coreutils/announce-gen

332 lines
8.3 KiB
Perl
Executable File

#!/usr/bin/perl -w
# Generate an announcement message.
use strict;
use Getopt::Long;
use Digest::MD5;
use Digest::SHA1;
(my $VERSION = '$Revision: 1.13 $ ') =~ tr/[0-9].//cd;
(my $ME = $0) =~ s|.*/||;
my %valid_release_types = map {$_ => 1} qw (alpha beta major);
END
{
# Nobody ever checks the status of print()s. That's okay, because
# if any do fail, we're guaranteed to get an indicator when we close()
# the filehandle.
#
# Close stdout now, and if there were no errors, return happy status.
# If stdout has already been closed by the script, though, do nothing.
defined fileno STDOUT
or return;
close STDOUT
and return;
# Errors closing stdout. Indicate that, and hope stderr is OK.
warn "$ME: closing standard output: $!\n";
# Don't be so arrogant as to assume that we're the first END handler
# defined, and thus the last one invoked. There may be others yet
# to come. $? will be passed on to them, and to the final _exit().
#
# If it isn't already an error, make it one (and if it _is_ an error,
# preserve the value: it might be important).
$? ||= 1;
}
sub usage ($)
{
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]
OPTIONS:
Generate an announcement message.
FIXME: describe the following
--release-type=TYPE TYPE must be one of @types
--package-name=PACKAGE_NAME
--previous-version=VER
--current-version=VER
--release-archive-directory=DIR
--url-directory=URL_DIR
--news=NEWS_FILE optional
--help display this help and exit
--version output version information and exit
EOF
}
exit $exit_code;
}
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 "$ME: warning: `cmd' had unexpected exit code or signal ($?)\n";
}
{
my $release_type;
my $package_name;
my $prev_version;
my $curr_version;
my $release_archive_dir;
my @url_dir_list;
my $news_file;
GetOptions
(
'release-type=s' => \$release_type,
'package-name=s' => \$package_name,
'previous-version=s' => \$prev_version,
'current-version=s' => \$curr_version,
'release-archive-directory=s' => \$release_archive_dir,
'url-directory=s@' => \@url_dir_list,
'news=s@' => \$news_file,
help => sub { usage 0 },
version => sub { print "$ME version $VERSION\n"; exit },
) or usage 1;
my $fail = 0;
# Ensure that sure each required option is specified.
$release_type
or (warn "$ME: release type not specified\n"), $fail = 1;
$package_name
or (warn "$ME: package name not specified\n"), $fail = 1;
$prev_version
or (warn "$ME: previous version string not specified\n"), $fail = 1;
$curr_version
or (warn "$ME: current version string not specified\n"), $fail = 1;
$release_archive_dir
or (warn "$ME: release directory name not specified\n"), $fail = 1;
@url_dir_list
or (warn "$ME: URL directory name(s) not specified\n"), $fail = 1;
exists $valid_release_types{$release_type}
or (warn "$ME: `$release_type': invalid release type\n"), $fail = 1;
@ARGV
and (warn "$ME: too many arguments\n"), $fail = 1;
$fail
and usage 1;
my $my_distdir = "$package_name-$curr_version";
my $tgz = "$my_distdir.tar.gz";
my $tbz = "$my_distdir.tar.bz2";
my $xd = "$package_name-$prev_version-$curr_version.xdelta";
my %size;
foreach my $f (($tgz, $tbz, $xd))
{
my $cmd = "du --human $f";
my $t = `$cmd`;
# FIXME-someday: give a better diagnostic, a la $PROCESS_STATUS
$@
and (warn "$ME: command failed: `$cmd'\n"), $fail = 1;
chomp $t;
$t =~ s/^([\d.]+[MkK]).*/${1}B/;
$size{$f} = $t;
}
$fail
and exit 1;
print <<EOF;
Subject: $my_distdir released
<#secure method=pgpmime mode=sign>
FIXME: put comments here
EOF
print "Here are the compressed sources:\n";
foreach my $url (@url_dir_list)
{
print " $url/$tgz ($size{$tgz})\n";
print " $url/$tbz ($size{$tbz})\n";
}
print "\nAnd here are xdelta-style diffs:\n";
foreach my $url (@url_dir_list)
{
print " $url/$xd ($size{$xd})\n";
}
print "\nHere are GPG detached signatures:\n";
foreach my $url (@url_dir_list)
{
print " $url/$tgz.sig\n";
print " $url/$tbz.sig\n";
}
# FIXME: clean up upon interrupt or die
my $tmpdir = $ENV{TMPDIR} || '/tmp';
my $tmp = "$tmpdir/$ME-$$";
unlink $tmp; # ignore failure
print "\nHere are the MD5 and SHA1 signatures:\n";
print "\n";
print "<#part type=text/plain filename=\"$tmp\" disposition=inline>\n"
. "<#/part>\n";
open OUT, '>', $tmp
or die "$ME: $tmp: cannot open for writing: $!\n";
foreach my $meth (qw (md5 sha1))
{
foreach my $f (($tgz, $tbz, $xd))
{
open IN, '<', $f
or die "$ME: $f: cannot open for reading: $!\n";
binmode IN;
my $dig =
($meth eq 'md5'
? Digest::MD5->new->addfile(*IN)->hexdigest
: Digest::SHA1->new->addfile(*IN)->hexdigest);
close IN;
print OUT "$dig $f\n";
}
}
close OUT
or die "$ME: $tmp: while writing: $!\n";
chmod 0400, $tmp; # ignore failure
if ($news_file)
{
print "\nNEWS\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;
open NEWS, '<', $news_file
or die "$ME: $news_file: cannot open for reading: $!\n";
while (defined (my $line = <NEWS>))
{
if ( ! $in_items)
{
$line =~ /^[^ *].*\Q$curr_version\E/o
or next;
$in_items = 1;
print $line;
}
else
{
# Be careful that this regexp cannot match version numbers
# in NEWS items -- they might well say `introduced in 4.5.5',
# and we don't want that to match.
$line =~ /^[^ *].*\Q$prev_version\E/o
and last;
print $line;
}
}
close NEWS;
$in_items
or die "$ME: $news_file: no matching lines\n";
}
$release_type eq 'major'
or print_changelog_deltas ($package_name, $prev_version);
exit 0;
}