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eval '(exit $?0)' && eval 'exec perl -wS "$0" "$@"'
& eval 'exec perl -wS "$0" $argv:q'
if 0;
# Generate a release announcement message.
my $VERSION = '2017-09-13 06:45'; # UTC
# The definition above must lie within the first 8 lines in order
# for the Emacs time-stamp write hook (at end) to update it.
# If you change this file with Emacs, please let the write hook
# do its job. Otherwise, update this string manually.
# Copyright (C) 2002-2018 Free Software Foundation, Inc.
# 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 3 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/>.
# Written by Jim Meyering
use strict;
use Getopt::Long;
use POSIX qw(strftime);
(my $ME = $0) =~ s|.*/||;
my %valid_release_types = map {$_ => 1} qw (alpha beta stable);
my @archive_suffixes = ('tar.gz', 'tar.bz2', 'tar.lzma', 'tar.xz');
my %digest_classes =
(
'md5' => (eval { require Digest::MD5; } and 'Digest::MD5'),
'sha1' => ((eval { require Digest::SHA; } and 'Digest::SHA')
or (eval { require Digest::SHA1; } and 'Digest::SHA1'))
);
my $srcdir = '.';
sub usage ($)
{
my ($exit_code) = @_;
my $STREAM = ($exit_code == 0 ? *STDOUT : *STDERR);
if ($exit_code != 0)
{
print $STREAM "Try '$ME --help' for more information.\n";
}
else
{
my @types = sort keys %valid_release_types;
print $STREAM <<EOF;
Usage: $ME [OPTIONS]
Generate an announcement message. Run this from builddir.
OPTIONS:
These options must be specified:
--release-type=TYPE TYPE must be one of @types
--package-name=PACKAGE_NAME
--previous-version=VER
--current-version=VER
--gpg-key-id=ID The GnuPG ID of the key used to sign the tarballs
--url-directory=URL_DIR
The following are optional:
--news=NEWS_FILE include the NEWS section about this release
from this NEWS_FILE; accumulates.
--srcdir=DIR where to find the NEWS_FILEs (default: $srcdir)
--bootstrap-tools=TOOL_LIST a comma-separated list of tools, e.g.,
autoconf,automake,bison,gnulib
--gnulib-version=VERSION report VERSION as the gnulib version, where
VERSION is the result of running git describe
in the gnulib source directory.
required if gnulib is in TOOL_LIST.
--no-print-checksums do not emit MD5 or SHA1 checksums
--archive-suffix=SUF add SUF to the list of archive suffixes
--mail-headers=HEADERS a space-separated list of mail headers, e.g.,
To: x\@example.com Cc: y-announce\@example.com,...
--help display this help and exit
--version output version information and exit
EOF
}
exit $exit_code;
}
=item C<%size> = C<sizes (@file)>
Compute the sizes of the C<@file> and return them as a hash. Return
C<undef> if one of the computation failed.
=cut
sub sizes (@)
{
my (@file) = @_;
my $fail = 0;
my %res;
foreach my $f (@file)
{
my $cmd = "du -h $f";
my $t = `$cmd`;
# FIXME-someday: give a better diagnostic, a la $PROCESS_STATUS
$@
and (warn "command failed: '$cmd'\n"), $fail = 1;
chomp $t;
$t =~ s/^\s*([\d.]+[MkK]).*/${1}B/;
$res{$f} = $t;
}
return $fail ? undef : %res;
}
=item C<print_locations ($title, \@url, \%size, @file)
Print a section C<$title> dedicated to the list of <@file>, which
sizes are stored in C<%size>, and which are available from the C<@url>.
=cut
sub print_locations ($\@\%@)
{
my ($title, $url, $size, @file) = @_;
print "Here are the $title:\n";
foreach my $url (@{$url})
{
for my $file (@file)
{
print " $url/$file";
print " (", $$size{$file}, ")"
if exists $$size{$file};
print "\n";
}
}
print "\n";
}
=item C<print_checksums (@file)
Print the MD5 and SHA1 signature section for each C<@file>.
=cut
sub print_checksums (@)
{
my (@file) = @_;
print "Here are the MD5 and SHA1 checksums:\n";
print "\n";
foreach my $meth (qw (md5 sha1))
{
my $class = $digest_classes{$meth} or next;
foreach my $f (@file)
{
open IN, '<', $f
or die "$ME: $f: cannot open for reading: $!\n";
binmode IN;
my $dig = $class->new->addfile(*IN)->hexdigest;
close IN;
print "$dig $f\n";
}
}
print "\n";
}
=item C<print_news_deltas ($news_file, $prev_version, $curr_version)
Print the section of the NEWS file C<$news_file> addressing changes
between versions C<$prev_version> and C<$curr_version>.
=cut
sub print_news_deltas ($$$)
{
my ($news_file, $prev_version, $curr_version) = @_;
my $news_name = $news_file;
$news_name =~ s|^\Q$srcdir\E/||;
print "\n$news_name\n\n";
# Print all lines from $news_file, starting with the first one
# that mentions $curr_version up to but not including
# the first occurrence of $prev_version.
my $in_items;
my $re_prefix = qr/(?:\* )?(?:Noteworthy c|Major c|C)(?i:hanges)/;
my $found_news;
open NEWS, '<', $news_file
or die "$ME: $news_file: cannot open for reading: $!\n";
while (defined (my $line = <NEWS>))
{
if ( ! $in_items)
{
# Match lines like these:
# * Major changes in release 5.0.1:
# * Noteworthy changes in release 6.6 (2006-11-22) [stable]
$line =~ /^$re_prefix.*(?:[^\d.]|$)\Q$curr_version\E(?:[^\d.]|$)/o
or next;
$in_items = 1;
print $line;
}
else
{
# This regexp must not match version numbers in NEWS items.
# For example, they might well say "introduced in 4.5.5",
# and we don't want that to match.
$line =~ /^$re_prefix.*(?:[^\d.]|$)\Q$prev_version\E(?:[^\d.]|$)/o
and last;
print $line;
$line =~ /\S/
and $found_news = 1;
}
}
close NEWS;
$in_items
or die "$ME: $news_file: no matching lines for '$curr_version'\n";
$found_news
or die "$ME: $news_file: no news item found for '$curr_version'\n";
}
sub print_changelog_deltas ($$)
{
my ($package_name, $prev_version) = @_;
# Print new ChangeLog entries.
# First find all CVS-controlled ChangeLog files.
use File::Find;
my @changelog;
find ({wanted => sub {$_ eq 'ChangeLog' && -d 'CVS'
and push @changelog, $File::Find::name}},
'.');
# If there are no ChangeLog files, we're done.
@changelog
or return;
my %changelog = map {$_ => 1} @changelog;
# Reorder the list of files so that if there are ChangeLog
# files in the specified directories, they're listed first,
# in this order:
my @dir = qw ( . src lib m4 config doc );
# A typical @changelog array might look like this:
# ./ChangeLog
# ./po/ChangeLog
# ./m4/ChangeLog
# ./lib/ChangeLog
# ./doc/ChangeLog
# ./config/ChangeLog
my @reordered;
foreach my $d (@dir)
{
my $dot_slash = $d eq '.' ? $d : "./$d";
my $target = "$dot_slash/ChangeLog";
delete $changelog{$target}
and push @reordered, $target;
}
# Append any remaining ChangeLog files.
push @reordered, sort keys %changelog;
# Remove leading './'.
@reordered = map { s!^\./!!; $_ } @reordered;
print "\nChangeLog entries:\n\n";
# print join ("\n", @reordered), "\n";
$prev_version =~ s/\./_/g;
my $prev_cvs_tag = "\U$package_name\E-$prev_version";
my $cmd = "cvs -n diff -u -r$prev_cvs_tag -rHEAD @reordered";
open DIFF, '-|', $cmd
or die "$ME: cannot run '$cmd': $!\n";
# Print two types of lines, making minor changes:
# Lines starting with '+++ ', e.g.,
# +++ ChangeLog 22 Feb 2003 16:52:51 -0000 1.247
# and those starting with '+'.
# Don't print the others.
my $prev_printed_line_empty = 1;
while (defined (my $line = <DIFF>))
{
if ($line =~ /^\+\+\+ /)
{
my $separator = "*"x70 ."\n";
$line =~ s///;
$line =~ s/\s.*//;
$prev_printed_line_empty
or print "\n";
print $separator, $line, $separator;
}
elsif ($line =~ /^\+/)
{
$line =~ s///;
print $line;
$prev_printed_line_empty = ($line =~ /^$/);
}
}
close DIFF;
# The exit code should be 1.
# Allow in case there are no modified ChangeLog entries.
$? == 256 || $? == 128
or warn "warning: '$cmd' had unexpected exit code or signal ($?)\n";
}
sub get_tool_versions ($$)
{
my ($tool_list, $gnulib_version) = @_;
@$tool_list
or return ();
my $fail;
my @tool_version_pair;
foreach my $t (@$tool_list)
{
if ($t eq 'gnulib')
{
push @tool_version_pair, ucfirst $t . ' ' . $gnulib_version;
next;
}
# Assume that the last "word" on the first line of
# 'tool --version' output is the version string.
my ($first_line, undef) = split ("\n", `$t --version`);
if ($first_line =~ /.* (\d[\w.-]+)$/)
{
$t = ucfirst $t;
push @tool_version_pair, "$t $1";
}
else
{
defined $first_line
and $first_line = '';
warn "$t: unexpected --version output\n:$first_line";
$fail = 1;
}
}
$fail
and exit 1;
return @tool_version_pair;
}
{
# Neutralize the locale, so that, for instance, "du" does not
# issue "1,2" instead of "1.2", what confuses our regexps.
$ENV{LC_ALL} = "C";
my $mail_headers;
my $release_type;
my $package_name;
my $prev_version;
my $curr_version;
my $gpg_key_id;
my @url_dir_list;
my @news_file;
my $bootstrap_tools;
my $gnulib_version;
my $print_checksums_p = 1;
# Reformat the warnings before displaying them.
local $SIG{__WARN__} = sub
{
my ($msg) = @_;
# Warnings from GetOptions.
$msg =~ s/Option (\w)/option --$1/;
warn "$ME: $msg";
};
GetOptions
(
'mail-headers=s' => \$mail_headers,
'release-type=s' => \$release_type,
'package-name=s' => \$package_name,
'previous-version=s' => \$prev_version,
'current-version=s' => \$curr_version,
'gpg-key-id=s' => \$gpg_key_id,
'url-directory=s' => \@url_dir_list,
'news=s' => \@news_file,
'srcdir=s' => \$srcdir,
'bootstrap-tools=s' => \$bootstrap_tools,
'gnulib-version=s' => \$gnulib_version,
'print-checksums!' => \$print_checksums_p,
'archive-suffix=s' => \@archive_suffixes,
help => sub { usage 0 },
version => sub { print "$ME version $VERSION\n"; exit },
) or usage 1;
my $fail = 0;
# Ensure that each required option is specified.
$release_type
or (warn "release type not specified\n"), $fail = 1;
$package_name
or (warn "package name not specified\n"), $fail = 1;
$prev_version
or (warn "previous version string not specified\n"), $fail = 1;
$curr_version
or (warn "current version string not specified\n"), $fail = 1;
$gpg_key_id
or (warn "GnuPG key ID not specified\n"), $fail = 1;
@url_dir_list
or (warn "URL directory name(s) not specified\n"), $fail = 1;
my @tool_list = split ',', $bootstrap_tools
if $bootstrap_tools;
grep (/^gnulib$/, @tool_list) ^ defined $gnulib_version
and (warn "when specifying gnulib as a tool, you must also specify\n"
. "--gnulib-version=V, where V is the result of running git describe\n"
. "in the gnulib source directory.\n"), $fail = 1;
!$release_type || exists $valid_release_types{$release_type}
or (warn "'$release_type': invalid release type\n"), $fail = 1;
@ARGV
and (warn "too many arguments:\n", join ("\n", @ARGV), "\n"),
$fail = 1;
$fail
and usage 1;
my $my_distdir = "$package_name-$curr_version";
my $xd = "$package_name-$prev_version-$curr_version.xdelta";
my @candidates = map { "$my_distdir.$_" } @archive_suffixes;
my @tarballs = grep {-f $_} @candidates;
@tarballs
or die "$ME: none of " . join(', ', @candidates) . " were found\n";
my @sizable = @tarballs;
-f $xd
and push @sizable, $xd;
my %size = sizes (@sizable);
%size
or exit 1;
my $headers = '';
if (defined $mail_headers)
{
($headers = $mail_headers) =~ s/\s+(\S+:)/\n$1/g;
$headers .= "\n";
}
# The markup is escaped as <\# so that when this script is sent by
# mail (or part of a diff), Gnus is not triggered.
print <<EOF;
${headers}Subject: $my_distdir released [$release_type]
<\#secure method=pgpmime mode=sign>
FIXME: put comments here
EOF
if (@url_dir_list == 1 && @tarballs == 1)
{
# When there's only one tarball and one URL, use a more concise form.
my $m = "$url_dir_list[0]/$tarballs[0]";
print "Here are the compressed sources and a GPG detached signature[*]:\n"
. " $m\n"
. " $m.sig\n\n";
}
else
{
print_locations ("compressed sources", @url_dir_list, %size, @tarballs);
-f $xd
and print_locations ("xdelta diffs (useful? if so, "
. "please tell bug-gnulib\@gnu.org)",
@url_dir_list, %size, $xd);
my @sig_files = map { "$_.sig" } @tarballs;
print_locations ("GPG detached signatures[*]", @url_dir_list, %size,
@sig_files);
}
if ($url_dir_list[0] =~ "gnu\.org")
{
print "Use a mirror for higher download bandwidth:\n";
if (@tarballs == 1 && $url_dir_list[0] =~ m!https://ftp\.gnu\.org/gnu/!)
{
(my $m = "$url_dir_list[0]/$tarballs[0]")
=~ s!https://ftp\.gnu\.org/gnu/!https://ftpmirror\.gnu\.org/!;
print " $m\n"
. " $m.sig\n\n";
}
else
{
print " https://www.gnu.org/order/ftp.html\n\n";
}
}
$print_checksums_p
and print_checksums (@sizable);
print <<EOF;
[*] Use a .sig file to verify that the corresponding file (without the
.sig suffix) is intact. First, be sure to download both the .sig file
and the corresponding tarball. Then, run a command like this:
gpg --verify $tarballs[0].sig
If that command fails because you don't have the required public key,
then run this command to import it:
gpg --keyserver keys.gnupg.net --recv-keys $gpg_key_id
and rerun the 'gpg --verify' command.
EOF
my @tool_versions = get_tool_versions (\@tool_list, $gnulib_version);
@tool_versions
and print "\nThis release was bootstrapped with the following tools:",
join ('', map {"\n $_"} @tool_versions), "\n";
print_news_deltas ($_, $prev_version, $curr_version)
foreach @news_file;
$release_type eq 'stable'
or print_changelog_deltas ($package_name, $prev_version);
exit 0;
}
### Setup "GNU" style for perl-mode and cperl-mode.
## Local Variables:
## mode: perl
## perl-indent-level: 2
## perl-continued-statement-offset: 2
## perl-continued-brace-offset: 0
## perl-brace-offset: 0
## perl-brace-imaginary-offset: 0
## perl-label-offset: -2
## perl-extra-newline-before-brace: t
## perl-merge-trailing-else: nil
## eval: (add-hook 'write-file-hooks 'time-stamp)
## time-stamp-start: "my $VERSION = '"
## time-stamp-format: "%:y-%02m-%02d %02H:%02M"
## time-stamp-time-zone: "UTC0"
## time-stamp-end: "'; # UTC"
## End:
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