diff options
Diffstat (limited to 'dselect/methods/media/install.sh')
| -rwxr-xr-x | dselect/methods/media/install.sh | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/dselect/methods/media/install.sh b/dselect/methods/media/install.sh new file mode 100755 index 0000000..91e717d --- /dev/null +++ b/dselect/methods/media/install.sh @@ -0,0 +1,282 @@ +#!/bin/sh +# +# Copyright © 1995-1998 Ian Jackson <ijackson@chiark.greenend.org.uk> +# Copyright © 1998 Heiko Schlittermann <hs@schlittermann.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=$3 + +cd "$vardir/methods/$method" + +. ./shvar.$option + +#debug() { echo "DEBUG: $@"; } +debug() { + true +} +iarch=$(dpkg --print-architecture) + +# 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$2/.disk/info") + else + echo -n 'Non-Debian disc' + fi +} + +xit=1 + +do_umount() { + if [ -n "$umount" ]; then + echo umount "$umount" + #">/dev/null" "2>&1" + fi +} + +do_mount() { + if [ ! -b "$p_blockdev" ]; then + loop=",loop" + fi + + if [ -n "$p_blockdev" ]; then + umount="$p_mountpoint" + echo mount -rt iso9660 -o nosuid,nodev${loop} "$p_blockdev" "$p_mountpoint"\; umount="$p_mountpoint" + fi +} + +trap 'eval $(do_umount); exit $xit' 0 + +eval $(do_mount) + +predep="$vardir/predep-package" +while true; do + thisdisk="$(getdisklabel ${p_mountpoint} ${p_hierbase})" + set +e + dpkg --predep-package >"$predep" + rc=$? + set -e + if test $rc = 1; then + break + fi + test $rc = 0 + + perl -e ' + ($binaryprefix,$predep,$thisdisk) = @ARGV; + open(P, "< $predep") or die "cannot open $predep: $!\n"; + while (<P>) { + s/\s*\n$//; + $package = $_ if s/^Package: //i; + /^X-Medium:\s+(.*)\s*/ and $medium = $1; + @filename = split(/ /,$_) if s/^Filename: //i; + @msdosfilename = split(/ /,$_) if s/^MSDOS-Filename: //i; + } + die "internal error - no package" if length($package) == 0; + die "internal error - no filename" if not @filename; + die "internal error - mismatch >@filename< >@msdosfilename<" + if @filename && @msdosfilename && + @filename != @msdosfilename; + if ($medium && ($medium ne $thisdisk)) { + print " + +This is + $thisdisk +However, $package is expected on disc: + $medium +Please change the discs and press <RETURN>. + +"; + exit(1); + } + @invoke = (); $| =1; + for ($i = 0; $i <= $#filename; $i++) { + $ppart = $i+1; + print "Looking for part $ppart of $package ... "; + if (-f "$binaryprefix$filename[$i]") { + $print = $filename[$i]; + $invoke = "$binaryprefix$filename[$i]"; + } elsif (-f "$binaryprefix$msdosfilename[$i]") { + $print = $msdosfilename[$i]; + $invoke = "$binaryprefix$msdosfilename[$i]"; + } else { + $base = $filename[$i]; $base =~ s,.*/,,; + $msdosbase = $msdosfilename[$i]; $msdosbase =~ s,.*/,,; + $c = open(X, "-|")); + if (not defined $c) { + die "failed to fork for find: $!\n"; + } + if (!$c) { + exec("find", "-L", + length($binaryprefix) ? $binaryprefix : ".", + "-name",$base,"-o","-name",$msdosbase); + die "failed to exec find: $!\n"; + } + while (chop($invoke = <X>)) { last if -f $invoke; } + $print = $invoke; + if (substr($print,0,length($binaryprefix)+1) eq + "$binaryprefix/") { + $print = substr($print,length($binaryprefix)); + } + } + if (!length($invoke)) { + warn " + +Cannot find the appropriate file(s) anywhere needed to install or upgrade +package $package. Expecting version $version or later, as listed in the +Packages file. + +Perhaps the package was downloaded with an unexpected name? In any case, +you must find the file(s) and then either place it with the correct +filename(s) (as listed in the Packages file or in $vardir/available) +and rerun the installation, or upgrade the package by using +\"dpkg --install --auto-deconfigure" by hand. + +"; + exit(1); + } + print "$print\n"; + push(@invoke,$invoke); + } + print "Running dpkg -iB for $package ...\n"; + exec("dpkg","-iB","--",@invoke); + die "failed to exec dpkg: $!\n"; + ' -- "$p_mountpoint$p_hierbase" "$predep" "$thisdisk" +done + +perl -e ' + $SIG{INT} = sub { cd $vardir; unlink <tmp/*>; exit 1; }; + $| = 1; + my ($vardir, $mountpoint, $hierbase, $mount, $umount) = @ARGV; + my $line; + my $AVAIL = "$vardir/methods/media/available"; + my $STATUS = "$vardir/status"; + my %Installed, %Filename, %Medium; + print "Get currently installed package versions..."; + open(IN, "$STATUS") or die "cannot open $STATUS: $!\n"; + $line = 0; + { local $/ = ""; + while (<IN>) { + my %status; + my @pstat; + $line++ % 20 or print "."; + s/\n\s+/ /g; + %status = ("", split /^(\S*?):\s*/m, $_); + map { chomp $status{$_}; $status{$_} =~ s/^\s*(.*?)\s*$/$1/;} keys %status; + @pstat = split(/ /, $status{Status}); + next unless ($pstat[0] eq "install"); + if ($pstat[2] eq "config-files" || $pstat[2] eq "not-installed") { + $Installed{$status{Package}} = "0.0"; + } else { + $Installed{$status{Package}} = $status{Version} || "" ; + } + }; } + print "\nGot ", scalar keys %Installed, " installed/pending packages\n"; + print "Scanning available packages..."; + $line = 0; + open(IN, "$AVAIL") or die("Cannot open $AVAIL: $!\n"); + { local $/ = ""; + while (<IN>) { + my $updated; + $line++ % 20 or print "."; + + s/\n\s+/ /g; + %avail = ("", split /^(\S*?):\s*/m, $_); + map { chomp $avail{$_}; $avail{$_} =~ s/^\s*(.*?)\s*$/$1/;} keys %avail; + + next unless defined $Installed{$avail{Package}}; + + system "dpkg", "--compare-versions", $avail{Version}, "gt", $Installed{$avail{Package}}; + $updated = ($? == 0); + #print "$avail{Package}(" . ($updated ? "+" : "=") . ") "; + $updated or next; + + $Filename{$avail{Package}} = $avail{Filename}; + + next unless defined $avail{"X-Medium"}; + ${Medium{$avail{"X-Medium"}}} or ${Medium{$avail{"X-Medium"}}} = []; + push @{${Medium{$avail{"X-Medium"}}}}, $avail{Package}; + }; }; + print "\n"; + + if (@_ = keys(%Medium)) { + print "You will need the following distribution disc(s):\n", + join (", ", @_), "\n"; + } + + foreach $need (sort @_) { + if (-r "$mountpoint/.disk/info") { + open(IN, "$mountpoint/.disk/info") or die("$mountpoint/.disk/info: $!\n"); + } else { + open(IN, "$mountpoint/$hierbase/.disk/info") or die("$mountpoint/$hierbase/.disk/info: $!\n"); + } + $disk = <IN>; chomp $disk; close(IN); + + print "Processing disc\n $need\n"; + + while ($disk ne $need) { + print "Wrong disc. This is disc\n $disk\n"; + print "However, the needed disc is\n $need\n"; + print "Please change the discs and press <RETURN>\n"; + system($umount); + <STDIN>; + system($mount); + $? and warn("cannot mount $mount\n"); + } continue { + if (-r "$mountpoint/.disk/info") { + open(IN, "$mountpoint/.disk/info") or die("$mountpoint/.disk/info: $!\n"); + } else { + open(IN, "$mountpoint/$hierbase/.disk/info") or die("$mountpoint/$hierbase/.disk/info: $!\n"); + } + $disk = <IN>; chomp $disk; close(IN); + } + + -d "tmp" || mkdir "tmp", 0755 or die("Cannot mkdir tmp: $!\n"); + unlink <tmp/*>; + + print "creating symlinks...\n"; + foreach (@{$Medium{$need}}) { + ($basename = $Filename{$_}) =~ s/.*\///; + symlink "$mountpoint/$hierbase/$Filename{$_}", + "tmp/$basename"; + } + chdir "tmp" or die "cannot chdir to tmp: $!\n"; + system "dpkg", "-iGROEB", "."; + unlink <*>; + chdir ".."; + + if ($?) { + print "\nThe dpkg run produced errors. Please state whether to\n", + "continue with the next media disc. [Y/n]: "; + $answer = <STDIN>; + exit 1 if $answer =~ /^n/i; + $ouch = $?; + } + } + + exit $ouch; + +' "$vardir" "$p_mountpoint" "$p_hierbase" "$(do_mount)" "$(do_umount)" + +echo -n 'Installation OK. Hit RETURN. ' +read response + +xit=0 |