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-#! %%PERL%% -w
-# ----------------------------------------------------------------------------
-# "THE BEER-WARE LICENSE" (Revision 42)
-# <tobez@FreeBSD.org> wrote this file. As long as you retain this notice you
-# can do whatever you want with this stuff. If we meet some day, and you think
-# this stuff is worth it, you can buy me a beer in return. Anton Berezin
-# ----------------------------------------------------------------------------
-#
-# $FreeBSD$
-# $Id: perl-after-upgrade,v 1.11 2005/06/23 19:39:00 tobez Exp $
-#
-=pod
-
-=head1 NAME
-
-perl-after-upgrade -- fixup FreeBSD packages that depend on perl
-
-=head1 SYNOPSIS
-
- perl-after-upgrade
- perl-after-upgrade -f [-d] [-q]
- perl-after-upgrade -v
-
-=head1 DESCRIPTION
-
-The standard procedure after a perl port (lang/perl5.X) upgrade is to
-basically reinstall all other packages that depend on perl.
-This is always a painful exercise. The perl-after-upgrade utility makes
-this process mostly unnecessary.
-
-The tool goes through the list of installed packages, looks for those
-that depend on perl, moves files around, modifies shebang lines in those
-scripts in which it is necessary to do so, tries its best to adjust
-dynamically linked binaries that link with libperl.so in the old path,
-and updates the package database.
-
-After installation of the new perl is complete, either by hand from the
-ports collection, or from a package, or via portupgrade, do the
-following:
-
-=over 4
-
-=item o go root;
-
-=item o run perl-after-upgrade utility.
-
-Do not specify any arguments at first, so it does nothing destructive.
-Pay attention to the produced output and especially to errorlist at the
-end, if any;
-
-=item o run the utility again, with B<-f> command line option.
-
-This will actually do the work. Again, pay attention to the output
-produced;
-
-=item o fix any reported errors;
-
-=item o reinstall required packages:
-
-The utility will tell you what packages that depend on perl it could not
-handle. It will also tell you why it happened (for example, they were
-compiled against a binary incompatible perl). If you want such packages
-to remain operational, you will have to reinstall then by hand or via
-portupgrade.
-
-=item o review the files left in the older perl installation.
-
-This is typically /usr/local/lib/perl5/site_perl/5.X.Y/. There should
-be very little, if any, files in that directory and its subdirectories,
-excepting a number of .ph files;
-
-=item o check that things work as they should;
-
-=item o remove backup files from the package database.
-
-Those will be /var/db/pkg/*/+CONTENTS.bak;
-
-=item o that's all.
-
-=back
-
-=head1 COPYRIGHT AND LICENSE
-
-Copyright 2005 by Anton Berezin
-
- "THE BEER-WARE LICENSE" (Revision 42)
- <tobez@FreeBSD.org> wrote this module. As long as you retain this
- notice you can do whatever you want with this stuff. If we meet some
- day, and you think this stuff is worth it, you can buy me a beer in
- return.
-
- Anton Berezin
-
-NO WARRANTY OF ANY KIND, USE AT YOUR OWN RISK.
-
-=head1 HISTORY
-
-The first version of this utility was not bundled with perl package on
-FreeBSD. It was dumber than the current version in several important
-areas. It was faster.
-
-=head1 CREDITS
-
-Thanks to Mathieu Arnold for discussion.
-
-=head1 SEE ALSO
-
-perl(1).
-
-=cut
-
-use strict;
-use warnings;
-use 5.0100;
-
-our $debug = 0;
-
-# |/-\
-my $pchar = "|";
-my $do_progress = -t *STDOUT;
-sub progress
-{
- if ($do_progress) {
- print STDERR "$pchar";
- $pchar =~ tr<|/\\-><-|/\\>;
- }
-}
-
-package FreeBSD::Package;
-use strict;
-use warnings;
-
-use IO::File;
-use File::Copy;
-
-sub new
-{
- my ($pkg, %p) = @_;
- my $pkgdir = $p{pkgdir} || return undef;
- my $name = $pkgdir;
- $name =~ s|.*/||;
- main::progress();
- my $c = IO::File->new("< $pkgdir/+CONTENTS");
- return undef unless $c;
- my @lines;
- while (<$c>) {
- chomp;
- push @lines, $_;
- }
- my $me = bless {
- pkgdir => $pkgdir,
- lines => \@lines,
- name => $name,
- }, $pkg;
- return $me;
-}
-
-sub name
-{
- return $_[0]->{name};
-}
-
-sub lines
-{
- my $me = shift;
- if (@_ && @_ == 1 && ref(@_) eq 'ARRAY') {
- $me->{lines} = [@{$_[0]}];
- $me->{changed} = 1;
- } elsif (@_) {
- $me->{lines} = [@_];
- $me->{changed} = 1;
- } else {
- return @{$me->{lines}};
- }
-}
-
-sub write_back
-{
- my ($me) = @_;
-
- return unless $me->{changed};
- main::progress();
- my $file = "$me->{pkgdir}/+CONTENTS";
- copy($file, "$file.bak");
- my $c = IO::File->new("> $file");
- return unless $c;
- for (@{$me->{lines}}) {
- print $c "$_\n";
- }
-}
-
-package FreeBSD::Package::DB;
-use strict;
-use warnings;
-
-sub new
-{
- my ($pkg, %p) = @_;
- my $me = bless {
- dbdir => $p{dbdir} || $ENV{PKG_DBDIR} || "/var/db/pkg",
- }, $pkg;
- $me->{packages} = [ grep { -d } glob "$me->{dbdir}/*" ];
- $me->reset;
- return $me;
-}
-
-sub next
-{
- my ($me) = @_;
- while (1) {
- $me->{current}++;
- if ($me->{current} >= @{$me->{packages}}) {
- $me->reset;
- return undef;
- }
- my $pkg = FreeBSD::Package->new(pkgdir => $me->{packages}->[$me->{current}]);
- return $pkg if $pkg;
- }
-}
-
-sub reset
-{
- my ($me) = @_;
- $me->{current} = -1;
-}
-
-package main;
-use strict;
-use warnings;
-
-use File::Temp qw/tempfile/;
-use File::Copy;
-
-our $dry_run = 1;
-our $quiet = 0;
-my @tmpl;
-our $VERSION = "1.4";
-
-while (@ARGV) {
- my $opt = shift;
- if ($opt eq "-f") {
- $dry_run = 0;
- } elsif ($opt eq "-d") {
- $debug = 1;
- } elsif ($opt eq "-q") {
- $quiet = 1;
- } elsif ($opt eq "-v") {
- $_ = $0;
- s|.*/||;
- print "$_ version $VERSION\n";
- exit 0;
- } elsif ($opt =~ /^-/) {
- $_ = $0;
- s|.*/||;
- print "Unknown option `$opt'\n";
- print "Usage:\n";
- print "\t$_\n\t$_ -v\n\t$_ -f\n";
- exit 1;
- } else {
- push @tmpl, $opt;
- }
-}
-
-our $PERL_VERSION = '%%PERL_VERSION%%';
-our $PERL_PKGNAME = '%%PKGNAME%%';
-
-our $PERL_VERSION_REGEX = qr/5\.12\.\d+/;
-print STDERR "- Fuzzy source re: <$PERL_VERSION_REGEX>\n" if $debug;
-
-our @errors;
-our @notes;
-
-sub fix_script
-{
- my ($file) = @_;
-
- main::progress();
- return 1 if $dry_run;
- my $sf = IO::File->new("< $file");
- return "" unless $sf;
- my $line = <$sf>;
- my $md5 = "";
- if ($line && $line =~ s|^(\s*#!\s*[\w/]+perl)$PERL_VERSION_REGEX\b|$1$PERL_VERSION|) {
- my $dir = $file;
- $dir =~ s|/[^/]+$||;
- my ($fh, $fn) = tempfile(DIR=> $dir);
- if ($fh) {
- print $fh $line;
- while (<$sf>) {
- print $fh $_;
- }
- close $fh;
- $md5 = `/sbin/md5 -q $fn`;
- chomp $md5;
- my $mode = (stat($file))[2] & 07777;
- unlink $file or do {
- push @errors, "Failed to unlink $file: $!";
- unlink $fn;
- return "";
- };
- rename $fn, $file or do {
- push @errors, "Failed to rename $fn to $file: $!";
- return "";
- };
- chmod $mode, $file;
- } else {
- push @errors, "Failed to modify $file: $!";
- }
- }
- return $md5;
-}
-
-sub fix_binary
-{
- my ($file) = @_;
-
- main::progress();
- my $sf = IO::File->new("< $file");
- return "" unless $sf;
- my $was = $dry_run ? "would be" : "was";
- push @notes, "The $file binary $was modified, make sure it works";
- return 1 if $dry_run;
- my $md5 = "";
-
- my $dir = $file;
- $dir =~ s|/[^/]+$||;
- my ($fh, $fn) = tempfile(DIR=> $dir);
- unless ($fn) {
- push @errors, "Failed to modify $file: $!";
- return "";
- }
-
- while (<$sf>) {
- s|/lib/perl5/$PERL_VERSION_REGEX/mach/CORE|/lib/perl5/$PERL_VERSION/mach/CORE|g;
- print $fh $_;
- }
- close $fh;
- $md5 = `/sbin/md5 -q $fn`;
- chomp $md5;
- my $mode = (stat($file))[2] & 07777;
- unlink $file or do {
- push @errors, "Failed to unlink $file: $!";
- unlink $fn;
- return "";
- };
- rename $fn, $file or do {
- push @errors, "Failed to rename $fn to $file: $!";
- return "";
- };
- chmod $mode, $file;
- return $md5;
-}
-
-sub mkdir_recur
-{
- my ($dir) = @_;
-
- main::progress();
- $dir =~ s|/+$||;
- my $orig = $dir;
- if ($dir =~ m|^$|) {
- return 1;
- } else {
- $dir =~ s|/[^/]+$||;
- my $r = mkdir_recur($dir);
- return $r unless $r;
- mkdir $orig, 0777;
- my $e = $!;
- unless (-d $orig) {
- push @errors, "Could not create directory $orig: $e";
- return 0;
- }
- return 1;
- }
-}
-
-sub might_need_to_fix
-{
- my ($pkg) = @_;
- my $pkg_name = $pkg->name;
-
- main::progress();
- if ($pkg_name =~ /^bsdpan-/) {
- return 1;
- }
- for ($pkg->lines) {
- if (/^\@pkgdep\s+perl-(threaded-)?($PERL_VERSION_REGEX)\S*\s*$/) {
- return 1;
- }
- }
- return 0;
-}
-
-sub fixable_binary
-{
- my ($file, $name) = @_;
-
- main::progress();
- my $fixable = 0;
- for (`/usr/bin/ldd $file 2>&1`) {
- if (/^\s+libperl\.so\s+=>/) {
- my $found;
- for (`strings $file`) {
- if (m</lib/perl5/($PERL_VERSION_REGEX)/mach/CORE>) {
- $found++;
- if (length($1) != length($PERL_VERSION)) {
- push @notes, "$name cannot be fixed up (and has to be reinstalled): cannot patch $file due to length difference";
- print STDERR "- Skipping $name: cannot patch $file due to length difference\n" if $debug;
- return undef;
- }
- print STDERR "- $name: fixable binary $file\n" if $debug && $found < 2;
- $fixable = 1 if $1 ne $PERL_VERSION;
- }
- }
- if (!$found) {
- push @notes, "$name cannot be fixed up (and has to be reinstalled): $file is using unknown libperl";
- print STDERR "- Skipping $name: $file is using unknown libperl\n" if $debug;
- return undef;
- }
- }
- }
- return $fixable;
-}
-
-sub fixable_shared_lib
-{
- my ($file, $name) = @_;
-
- main::progress();
- my ($old);
- for (`strings $file`) {
- if (/^perl_get_sv$/) {
- push @notes, "$name cannot be fixed up (and has to be reinstalled): $file uses an old perl API";
- print STDERR "- Skipping $name: $file uses an old perl API\n" if $debug;
- return 0;
- }
- }
- return 1;
-}
-
-sub cannot_be_fixed
-{
- my ($pkg, $binaries, $scripts) = @_;
- my $pkg_name = $pkg->name;
- my $prefix = "";
-
- main::progress();
-
- for ($pkg->lines) {
- if (/^\@cwd\s+(\S+)\s*$/) {
- $prefix = $1;
- next;
- }
- my $file = "$prefix/$_";
- next if -l $file;
- next if $file =~ /\.gz$/;
- next if $file =~ /\.bz2$/;
- my $sf = IO::File->new("< $file");
- next unless $sf;
- my $line;
- sysread $sf, $line, 256;
-
- # binary executable
- if ($line && $line =~ /^\177ELF.\x01.\x09.{8}\x02\0/) {
- my $fixable = fixable_binary($file, $pkg_name);
- return 0 unless defined $fixable;
- push @$binaries, $file if $fixable;
- # shared library - can prevent us from being able to upgrade
- } elsif ($line && $line =~ /^\177ELF.\x01.\x09.{8}\x03\0/) {
- return 0 unless fixable_shared_lib($file, $pkg_name);
- } elsif ($line && $line =~ m<^\s*#!\s*[\w/]+perl($PERL_VERSION_REGEX)\b>) {
- print STDERR "- $pkg_name: fixable script $file\n" if $debug;
- push @$scripts, $file if $1 ne $PERL_VERSION;
- }
- main::progress();
- }
-}
-
-#
-my $db = FreeBSD::Package::DB->new;
-my ($fixed, $skipped, $tot_moved, $tot_modified) = (0,0,0,0);
-while (my $pkg = $db->next) {
- my @lines;
- my $new_md5;
- my ($adjusted, $moved, $modified) = (0,0,0);
-
- my $pkg_name = $pkg->name;
- if (@tmpl) {
- my $ok;
- for (@tmpl) {
- if ($pkg_name =~ /^$_/) {
- $ok = 1;
- last;
- }
- }
- next unless $ok;
- }
-
- unless (might_need_to_fix($pkg)) {
- $skipped++;
- print STDERR "- Skipping $pkg_name, it does not depend on perl\n" if $debug;
- next;
- }
-
- my (@binaries_to_fix, @scripts_to_fix);
- if (cannot_be_fixed($pkg, \@binaries_to_fix, \@scripts_to_fix)) {
- $skipped++;
- next;
- }
- if ($debug) {
- print STDERR "- $pkg_name: ", scalar(@binaries_to_fix), " binaries to fix\n" if @binaries_to_fix;
- print STDERR "- $pkg_name: ", scalar(@scripts_to_fix), " scripts to fix\n" if @scripts_to_fix;
- }
- my %binaries = map { $_ => 1 } @binaries_to_fix;
- my %scripts = map { $_ => 1 } @scripts_to_fix;
-
- my $prefix = "";
- my $pcnt = 0;
- for ($pkg->lines) {
- if (/^([^@]\S+)\s*$/) {
- my $from = "$prefix/$_";
- local $_; # we'll need it later
- $new_md5 = "";
- unless (-l $from) { # skip symlinks
- if ($binaries{$from}) {
- $new_md5 = fix_binary($from);
- } elsif ($scripts{$from}) {
- $new_md5 = fix_script($from);
- }
- $modified++ if $new_md5;
- }
- my $to = $from;
- if ($to =~ s|(/perl5/(?:site_perl/)?)$PERL_VERSION_REGEX|$1$PERL_VERSION|g) {
- if ($to ne $from) {
- my $dir = $to;
- $dir =~ s|/[^/]+$||;
- main::progress();
- unless ($dry_run) {
- if (mkdir_recur($dir)) {
- move($from, $to);
- } else {
- push @errors, " could not move $from to $to";
- }
- }
- $moved++;
- print STDERR "- move: $from => $to\n" if $debug;
- }
- }
- } elsif (/^\@comment\s+MD5:[\da-f]+\s*$/ && $new_md5) {
- s|MD5:(\S+)|MD5:$new_md5|;
- $new_md5 = "";
- } else {
- $new_md5 = "";
- }
- if (/^\@cwd\s+(\S+)\s*$/) {
- $prefix = $1;
- } elsif (/^\@pkgdep\s+perl-(threaded-)?($PERL_VERSION_REGEX)\S*\s*$/) {
- if ($PERL_VERSION ne $2) {
- my $perlver = $2;
- s|perl-(threaded-)?\Q$perlver\E\S*|$PERL_PKGNAME|;
- }
- }
- my $old = $_;
- if (s|(/perl5/(?:site_perl/)?)$PERL_VERSION_REGEX|$1$PERL_VERSION|g) {
- if ($old ne $_) {
- $adjusted++;
- print STDERR "- adjust: $_\n" if $debug;
- }
- }
- push @lines, $_;
- main::progress() if $pcnt++ % 250 == 0;
- }
- unless ($dry_run) {
- $pkg->lines(@lines);
- $pkg->write_back;
- }
- $fixed++ if $moved || $modified || $adjusted;
- $tot_modified += $modified;
- $tot_moved += $moved;
- say "$pkg_name: $moved moved, $modified modified, $adjusted adjusted"
- if !$quiet || ($moved || $modified || $adjusted);
-}
-print "\n---\n";
-print "Fixed $fixed packages ($tot_moved files moved, $tot_modified files modified)\n";
-print "Skipped $skipped packages\n";
-if (@errors) {
- print "\n**** The script has encountered following problems:\n";
- for (@errors) {
- print "$_\n";
- }
- print "\n--- Repeating summary:\n";
- print "Fixed $fixed packages ($tot_moved files moved, $tot_modified files modified)\n";
- print "Skipped $skipped packages\n";
-}
-if (@notes) {
- print "\n**** In addition, please pay attention to the following:\n";
- for (@notes) {
- print "$_\n";
- }
- print "\n--- Repeating summary:\n";
- print "Fixed $fixed packages ($tot_moved files moved, $tot_modified files modified)\n";
- print "Skipped $skipped packages\n";
-}
generated by cgit (git 2.34.1) at 2024-12-04 01:50:53 +0800