From 90f359d8af92cc32a2ec77ffe436c40d08041dc7 Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Thu, 12 Feb 2015 06:16:13 +0100
Subject: [PATCH] browser: drop downloading feature from mkcaniuse

---
 tools/mkcaniuse | 46 +++++++---------------------------------------
 1 file changed, 7 insertions(+), 39 deletions(-)

diff --git a/tools/mkcaniuse b/tools/mkcaniuse
index 3def627..d0cb827 100755
--- a/tools/mkcaniuse
+++ b/tools/mkcaniuse
@@ -5,42 +5,10 @@ use warnings;
 
 use Data::Dump 'pp';
 use JSON;
+use File::stat;
+use Time::Piece;
 
-if (@ARGV) {
-	require Time::Piece;
-	require LWP::UserAgent;
-	require File::stat;
-
-	my $target = 'browser-support.inc.pl';
-	my $source = 'http://caniuse.com/data.json';
-
-	my $ua = LWP::UserAgent->new;
-	$ua->agent('sheet.shiar.nl/browser');
-	$ua->default_header('If-Modified-Since' => scalar gmtime $_->mtime)
-		for File::stat::stat($target);
-
-	my $res = $ua->get($source) or die "No data from $source\n";
-	!$res->is_error or die $res->status_line;
-	say $res->status_line;
-
-	exit 0 if $res->code == 304;  # unmodified
-
-	my $data = decode_json($res->decoded_content) or die "Parse error: $!";
-	my $updated = eval {
-		s/ GMT$//,
-		return Time::Piece->strptime($_) for $res->header('Last-Modified')
-	};
-	$data->{-date} = $_->datetime for $updated || ();
-
-	my $suffix = $updated && $updated->ymd || time;
-	open my $save, '>', (my $download = "browser-support-$suffix.inc.pl");
-	print {$save} pp($data);
-	close $save;
-
-	symlink $download, "$target.new" and rename "$target.new", $target
-		or die "New data at $download not linked: $!";
-	exit 0;
-}
+our $VERSION = '1.01';
 
 local $/;  # slurp
 my $source = readline;
@@ -69,6 +37,9 @@ my $data = from_json($source, {
 	allow_singlequote => 1,
 	allow_barekey => 1,
 });
+my $update = eval { stat(${^LAST_FH} // $ARGV)->mtime }
+	or warn "Could not determine input time\n";
+$data->{-date} = Time::Piece->new($update)->datetime;
 
 print pp($data);
 
@@ -80,8 +51,5 @@ mkcaniuse - Turn Javascript data into an equivalent Perl structure
 
 =head1 SYNOPSIS
 
-	curl http://caniuse.com/data.json |
-	tools/mkcaniuse.pl > browser-support.inc.pl
-
-	tools/mkcaniuse.pl auto
+	tools/mkcaniuse data.json >browser-support.inc.pl
 
-- 
2.30.0