echo \ +"$response/main/binary-$iarch does not exist. +" +done + + +case "$hierbase" in +/* ) ;; +'' ) ;; +* ) hierbase="/$hierbase" ;; +esac + +check_binary () { + # args: area-in-messages directory + # eg: main "$hierbase/main/binary-$iarch" + # checks whether $2 contains *.deb + if ! [ -d "$mountpoint$2/" ] + then + echo "'$2' does not exist." + return + fi + + if ! ( find -L "$mountpoint$2/" -name '*.deb' -print \ + | head -n 1 ) 2>/dev/null | grep . >/dev/null + then + echo "'$2' does not contain any *.deb packages. Hmmpf." + return + fi + echo "Using '$2' as $1 binary dir." + this_binary="$2" +} + +find_area () { + # args: area-in-messages area-in-vars subdirectory-in-hier + # last-time-binary last-time-packages + # eg: main main main + # "$p_main_binary" "$p_main_packages" + + this_binary='' + this_packages='' + if [ -n "$hierbase" ] + then + check_binary $1 "$hierbase/$3/binary-$iarch" + fi + + if [ $option = cdrom ] && [ $2 = nf ] && [ -z "$this_binary" ] + then + echo " +Note: most CD-ROM distributions of Debian do not include programs +available in the 'non-free' directory of the distribution site. +This is because these programs have copyrights that prevent +distribution for profit on a CD-ROM - ie they are not free software. +If you wish to install these programs you'll have to get them from an +alternative source." + elif [ $2 = lcl ] && [ -z "$this_binary" ] + then + echo " +Note: By default there is no 'local' directory. It is intended for +packages you made yourself." + fi + while [ -z "$this_binary" ] + do + defaultbinary="$4" + echo " +Which directory contains the *.deb packages from the $1 distribution +area (this directory is named '$3/binary-$iarch' on the distribution site) ? +Say 'none' if this area is not available." + if [ $2 != main ] && [ -z "$defaultbinary" ] + then + defaultbinary=none + fi + echo -n \ +"Enter _$1_ binary dir. [$4] + ? " + read response + if [ -z "$response" ] && [ -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 + for f in Packages.gz packages.gz Packages packages + do + if [ -f "$mountpoint/$this_binary/$f" ] + then + echo "Using '$this_binary/$f' for $1." + this_packages="$this_binary/$f" + break + fi + done + while [ -z "$this_packages" ] + do + echo -n " +I can't find the $1 'Packages' file. The information in the +'Packages' file is important for package selection during new +installations, and is very useful for upgrades. + +If you overlooked it when downloading you should do get it now and +return to this installation procedure when you have done so: you will +find one Packages file and one Packages.gz file -- either will do -- +in the 'binary-$iarch' subdirectory of each area on the FTP sites and +CD-ROMs. Alternatively (and this will be rather slow) I can scan the +packages in the distribution area - say 'scan' if you want me to do so. + +You need a separate Packages file from each of the distribution areas +you wish to install. + +Where is the _$1_ 'Packages' file (if none is available, say 'none') +[$5] + ? " + read response + if [ -z "$response" ] && [ -n "$5" ] + then + response="$5" + fi + case "$response" in + '') continue ;; + 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"' +} + +find_area main main main "$p_main_binary" "$p_main_packages" +find_area contrib ctb contrib "$p_ctb_binary" "$p_ctb_packages" +find_area non-free nf non-free "$p_nf_binary" "$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_nfsserver "$nfsserver" +outputparam p_nfsrempath "$nfsrempath" +outputparam p_nfs "$nfs" +outputparam p_hierbase "$hierbase" + +outputparam p_main_packages "$main_packages" +outputparam p_main_binary "$main_binary" +outputparam p_ctb_packages "$ctb_packages" +outputparam p_ctb_binary "$ctb_binary" +outputparam p_nf_packages "$nf_packages" +outputparam p_nf_binary "$nf_binary" +outputparam p_lcl_packages "$lcl_packages" +outputparam p_lcl_binary "$lcl_binary" + +mv shvar.$option.new shvar.$option + +xit=0 |