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Text File | 2001-09-18 | 36.7 KB | 1,052 lines |
- #! /usr/bin/perl
-
- use strict refs;
- # use strict vars;
-
- my $dpkglibdir, $version;
-
- BEGIN {
- $dpkglibdir="/usr/share/dpkg";
- $version=""; # This line modified by Makefile
- push (@INC, $dpkglibdir);
- }
-
- use POSIX;
- #use POSIX qw (:errno_h :signal_h);
-
- require 'controllib.pl';
-
- my @filesinarchive;
- my %dirincluded;
- my %notfileobject;
- my $fn;
-
- my (%filepatched);
-
- my ($sourcestyle) = 'X';
-
- my (@patchextra) = findpatchversion ();
- my ($findsep, @findextra) = &findfindversion ();
- my ($cpiosep, @cpioextra) = &findcpioversion ();
- my ($taroffset) = &findtarversion ();
-
- sub usageversion {
- print STDERR
- "Debian GNU/Linux dpkg-source $version. Copyright (C) 1996, 1997
- Ian Jackson and SPI, Inc. This is free software; see the GNU
- General Public Licence version 2 or later for copying conditions.
- There is NO warranty.
-
- Usage: dpkg-source -x <filename>.dsc
- dpkg-source -b <directory> [<orig-directory>|<orig-targz>|\'\']
- Build options: -c<controlfile> get control info from this file
- -l<changelogfile> get per-version info from this file
- -F<changelogformat> force change log format
- -V<name>=<value> set a substitution variable
- -T<varlistfile> read variables here, not debian/substvars
- -D<field>=<value> override or add a .dsc field and value
- -U<field> remove a field
- -sa auto select orig source (-sA is default)
- -sk use packed orig source (unpack & keep)
- -sp use packed orig source (unpack & remove)
- -su use unpacked orig source (pack & keep)
- -sr use unpacked orig source (pack & remove)
- -ss trust packed & unpacked orig src are same
- -sn there is no diff, do main tarfile only
- -sA,-sK,-sP,-sU,-sR like -sa,-sp,-sk,-su,-sr but may overwrite
- Extract options: -sp (default) leave orig source packed in current dir
- -sn do not copy original source to current dir
- -su unpack original source tree too
- General options: -h print this message
- ";
- }
-
- $i = 100;
- grep ($fieldimps {$_} = $i--,
- qw (Source Version Binary Maintainer Architecture Standards-Version));
-
- while (@ARGV && $ARGV[0] =~ m/^-/) {
- $_=shift(@ARGV);
- if (m/^-b$/) {
- &setopmode('build');
- } elsif (m/^-x$/) {
- &setopmode('extract');
- } elsif (m/^-s([akpursnAKPUR])$/) {
- $sourcestyle= $1;
- } elsif (m/^-c/) {
- $controlfile= $';
- } elsif (m/^-l/) {
- $changelogfile= $';
- } elsif (m/^-F([0-9a-z]+)$/) {
- $changelogformat=$1;
- } elsif (m/^-D([^\=:]+)[=:]/) {
- $override{$1}= $';
- } elsif (m/^-U([^\=:]+)$/) {
- $remove{$1}= 1;
- } elsif (m/^-V(\w[-:0-9A-Za-z]*)[=:]/) {
- $substvar{$1}= $';
- } elsif (m/^-T/) {
- $varlistfile= $';
- } elsif (m/^-h$/) {
- &usageversion; exit(0);
- } elsif (m/^--$/) {
- last;
- } else {
- &usageerr("unknown option $_");
- }
- }
-
- defined($opmode) || &usageerr("need -x or -b");
-
- if ($opmode eq 'build') {
-
- $sourcestyle =~ y/X/A/;
- $sourcestyle =~ m/[akpursnAKPUR]/ ||
- &usageerr("source handling style -s$sourcestyle not allowed with -b");
-
- @ARGV || &usageerr("-b needs a directory");
- @ARGV<=2 || &usageerr("-b takes at most a directory and an orig source argument");
- $dir= shift(@ARGV);
- $dir= "./$dir" unless $dir =~ m:^/:; $dir =~ s,/*$,,;
- stat($dir) || &error("cannot stat directory $dir: $!");
- -d $dir || &error("directory argument $dir is not a directory");
-
- $changelogfile= "$dir/debian/changelog" unless defined($changelogfile);
- $controlfile= "$dir/debian/control" unless defined($controlfile);
-
- &parsechangelog;
- &parsecontrolfile;
-
- $archspecific=0;
- for $_ (keys %fi) {
- $v= $fi{$_};
- if (s/^C //) {
- #print STDERR "G key >$_< value >$v<\n";
- if (m/^Source$/) { &setsourcepackage; }
- elsif (m/^Standards-Version$|^Maintainer$/) { $f{$_}= $v; }
- elsif (s/^X[BC]*S[BC]*-//i) { $f{$_}= $v; }
- elsif (m/^(Section|Priority|Files)$/ || m/^X[BC]+-/i) { }
- else { &unknown('general section of control info file'); }
- } elsif (s/^C(\d+) //) {
- #print STDERR "P key >$_< value >$v<\n";
- $i=$1; $p=$fi{"C$i Package"};
- push(@binarypackages,$p) unless $packageadded{$p}++;
- if (m/^Architecture$/) {
- #print STDERR "$p >$v< >".join(' ',@sourcearch)."<\n";
- if ($v eq 'any') {
- @sourcearch= ('any');
- } elsif ($v eq 'all') {
- if (!@sourcearch || $sourcearch[0] eq 'all') {
- @sourcearch= ('all');
- } else {
- @sourcearch= ('any');
- }
- } else {
- if (grep($sourcearch[0] eq $_, 'any','all')) {
- @sourcearch= ('any');
- } else {
- for $a (split(/\s+/,$v)) {
- &error("architecture $a only allowed on its own".
- " (list for package $p is \`$a')")
- if grep($a eq $_, 'any','all');
- push(@sourcearch,$a) unless $archadded{$a}++;
- }
- }
- }
- $f{'Architecture'}= join(' ',@sourcearch);
- } elsif (s/^X[BC]*S[BC]*-//i) {
- $f{$_}= $v;
- } elsif (m/^(Package|Essential|Pre-Depends|Depends|Provides)$/ ||
- m/^(Recommends|Suggests|Optional|Conflicts|Replaces)$/ ||
- m/^(Description|Section|Priority)$/ ||
- m/^X[CS]+-/i) {
- } else {
- &unknown("package's section of control info file");
- }
- } elsif (s/^L //) {
- #print STDERR "L key >$_< value >$v<\n";
- if (m/^Source$/) {
- &setsourcepackage;
- } elsif (m/^Version$/) {
- $f{$_}= $v;
- } elsif (s/^X[BS]*C[BS]*-//i) {
- $f{$_}= $v;
- } elsif (m/^(Maintainer|Changes|Urgency|Distribution|Date)$/ ||
- m/^X[BS]+-/i) {
- } else {
- &unknown("parsed version of changelog");
- }
- } else {
- &internerr("value from nowhere, with key >$_< and value >$v<");
- }
- }
-
- $f{'Binary'}= join(', ',@binarypackages);
- for $f (keys %override) { $f{&capit($f)}= $override{$f}; }
-
- for $f (qw(Version)) {
- defined($f{$f}) || &error("missing information for critical output field $f");
- }
- for $f (qw(Maintainer Architecture Standards-Version)) {
- defined($f{$f}) || &warn("missing information for output field $f");
- }
- defined($sourcepackage) || &error("unable to determine source package name !");
- $f{'Source'}= $sourcepackage;
- for $f (keys %remove) { delete $f{&capit($f)}; }
-
- $version= $f{'Version'};
- $version =~ s/^\d+://; $upstreamversion= $version; $upstreamversion =~ s/-[^-]*$//;
- $basenamerev= $sourcepackage.'_'.$version;
- $basename= $sourcepackage.'_'.$upstreamversion;
- $basedirname= $basename;
- #print STDERR ">$basedirname<\n";
- $basedirname =~ s/_/-/;
- #print STDERR ">$basedirname<\n";
-
- $origdir= "$dir.orig";
- $origtargz= "$basename.orig.tar.gz";
- if (@ARGV) {
- $origarg= shift(@ARGV);
- if (length($origarg)) {
- stat($origarg) || &error("cannot stat orig argument $origarg: $!");
- if (-d _) {
- $origdir= $origarg;
- $origdir= "./$origdir" unless $origdir =~ m,^/,; $origdir =~ s,/*$,,;
- $sourcestyle =~ y/aA/rR/;
- $sourcestyle =~ m/[ursURS]/ ||
- &error("orig argument is unpacked but source handling style".
- " -s$sourcestyle calls for packed (.orig.tar.gz)");
- } elsif (-f _) {
- $origtargz= $origarg;
- $sourcestyle =~ y/aA/pP/;
- $sourcestyle =~ m/[kpsKPS]/ ||
- &error("orig argument is packed but source handling style".
- " -s$sourcestyle calls for unpacked (.orig/)");
- } else {
- &error("orig argument $origarg is not a plain file or directory");
- }
- } else {
- $sourcestyle =~ y/aA/nn/;
- $sourcestyle =~ m/n/ ||
- &error("orig argument is empty (means no orig, no diff)".
- " but source handling style -s$sourcestyle wants something");
- }
- }
-
- if ($sourcestyle =~ m/[aA]/) {
- if (stat("$origtargz")) {
- -f _ || &error("packed orig \`$origtargz' exists but is not a plain file");
- $sourcestyle =~ y/aA/pP/;
- } elsif ($! != ENOENT) {
- &syserr("unable to stat putative packed orig \`$origtargz'");
- } elsif (stat("$origdir")) {
- -d _ || &error("unpacked orig \`$origdir' exists but is not a directory");
- $sourcestyle =~ y/aA/rR/;
- } elsif ($! != ENOENT) {
- &syserr("unable to stat putative unpacked orig \`$origdir'");
- } else {
- $sourcestyle =~ y/aA/nn/;
- }
- }
- $dirbase= $dir; $dirbase =~ s,/?$,,; $dirbase =~ s,[^/]+$,,; $dirname= $&;
- $dirname eq $basedirname || &warn("source directory \`$dir' is not <sourcepackage>".
- "-<upstreamversion> \`$basedirname'");
-
- if ($sourcestyle ne 'n') {
- $origdirbase= $origdir; $origdirbase =~ s,/?$,,;
- $origdirbase =~ s,[^/]+$,,; $origdirname= $&;
-
- $origdirname eq "$basedirname.orig" ||
- &warn(".orig directory name $origdirname is not <package>".
- "-<upstreamversion> (wanted $basedirname.orig)");
- $tardirbase= $origdirbase; $tardirname= $origdirname;
-
- $tarname= $origtargz;
- $tarname eq "$basename.orig.tar.gz" ||
- &warn(".orig.tar.gz name $tarname is not <package>_<upstreamversion>".
- ".orig.tar.gz (wanted $basename.orig.tar.gz)");
- } else {
- $tardirbase= $dirbase; $tardirname= $dirname;
- $tarname= "$basenamerev.tar.gz";
- }
-
- #print STDERR ">$dir|$origdir|$origtargz|$sourcestyle<\n";
-
- if ($sourcestyle =~ m/[nurUR]/) {
-
- if (stat($tarname)) {
- $sourcestyle =~ m/[nUR]/ ||
- &error("tarfile \`$tarname' already exists, not overwriting,".
- " giving up; use -sU or -sR to override");
- } elsif ($! != ENOENT) {
- &syserr("unable to check for existence of \`$tarname'");
- }
-
- #print STDERR ">$tarname|$tardirbase|$tardirname<\n";
-
- print("$progname: building $sourcepackage in $tarname\n")
- || &syserr("write building tar message");
- &forkgzipwrite("$tarname.new");
- defined($c2= fork) || &syserr("fork for tar");
- if (!$c2) {
- chdir($tardirbase) || &syserr("chdir to above (orig) source $tardirbase");
- #system('pwd && ls');
- open(STDOUT,">&GZIP") || &syserr("reopen gzip for tar");
- # FIXME: put `--' argument back when tar is fixed
- exec('tar','-cf','-',$tardirname); &syserr("exec tar");
- }
- close(GZIP);
- &reapgzip;
- $c2 == waitpid($c2,0) || &syserr("wait for tar");
- $? && !(WIFSIGNALED($c2) && WTERMSIG($c2) == SIGPIPE) && subprocerr("tar");
- rename("$tarname.new",$tarname) ||
- &syserr("unable to rename \`$tarname.new' (newly created) to \`$tarname'");
-
- } else {
-
- print("$progname: building $sourcepackage using existing $tarname\n")
- || &syserr("write using existing tar message");
-
- }
-
- addfile ("$tarname");
-
- if ($sourcestyle =~ m/[kpKP]/) {
-
- if (stat ($origdir)) {
- if (! $sourcestyle =~ m/[KP]/) {
- &error ("orig dir \`$origdir' already exists, not overwriting,"
- . " giving up; use -sA, -sK or -sP to override");
- }
- erasedir ($origdir);
- } elsif ($! != ENOENT) {
- &syserr ("unable to check for existence of orig dir \`$origdir'");
- }
-
- $expectprefix = $origdir;
- $expectprefix =~ s,^\./,,;
- checktarsane ($origtargz, $expectprefix);
- mkdir ("$origtargz.tmp-nest",0755) ||
- &syserr ("unable to create \`$origtargz.tmp-nest'");
- extracttar ($origtargz, "$origtargz.tmp-nest", $expectprefix);
- rename ("$origtargz.tmp-nest/$expectprefix", $expectprefix) ||
- &syserr ("unable to rename \`$origtargz.tmp-nest/$expectprefix' to "
- . "\`$expectprefix'");
- rmdir ("$origtargz.tmp-nest") ||
- &syserr ("unable to remove \`$origtargz.tmp-nest'");
-
- }
-
- if ($sourcestyle =~ m/[kpursKPUR]/) {
-
- print ("$progname: building $sourcepackage in $basenamerev.diff.gz\n")
- || &syserr ("write building diff message");
- &forkgzipwrite ("$basenamerev.diff.gz");
-
- defined($c2= open(FIND,"-|")) || &syserr("fork for find");
- if (!$c2) {
- chdir($dir) || &syserr("chdir to $dir for find");
- exec 'find', '.', @findextra;
- &syserr ("exec find");
- }
- $/= $findsep;
-
- file:
- while (defined($fn= <FIND>)) {
- if ($findversion == "new") {
- $fn =~ s/\0$//;
- } else {
- $fn =~ s/\n$//;
- }
- $fn =~ s,^\./,,;
- lstat("$dir/$fn") || &syserr("cannot stat file $dir/$fn");
- if (-l _) {
- $type{$fn}= 'symlink';
- &checktype('-l') || next;
- defined($n= readlink("$dir/$fn")) ||
- &syserr("cannot read link $dir/$fn");
- defined($n2= readlink("$origdir/$fn")) ||
- &syserr("cannot read orig link $origdir/$fn");
- $n eq $n2 || &unrepdiff2("symlink to $n2","symlink to $n");
- } elsif (-f _) {
- $type{$fn}= 'plain file';
- if (!lstat("$origdir/$fn")) {
- $! == ENOENT || &syserr("cannot stat orig file $origdir/$fn");
- $ofnread= '/dev/null';
- } elsif (-f _) {
- $ofnread= "$origdir/$fn";
- } else {
- &unrepdiff2("something else","plain file");
- next;
- }
- defined($c3= open(DIFFGEN,"-|")) || &syserr("fork for diff");
- if (!$c3) {
- exec('diff','-u',
- '-L',"$basedirname.orig/$fn",
- '-L',"$basedirname/$fn",
- '--',"$ofnread","$dir/$fn"); &syserr("exec diff");
- }
- $difflinefound= 0;
- $/= "\n";
- while (<DIFFGEN>) {
- if (m/^binary/i) {
- close(DIFFGEN); $/= $findsep;
- &unrepdiff("binary file contents changed");
- next file;
- } elsif (m/^[-+\@ ]/) {
- $difflinefound=1;
- } elsif (m/^\\ No newline at end of file$/) {
- &warn("file $fn has no final newline ".
- "(either original or modified version)");
- } else {
- s/\n$//;
- &internerr("unknown line from diff -u on $fn: \`$_'");
- }
- print(GZIP $_) || &syserr("failed to write to gzip");
- }
- close(DIFFGEN); $/= $findsep;
- if (WIFEXITED($?) && (($es=WEXITSTATUS($?))==0 || $es==1)) {
- if ($es==1 && !$difflinefound) {
- &unrepdiff("diff gave 1 but no diff lines found");
- }
- } else {
- subprocerr("diff on $dir/$fn");
- }
- } elsif (-p _) {
- $type{$fn}= 'pipe';
- &checktype('-p');
- } elsif (-b _ || -c _ || -S _) {
- &unrepdiff("device or socket is not allowed");
- } elsif (-d _) {
- $type{$fn}= 'directory';
- } else {
- &unrepdiff("unknown file type ($!)");
- }
- }
- close (FIND); $? && subprocerr ("find on $dir");
- close (GZIP) || &syserr ("finish write to gzip pipe");
- &reapgzip;
-
- defined ($c2 = open (FIND, "-|")) || &syserr ("fork for 2nd find");
- if (!$c2) {
- chdir ($origdir) || &syserr ("chdir to $origdir for 2nd find");
- exec 'find', '.', @findextra;
- &syserr ("exec second find");
- }
- $/= $findsep;
- while (defined ($fn = <FIND>)) {
- if ($findsep == "\0") {
- $fn =~ s/\0$//;
- } else {
- $fn =~ s/\n$//;
- }
- $fn =~ s,^\./,,;
- next if defined ($type{$fn});
- lstat ("$origdir/$fn") || &syserr ("cannot check orig file $origdir/$fn");
- if (-f _) {
- &warn("ignoring deletion of file $fn");
- } elsif (-d _) {
- &warn("ignoring deletion of directory $fn");
- } elsif (-l _) {
- &warn("ignoring deletion of symlink $fn");
- } else {
- &unrepdiff2('not a file, directory or link','nonexistent');
- }
- }
- close (FIND); $? && subprocerr ("find on $dirname");
-
- &addfile ("$basenamerev.diff.gz");
- }
-
- if ($sourcestyle =~ m/[prPR]/) {
- erasedir($origdir);
- }
-
- print("$progname: building $sourcepackage in $basenamerev.dsc\n")
- || &syserr("write building message");
- open(STDOUT,"> $basenamerev.dsc") || &syserr("create $basenamerev.dsc");
- &outputclose(1);
-
- if ($ur) {
- print(STDERR "$progname: unrepresentable changes to source\n")
- || &syserr("write error msg: $!");
- exit(1);
- }
- exit(0);
-
- } else {
-
- $sourcestyle =~ y/X/p/;
- $sourcestyle =~ m/[pun]/ ||
- &usageerr("source handling style -s$sourcestyle not allowed with -b");
-
- @ARGV==1 || &usageerr("-x needs exactly one argument, the .dsc");
- $dsc= shift(@ARGV);
- $dsc= "./$dsc" unless $dsc =~ m:^/:;
- $dscdir= $dsc; $dscdir= "./$dscdir" unless $dsc =~ m,^/|^\./,;
- $dscdir =~ s,/[^/]+$,,;
-
- open (CDATA, "< $dsc") || &error ("cannot open .dsc file $dsc: $!");
- &parsecdata ('S', -1, "source control file $dsc");
- close (CDATA);
-
- for $f (qw(Source Version Files)) {
- defined ($fi{"S $f"}) ||
- &error ("missing critical source control field $f");
- }
-
- $sourcepackage= $fi{'S Source'};
- $sourcepackage =~ m/[^-+.0-9a-z]/ &&
- &error("source package name contains illegal character \`$&'");
- $sourcepackage =~ m/^[0-9a-z]./ ||
- &error("source package name is too short or starts with non-alphanum");
-
- $version= $fi{'S Version'};
- $version =~ m/[^-+:.0-9a-zA-Z]/ &&
- &error("version number contains illegal character \`$&'");
- $version =~ s/^\d+://;
- if ($version =~ m/-([^-]+)$/) {
- $baseversion= $`; $revision= $1;
- } else {
- $baseversion= $version; $revision= '';
- }
-
- $files= $fi{'S Files'};
- for $file (split(/\n /,$files)) {
- next if $file eq '';
- $file =~ m/^([0-9a-f]{32})[ \t]+(\d+)[ \t]+([0-9a-zA-Z][-+:.,=0-9a-zA-Z_]+)$/
- || &error("Files field contains bad line \`$file'");
- ($md5sum{$3},$size{$3},$file) = ($1,$2,$3);
- &setfile(\$tarfile) if $file =~ m/\.tar\.gz$/;
- &setfile(\$difffile) if $file =~ m/\.diff\.gz$/;
- }
-
- $newdirectory = $sourcepackage . '-' . $baseversion;
- $expectprefix = $newdirectory;
- if (length ($difffile)) { $expectprefix.= '.orig'; }
-
- if (! length ($tarfile)) { &error ("no tarfile in Files field"); }
- checkstats ($tarfile);
- if (length ($difffile)) { checkstats ($difffile); }
-
- $tarprefix = checktarsane ("$dscdir/$tarfile", $expectprefix);
-
- my $tarsubst = quotemeta ($tarprefix);
- my $expectsubst = $expectprefix;
- @filesinarchive = map { s/^$tarsubst/$expectsubst/; $_ } @filesinarchive;
- %dirincluded = map { s/^$tarsubst/$expectsubst/; $_=>1 } (keys %dirincluded);
- %notfileobject = map { s/^$tarsubst/$expectsubst/; $_=>1 } (keys %notfileobject);
-
- if (length ($difffile)) {
-
- &forkgzipread("$dscdir/$difffile");
- $/="\n";
- while (<GZIP>) {
- s/\n$// || &error("diff is missing trailing newline");
- if (/^--- /) {
- $fn= $';
- substr($fn,0,length($expectprefix)+1) eq "$expectprefix/" ||
- &error("diff patches file ($fn) not in expected subdirectory");
- $fn =~ m/\.dpkg-orig$/ &&
- &error("diff patches file with name ending .dpkg-orig");
- $dirname= $fn;
- if ($dirname =~ s,/[^/]+$,, && !defined($dirincluded{$dirname})) {
- $dirtocreate{$dirname} = 1;
- }
- defined($notfileobject{$fn}) &&
- &error("diff patches something which is not a plain file");
- $_= <GZIP>; s/\n$// ||
- &error("diff finishes in middle of ---/+++ (line $.)");
- $_ eq '+++ '.$newdirectory.substr($fn,length($expectprefix)) ||
- &error("line after --- for file $fn isn't as expected");
- $filepatched{$fn}++ && &error("diff patches file $fn twice");
- } elsif (/^\\ No newline at end of file$/) {
- } elsif (/^[-+ \@]/) {
- } else {
- &error ("diff contains unknown line \`$_'");
- }
- }
- close(GZIP);
-
- &reapgzip;
- }
-
- print("$progname: extracting $sourcepackage in $newdirectory\n")
- || &syserr("write extracting message");
-
- &erasedir($newdirectory);
- &erasedir("$newdirectory.orig");
-
- mkdir("$expectprefix.tmp-nest",0755)
- || &syserr("unable to create \`$expectprefix.tmp-nest'");
- extracttar("$dscdir/$tarfile","$expectprefix.tmp-nest","$expectprefix");
- rename("$expectprefix.tmp-nest/$expectprefix","$expectprefix")
- || &syserr("unable to rename \`$expectprefix.tmp-nest/$expectprefix' "
- ."to \`$expectprefix'");
- rmdir("$expectprefix.tmp-nest")
- || &syserr("unable to remove \`$expectprefix.tmp-nest'");
-
- for $dircreate (keys %dirtocreate) {
- $dircreatem= "";
- for $dircreatep (split("/",$dirc)) {
- $dircreatem.= $dircreatep;
- if (!lstat($dircreatem)) {
- $! == ENOENT || &syserr("cannot stat $dircreatem");
- mkdir($dircreatem,0777)
- || &syserr("failed to create $dircreatem subdirectory");
- }
- else {
- -d _ || &error("diff patches file in directory \`$dircreate',"
- ." but $dircreatem isn't a directory !");
- }
- }
- }
-
- if (length($difffile)) {
- rename($expectprefix,$newdirectory) ||
- &syserr("failed to rename newly-extracted $expectprefix to $newdirectory");
-
- if ($sourcestyle =~ m/u/) {
- mkdir("$expectprefix.tmp-nest",0755)
- || &syserr("unable to create \`$expectprefix.tmp-nest'");
- extracttar("$dscdir/$tarfile","$expectprefix.tmp-nest",
- "$expectprefix");
- rename("$expectprefix.tmp-nest/$expectprefix","$expectprefix")
- || &syserr("unable to rename \`$expectprefix.tmp-nest/"
- ."$expectprefix' to \`$expectprefix'");
- rmdir("$expectprefix.tmp-nest")
- || &syserr("unable to remove \`$expectprefix.tmp-nest'");
- } elsif ($sourcestyle =~ m/p/) {
- stat("$dscdir/$tarfile") ||
- &syserr("failed to stat \`$dscdir/$tarfile' to see if need to copy");
- ($dsctardev,$dsctarino) = stat _;
- $dumptar= $sourcepackage.'_'.$baseversion.'.orig.tar.gz';
- if (!stat($dumptar)) {
- $! == ENOENT || &syserr("failed to check destination \`$dumptar'".
- " to see if need to copy");
- } else {
- ($dumptardev,$dumptarino) = stat _;
- if ($dumptardev == $dsctardev && $dumptarino == $dsctarino) {
- $dumptar= '';
- }
- }
- if (length($dumptar)) {
- system('cp','--',"$dscdir/$tarfile","$dumptar");
- $? && subprocerr("cp $dscdir/$tarfile to $dumptar");
- }
- }
-
- &forkgzipread("$dscdir/$difffile");
- defined($c2= fork) || &syserr("fork for patch");
- if (!$c2) {
- open(STDIN,"<&GZIP") || &syserr("reopen gzip for patch");
- chdir($newdirectory) || &syserr("chdir to $newdirectory for patch");
- exec 'patch', '-s', '-t', '-F', '0', '-N', '-p1', '-u', '-V', 'never', @patchextra;
- &syserr("exec patch");
- }
- close(GZIP);
- $c2 == waitpid($c2,0) || &syserr("wait for patch");
- $? && subprocerr("patch");
- &reapgzip;
-
- for $fn (keys %filepatched) {
- $ftr= "$newdirectory/".substr($fn,length($expectprefix)+1).".dpkg-orig";
- unlink($ftr) || &syserr("remove patch backup file $ftr");
- }
-
- if (!(@s= lstat("$newdirectory/debian/rules"))) {
- $! == ENOENT || &syserr("cannot stat $newdirectory/debian/rules");
- &warn("$newdirectory/debian/rules does not exist");
- } elsif (-f _) {
- chmod($s[2] | 0111, "$newdirectory/debian/rules") ||
- &syserr("cannot make $newdirectory/debian/rules executable");
- } else {
- &warn("$newdirectory/debian/rules is not a plain file");
- }
- }
-
- $execmode= 0777 & ~umask;
- (@s= stat('.')) || &syserr("cannot stat \`.'");
- $dirmode= $execmode | ($s[2] & 02000);
- $plainmode= $execmode & ~0111;
- $fifomode= ($plainmode & 0222) | (($plainmode & 0222) << 1);
- for $fn (@filesinarchive) {
- $fn= substr($fn,length($expectprefix)+1);
- $fn= "$newdirectory/$fn";
- (@s= lstat($fn)) || &syserr("cannot stat extracted object \`$fn'");
- $mode= $s[2];
- if (-d _) {
- $newmode= $dirmode;
- } elsif (-f _) {
- $newmode= ($mode & 0111) ? $execmode : $plainmode;
- } elsif (-p _) {
- $newmode= $fifomode;
- } elsif (!-l _) {
- &internerr("unknown object \`$fn' after extract (mode ".
- sprintf("0%o",$mode).")");
- } else { next; }
- next if ($mode & 07777) == $newmode;
- chmod($newmode,$fn) ||
- &syserr(sprintf("cannot change mode of \`%s' to 0%o from 0%o",
- $fn,$newmode,$mode));
- }
- exit(0);
- }
-
- sub checkstats {
- my ($f) = @_;
- my @s;
- my $m;
- open(STDIN,"< $dscdir/$f") || &syserr("cannot read $dscdir/$f");
- (@s= stat(STDIN)) || &syserr("cannot fstat $dscdir/$f");
- $s[7] == $size{$f} || &error("file $f has size $s[7] instead of expected $size{$f}");
- $m= `md5sum`; $? && subprocerr("md5sum $f"); $m =~ s/\n$//;
- $m =~ s/^([0-9a-f]{32})( +-)?$/$1/ || &failure("md5sum of $f gave bad output \`$m'");
- $m eq $md5sum{$f} || &error("file $f has md5sum '$m' instead of expected $md5sum{$f}");
- open(STDIN,"</dev/null") || &syserr("reopen stdin from /dev/null");
- }
-
- sub erasedir {
- my ($dir) = @_;
- if (!lstat($dir)) {
- ($! == ENOENT) && return;
- &syserr("cannot stat directory $dir (before removal)");
- }
- system 'rm','-rf','--',$dir;
- $? && subprocerr("rm -rf $dir");
- if (!stat($dir)) {
- ($! == ENOENT) && return;
- &syserr("unable to check for removal of dir \`$dir'");
- }
- &failure("rm -rf failed to remove \`$dir'");
- }
-
- use strict 'vars';
-
- sub checktarcpio {
-
- my ($tarfileread, $wpfx) = @_;
- my ($tarprefix, $c2);
-
- @filesinarchive = ();
-
- # make <CPIO> read from the uncompressed archive file
- &forkgzipread ("$tarfileread");
- $c2 = open (CPIO, "-|");
- if (! defined ($c2)) { &syserr ("fork for cpio"); }
- if ($c2 == 0) {
- open (STDIN, "<&GZIP") || &syserr ("reopen gzip for cpio");
- open (STDERR, "| egrep -v '^[0-9]+ blocks\$' >&2") ||
- &syserr ("reopen stderr for cpio to grep out blocks message");
- exec 'cpio', '-t', @cpioextra;
- &syserr ("exec cpio");
- }
- close (GZIP);
-
- $/ = $cpiosep;
- while (defined ($fn = <CPIO>)) {
-
- $fn =~ s/[\0\n]$//;
-
- # store printable name of file for error messages
- my $pfn = $fn;
- $pfn =~ y/ -~/?/c;
-
- # if $tarprefix not set, we are examining the first file in the archive
- if (! $tarprefix) {
- $tarprefix = ($fn =~ m,([^/]*)[/],)[0];
- # need to check for multiple dots on some operating systems
- # empty tarprefix (due to regex failure) will match emptry string
- if ($tarprefix =~ /^[.]*$/) {
- &error ("tarfile \`$tarfileread' does not extract into a subdirectory"
- . " of the current directory ('$pfn')");
- }
- }
-
- if ($fn =~ m/\n/) {
- &error ("archive file \`$tarfileread' contains object with newline in its name (`$pfn')");
- }
-
- next if ($fn eq '././@LongLink');
-
- my $fprefix = substr ($fn, 0, length ($tarprefix));
- my $slash = substr ($fn, length ($tarprefix), 1);
- if ((($slash ne '/') && ($slash ne '')) || ($fprefix ne $tarprefix)) {
- &error ("tarfile \`$tarfileread' contains object ($pfn) ".
- "not in expected directory ($tarprefix)");
- }
-
- # need to check for multiple dots on some operating systems
- if ($fn =~ m/[.]{2,}/) {
- &error ("tarfile \`$tarfileread' contains object with".
- " /../ in its name ($pfn)");
- }
- push (@filesinarchive, $fn);
- }
- close (CPIO);
- $? && subprocerr ("cpio");
- &reapgzip;
- $/= "\n";
-
- return $tarprefix;
- }
-
- sub tarparse {
-
- my $fn;
- ($fn, $_) = @_;
-
- if (! m;^(\S{10}) (\w{1,8})/(\w{1,8}) +(\d+) (\d{4}-\d{2}-\d{2}) (\d{2}:\d{2}) (.+)$;) {
- &error ("tarfile \`$fn' contains unknown object"
- . " listed by tar as \`$_'");
- }
- my ($mode, $uid, $gid, $size, $date, $time, $name) =
- ($1, $2, $3, $4, $5, $6, $7);
-
- $mode =~ s/^([-dpsl])// ||
- &error ("tarfile \`$fn' contains object \`$_' with ".
- "unknown or forbidden type \`" . substr ($mode, 0, 1) . "'");
- my $type = $&;
-
- if ($type eq "l") {
- $name =~ s/ -\> .*//;
- }
- $name =~ s/ link to .+//;
-
- $name = deoctify ($name);
- if ($type eq "d") {
- $name =~ s,([^/])$,$1/,;
- }
-
- return ($type, $mode, $uid, $gid, $size, $date, $time, $name);
- }
-
- sub checktarsane {
-
- my ($tarfileread, $wpfx) = @_;
- my ($c2);
-
- %dirincluded = ();
- %notfileobject = ();
-
- my $tarprefix = &checktarcpio ($tarfileread, $wpfx);
-
- # make <TAR> read from the uncompressed archive file
- &forkgzipread ("$tarfileread");
- if (! defined ($c2 = open (TAR,"-|"))) { &syserr ("fork for tar -t"); }
- if (! $c2) {
- $ENV{'LANG'}= 'C';
- open (STDIN, "<&GZIP") || &syserr ("reopen gzip for tar -t");
- exec ('tar', '-vvtf', '-'); &syserr ("exec tar -vvtf -");
- }
- close (GZIP);
-
- my $efix = 0;
- while (<TAR>) {
-
- chomp;
-
- my ($type, $mode, $uid, $gid, $size, $date, $time, $tarfn)
- = &tarparse ($tarfileread, $_);
-
- my $ptarfn = $tarfn;
- $ptarfn =~ y/ -~/?/c;
-
- # fetch name of file as given by cpio
- my $cpiofn = $filesinarchive[$efix++];
- my $pcpiofn = $cpiofn;
- $pcpiofn =~ y/ -~/?/c;
-
- if ($cpiofn ne $tarfn) {
- if ((length ($cpiofn) == 99) && (length ($tarfn) >= 99)
- && (substr ($cpiofn, 0, 99) eq substr ($tarfn, 0, 99))) {
- # this file doesn't match because cpio truncated the name
- # to the first 100 characters. let it slide for now.
- &warn ("filename \`$pcpiofn' was truncated by cpio;" .
- " unable to check full pathname");
- } else {
- &error ("tarfile \`$tarfileread' contains unexpected object".
- " listed by tar as \`$ptarfn'; expected \`$pcpiofn'");
- }
- }
-
- # if cpio truncated the name above,
- # we still can't allow files to expand into /../
- # need to check for multiple dots on some operating systems
-
- if ($tarfn =~ m/[.]{2,}/) {
- &error ("tarfile \`$tarfileread' contains object with".
- "/../ in its name ($ptarfn)");
- }
-
- if ($tarfn =~ /\.dpkg-orig$/) {
- &error ("tarfile \`$tarfileread' contains file with name ending in .dpkg-orig \`$ptarfn'");
- }
-
- if ($mode =~ /[sStT]/ && $type ne "d") {
- &error ("tarfile \`$tarfileread' contains setuid, setgid".
- " or sticky object \`$ptarfn'");
- }
-
- if ($tarfn eq "$tarprefix/debian" && $type ne "d") {
- &error ("tarfile \`$tarfileread' contains object \`debian'".
- " that isn't a directory");
- }
-
- my $dirname = $tarfn;
- if (($dirname =~ s,/[^/]+$,,) && (! defined ($dirincluded{$dirname}))) {
- &error ("tarfile \`$tarfileread' contains object \`$ptarfn' but its containing ".
- "directory \`$dirname' does not precede it");
- }
-
- $tarfn =~ s,/$,,;
- if ($type eq "d") { $dirincluded{$tarfn} = 1; }
- if ($type ne "-") { $notfileobject{$tarfn} = 1; }
- }
- close (TAR);
- $? && subprocerr ("tar -vvtf");
- &reapgzip;
-
- return $tarprefix;
- }
-
- no strict 'vars';
-
- sub extracttar {
- my ($tarfileread,$dirchdir,$newtopdir) = @_;
- &forkgzipread("$tarfileread");
- defined($c2= fork) || &syserr("fork for tar -xkf -");
- if (!$c2) {
- chdir("$dirchdir") || &syserr("cannot chdir to \`$dirchdir' for tar extract");
- open(STDIN,"<&GZIP") || &syserr("reopen gzip for cpio -i");
- open(STDERR,"| egrep -v '^[0-9]+ blocks\$' >&2") ||
- &syserr("reopen stderr for cpio to grep out blocks message");
- exec ('tar','-xkf','-'); &syserr("exec tar -xkf -");
- }
- close(GZIP);
- $c2 == waitpid($c2,0) || &syserr("wait for tar -xkf -");
- $? && subprocerr("tar -xkf -");
- &reapgzip;
-
- opendir(D,"$dirchdir") || &syserr("Unable to open dir $dirchdir");
- @dirchdirfiles = grep($_ ne "." && $_ ne "..",readdir(D));
- closedir(D) || &syserr("Unable to close dir $dirchdir");
- (@dirchdirfiles==1 && -d "$dirchdir/$dirchdirfiles[0]") ||
- &error("$tarfileread extracted into >1 directory");
- rename("$dirchdir/$dirchdirfiles[0]", "$dirchdir/$newtopdir") ||
- &syserr("Unable to rename $dirchdir/$dirchdirfiles[0] to ".
- "$dirchdir/$newtopdir");
- }
-
- sub setfile {
- my ($varref) = @_;
- if (defined ($$varref)) {
- &error ("repeated file type - files " . $$varref . " and $file");
- }
- $$varref = $file;
- }
-
- sub checktype {
- if (!lstat("$origdir/$fn")) {
- &unrepdiff2("nonexistent",$type{$fn});
- } else {
- $v= eval("$_[0] _ ? 2 : 1"); $v || &internerr("checktype $@ ($_[0])");
- return 1 if $v == 2;
- &unrepdiff2("something else",$type{$fn});
- }
- return 0;
- }
-
- sub setopmode {
- defined($opmode) && &usageerr("only one of -x or -b allowed, and only once");
- $opmode= $_[0];
- }
-
- sub unrepdiff {
- print(STDERR "$progname: cannot represent change to $fn: $_[0]\n")
- || &syserr("write syserr unrep");
- $ur++;
- }
-
- sub unrepdiff2 {
- print(STDERR "$progname: cannot represent change to $fn:\n".
- "$progname: new version is $_[1]\n".
- "$progname: old version is $_[0]\n")
- || &syserr("write syserr unrep");
- $ur++;
- }
-
- sub forkgzipwrite {
- open (GZIPFILE, "> $_[0]") || &syserr ("create file $_[0]");
- pipe (GZIPREAD, GZIP) || &syserr ("pipe for gzip");
- defined ($cgz = fork ()) || &syserr ("fork for gzip");
- if ($cgz == 0) {
- open (STDIN, "<&GZIPREAD") || &syserr ("reopen gzip pipe");
- close (GZIPREAD);
- close (GZIP);
- open (STDOUT, ">&GZIPFILE") || &syserr ("reopen tar.gz");
- exec ('gzip', '-9');
- &syserr ("exec gzip");
- }
- close (GZIPREAD);
- $gzipsigpipeok = 0;
- }
-
- sub forkgzipread {
- open (GZIPFILE, "< $_[0]") || &syserr ("read file $_[0]");
- pipe (GZIP, GZIPWRITE) || &syserr ("pipe for gunzip");
- defined ($cgz = fork ()) || &syserr ("fork for gunzip");
- if ($cgz == 0) {
- open (STDOUT, ">&GZIPWRITE") || &syserr ("reopen gunzip pipe");
- close (GZIPWRITE);
- close (GZIP);
- open (STDIN, "<&GZIPFILE") || &syserr ("reopen input file");
- exec ("gunzip");
- &syserr ("exec gunzip");
- }
- close (GZIPWRITE);
- $gzipsigpipeok = 1;
- }
-
- sub reapgzip {
- $cgz == waitpid ($cgz, 0);
- if (! $cgz) { &syserr ("wait for gzip"); }
- if ($?
- && !($gzipsigpipeok
- && WIFSIGNALED ($?)
- && (WTERMSIG ($?) == SIGPIPE))) {
- subprocerr ("gzip");
- }
- close (GZIPFILE);
- }
-
- sub addfile {
- my ($filename)= @_;
- stat($filename) || &syserr("could not stat output file \`$filename'");
- $size= (stat _)[7];
- my $md5sum= `md5sum <$filename`;
- $? && &subprocerr("md5sum $filename");
- $md5sum =~ s/^([0-9a-f]{32})( +-)?$/$1/ || &failure("md5sum gave bogus output \`$_'");
- $f{'Files'}.= "\n $md5sum $size $filename";
- }
-
- # replace \ddd with their corresponding character, refuse \ddd > \377
- # modifies $_ (hs)
- {
- my $backslash;
- sub deoctify {
- my $fn= $_[0];
- $backslash= sprintf("\\%03o", unpack("C", "\\")) if !$backslash;
-
- s/\\{2}/$backslash/g;
- @_= split(/\\/, $fn);
-
- foreach (@_) {
- /^(\d{3})/ or next;
- &failure("bogus character `\\$1' in `$fn'\n") if oct($1) > 255;
- $_= pack("c", oct($1)) . $';
- }
- return join("", @_);
- } }
-
-