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#!/usr/bin/env perl
# Licensed to Elasticsearch under one or more contributor
# license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright
# ownership. Elasticsearch licenses this file to you under
# the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on
# an 'AS IS' BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
# either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
use strict;
use warnings;
use HTTP::Tiny;
use IO::Socket::SSL 1.52;
use utf8;
my $Github_Key = load_github_key();
my $Base_URL = "https://${Github_Key}api.github.com/repos/";
my $User_Repo = 'elastic/elasticsearch/';
my $Issue_URL = "http://github.com/${User_Repo}issues/";
my @Groups = qw(
breaking deprecation feature
enhancement bug regression upgrade non-issue build docs test
);
my %Group_Labels = (
breaking => 'Breaking changes',
build => 'Build',
deprecation => 'Deprecations',
docs => 'Docs',
feature => 'New features',
enhancement => 'Enhancements',
bug => 'Bug fixes',
regression => 'Regressions',
test => 'Tests',
upgrade => 'Upgrades',
"non-issue" => 'Non-issue',
other => 'NOT CLASSIFIED',
);
use JSON();
use Encode qw(encode_utf8);
my $json = JSON->new->utf8(1);
my %All_Labels = fetch_labels();
my $version = shift @ARGV
or dump_labels();
dump_labels("Unknown version '$version'")
unless $All_Labels{$version};
my $issues = fetch_issues($version);
dump_issues( $version, $issues );
#===================================
sub dump_issues {
#===================================
my $version = shift;
my $issues = shift;
$version =~ s/v//;
my ( $day, $month, $year ) = (gmtime)[ 3 .. 5 ];
$month++;
$year += 1900;
print <<"ASCIIDOC";
:issue: https://github.com/${User_Repo}issues/
:pull: https://github.com/${User_Repo}pull/
[[release-notes-$version]]
== $version Release Notes
ASCIIDOC
for my $group ( @Groups, 'other' ) {
my $group_issues = $issues->{$group} or next;
print "[[$group-$version]]\n"
. "[float]\n"
. "=== $Group_Labels{$group}\n\n";
for my $header ( sort keys %$group_issues ) {
my $header_issues = $group_issues->{$header};
print( $header || 'HEADER MISSING', "::\n" );
for my $issue (@$header_issues) {
my $title = $issue->{title};
if ( $issue->{state} eq 'open' ) {
$title .= " [OPEN]";
}
unless ( $issue->{pull_request} ) {
$title .= " [ISSUE]";
}
my $number = $issue->{number};
print encode_utf8("* $title {pull}${number}[#${number}]");
if ( my $related = $issue->{related_issues} ) {
my %uniq = map { $_ => 1 } @$related;
print keys %uniq > 1
? " (issues: "
: " (issue: ";
print join ", ", map {"{issue}${_}[#${_}]"}
sort keys %uniq;
print ")";
}
print "\n";
}
print "\n";
}
print "\n\n";
}
}
#===================================
sub fetch_issues {
#===================================
my $version = shift;
my @issues;
my %seen;
for my $state ( 'open', 'closed' ) {
my $page = 1;
while (1) {
my $tranche
= fetch( $User_Repo
. 'issues?labels='
. $version
. '&pagesize=100&state='
. $state
. '&page='
. $page )
or die "Couldn't fetch issues for version '$version'";
push @issues, @$tranche;
for my $issue (@$tranche) {
next unless $issue->{pull_request};
for ( $issue->{body} =~ m{(?:#|${User_Repo}issues/)(\d+)}g ) {
$seen{$_}++;
push @{ $issue->{related_issues} }, $_;
}
}
$page++;
last unless @$tranche;
}
}
my %group;
ISSUE:
for my $issue (@issues) {
next if $seen{ $issue->{number} } && !$issue->{pull_request};
# uncomment for including/excluding PRs already issued in other versions
# next if grep {$_->{name}=~/^v2/} @{$issue->{labels}};
my %labels = map { $_->{name} => 1 } @{ $issue->{labels} };
my ($header) = map { substr( $_, 1 ) } grep {/^:/} sort keys %labels;
$header ||= 'NOT CLASSIFIED';
for (@Groups) {
if ( $labels{$_} ) {
push @{ $group{$_}{$header} }, $issue;
next ISSUE;
}
}
push @{ $group{other}{$header} }, $issue;
}
return \%group;
}
#===================================
sub fetch_labels {
#===================================
my %all;
my $page = 1;
while (1) {
my $labels = fetch( $User_Repo . 'labels?page=' . $page++ )
or die "Couldn't retrieve version labels";
last unless @$labels;
for (@$labels) {
my $name = $_->{name};
next unless $name =~ /^v/;
$all{$name} = 1;
}
}
return %all;
}
#===================================
sub fetch {
#===================================
my $url = $Base_URL . shift();
my $response = HTTP::Tiny->new->get($url);
die "$response->{status} $response->{reason}\n"
unless $response->{success};
# print $response->{content};
return $json->decode( $response->{content} );
}
#===================================
sub load_github_key {
#===================================
my ($file) = glob("~/.github_auth");
unless ( -e $file ) {
warn "File ~/.github_auth doesn't exist - using anonymous API. "
. "Generate a Personal Access Token at https://github.com/settings/applications\n";
return '';
}
open my $fh, $file or die "Couldn't open $file: $!";
my ($key) = <$fh> || die "Couldn't read $file: $!";
$key =~ s/^\s+//;
$key =~ s/\s+$//;
die "Invalid GitHub key: $key"
unless $key =~ /^[0-9a-f]{40}$/;
return "$key:x-oauth-basic@";
}
#===================================
sub dump_labels {
#===================================
my $error = shift || '';
if ($error) {
$error = "\nERROR: $error\n";
}
my $labels = join( "\n - ", '', ( sort keys %All_Labels ) );
die <<USAGE
$error
USAGE: $0 version > outfile
Known versions:$labels
USAGE
}
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