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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;
my $Base_URL = 'https://api.github.com/repos/';
my $User_Repo = 'elasticsearch/elasticsearch/';
my $Issue_URL = "http://github.com/${User_Repo}issues/issue/";
my @Groups = qw(breaking feature enhancement bug regression doc test);
my %Group_Labels = (
breaking => 'Breaking changes',
doc => 'Docs',
feature => 'New features',
enhancement => 'Enhancements',
bug => 'Bug fixes',
regression => 'Regression',
test => 'Tests',
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 $format = shift @ARGV || "html";
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;
for my $group ( @Groups, 'other' ) {
my $group_issues = $issues->{$group} or next;
$format eq 'html' and print "<h2>$Group_Labels{$group}</h2>\n\n<ul>\n";
$format eq 'markdown' and print "## $Group_Labels{$group}\n\n";
for my $header ( sort keys %$group_issues ) {
my $header_issues = $group_issues->{$header};
my $prefix = "<li>";
if ($format eq 'html') {
if ( $header && @$header_issues > 1 ) {
print "<li>$header:<ul>";
$prefix = "<li>";
}
elsif ($header) {
$prefix = "<li>$header: ";
}
}
for my $issue (@$header_issues) {
my $title = $issue->{title};
if ( $issue->{state} eq 'open' ) {
$title .= " [OPEN]";
}
my $number = $issue->{number};
$format eq 'markdown' and print encode_utf8( "* "
. $title
. qq( [#$number](${Issue_URL}${number})\n)
);
$format eq 'html' and print encode_utf8( $prefix
. $title
. qq[ <a href="${Issue_URL}${number}">#${number}</a></li>\n]
);
}
if ($format eq 'html' && $header && @$header_issues > 1 ) {
print "</li></ul></li>\n";
}
}
$format eq 'html' and print "</ul>";
print "\n\n"
}
}
#===================================
sub fetch_issues {
#===================================
my $version = shift;
my @issues;
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'";
last unless @$tranche;
push @issues, @$tranche;
$page++;
}
}
my %group;
ISSUE:
for my $issue (@issues) {
my %labels = map { $_->{name} => 1 } @{ $issue->{labels} };
my $header = $issue->{title} =~ s/^([^:]+):\s+// ? $1 : '';
for (@Groups) {
if ( $labels{$_} ) {
push @{ $group{$_}{$header} }, $issue;
next ISSUE;
}
}
push @{ $group{other}{$header} }, $issue;
}
return \%group;
}
#===================================
sub fetch_labels {
#===================================
my $labels = fetch( $User_Repo . 'labels' )
or die "Couldn't retrieve version labels";
return map { $_ => 1 } grep {/^v/} map { $_->{name} } @$labels;
}
#===================================
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 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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