From ebf5c289882d7128e71a91e0a5bd90c1e8e90464 Mon Sep 17 00:00:00 2001
From: Luke Dashjr <luke-jr+git@utopios.org>
Date: Wed, 3 Feb 2016 21:47:48 +0000
Subject: Travis: Initial formatting tests

---
 .travis.yml           |   7 +++
 scripts/buildtable.pl | 136 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 143 insertions(+)
 create mode 100644 .travis.yml
 create mode 100755 scripts/buildtable.pl

diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..ed99de0
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,7 @@
+os: linux
+language: generic
+sudo: false
+script:
+    - scripts/buildtable.pl >/tmp/table.mediawiki || exit 1
+    - diff README.mediawiki /tmp/table.mediawiki | grep '^[<>] |' >/tmp/after.diff || true
+    - if git checkout HEAD^ && scripts/buildtable.pl >/tmp/table.mediawiki 2>/dev/null; then diff README.mediawiki /tmp/table.mediawiki | grep '^[<>] |' >/tmp/before.diff || true; newdiff=$(diff -s /tmp/before.diff /tmp/after.diff -u | grep '^+'); if [ -n "$newdiff" ]; then echo "$newdiff"; exit 1; fi; else echo 'Cannot build previous commit table for comparison'; fi
diff --git a/scripts/buildtable.pl b/scripts/buildtable.pl
new file mode 100755
index 0000000..568b8eb
--- /dev/null
+++ b/scripts/buildtable.pl
@@ -0,0 +1,136 @@
+#!/usr/bin/perl
+use strict;
+use warnings;
+
+my $topbip = 9999;
+
+my %RequiredFields = (
+	BIP => undef,
+	Title => undef,
+	Author => undef,
+	Status => undef,
+	Type => undef,
+	Created => undef,
+);
+my %MayHaveMulti = (
+	Author => undef,
+	'Post-History' => undef,
+);
+my %DateField = (
+	Created => undef,
+);
+my %EmailField = (
+	Author => undef,
+	Editor => undef,
+);
+my %MiscField = (
+	'Post-History' => undef,
+);
+
+my %ValidLayer = (
+	Process => undef,
+);
+my %ValidStatus = (
+	Draft => undef,
+	Deferred => undef,
+	Accepted => "background-color: #ffffcf",
+	Rejected => "background-color: #ffcfcf",
+	Withdrawn => "background-color: #ffcfcf",
+	Final => "background-color: #cfffcf",
+	Active => "background-color: #cfffcf",
+	Replaced => "background-color: #ffcfcf",
+);
+my %ValidType = (
+	'Standards Track' => 'Standard',
+	'Informational' => undef,
+	'Process' => undef,
+);
+
+my %emails;
+
+my $bipnum = 0;
+while (++$bipnum <= $topbip) {
+	my $fn = sprintf "bip-%04d.mediawiki", $bipnum;
+	-e $fn || next;
+	open my $F, "<$fn";
+	while (<$F> !~ m[^(?:\xef\xbb\xbf)?<pre>$]) {
+			die "No <pre> in $fn" if eof $F;
+	}
+	my %found;
+	my ($title, $author, $status, $type);
+	my ($field, $val);
+	while (<$F>) {
+		m[^</pre>$] && last;
+		if (m[^  ([\w-]+)\: (.*\S)$]) {
+			$field = $1;
+			$val = $2;
+			die "Duplicate $field field in $fn" if exists $found{$field};
+		} elsif (m[^  ( +)(.*\S)$]) {
+			die "Continuation of non-field in $fn" unless defined $field;
+			die "Too many spaces in $fn" if length $1 != 2 + length $field;
+			die "Not allowed for multi-value in $fn" unless exists $MayHaveMulti{$field};
+			$val = $2;
+		} else {
+			die "Bad line in $fn preamble";
+		}
+		++$found{$field};
+		die "Extra spaces in $fn" if $val =~ /^\s/;
+		if ($field eq 'BIP') {
+			die "$fn claims to be BIP $val" if $val ne $bipnum;
+		} elsif ($field eq 'Title') {
+			$title = $val;
+		} elsif ($field eq 'Author') {
+			$val =~ m/^(\S[^<@>]*\S) \<([^@>]*\@[\w.]+\.\w+)\>$/ or die "Malformed Author line in $fn";
+			my ($authorname, $authoremail) = ($1, $2);
+			$authoremail =~ s/(?<=\D)$bipnum(?=\D)/<BIPNUM>/g;
+			$emails{$authorname}->{$authoremail} = undef;
+			if (defined $author) {
+				$author .= ", $authorname";
+			} else {
+				$author = $authorname;
+			}
+		} elsif ($field eq 'Status') {
+			if ($bipnum == 38) {  # HACK
+				$val =~ s/\s+\(.*\)$//;
+			}
+			die "Invalid status in $fn" unless exists $ValidStatus{$val};
+			$status = $val;
+		} elsif ($field eq 'Type') {
+			die "Invalid type in $fn" unless exists $ValidType{$val};
+			if (defined $ValidType{$val}) {
+				$type = $ValidType{$val};
+			} else {
+				$type = $val;
+			}
+		} elsif ($field eq 'Layer') {  # BIP 123
+			die "Invalid layer $val in $fn" unless exists $ValidLayer{$val};
+		} elsif (exists $DateField{$field}) {
+			die "Invalid date format in $fn" unless $val =~ /^20\d{2}\-(?:0\d|1[012])\-(?:[012]\d|30|31)$/;
+		} elsif (exists $EmailField{$field}) {
+			$val =~ m/^(\S[^<@>]*\S) \<[^@>]*\@[\w.]+\.\w+\>$/ or die "Malformed $field line in $fn";
+		} elsif (not exists $MiscField{$field}) {
+			die "Unknown field $field in $fn";
+		}
+	}
+	for my $field (keys %RequiredFields) {
+		die "Missing $field in $fn" unless $found{$field};
+	}
+	print "|-";
+	if (defined $ValidStatus{$status}) {
+		print " style=\"" . $ValidStatus{$status} . "\"";
+	}
+	print "\n";
+	print "| [[${fn}|${bipnum}]]\n";
+	print "| ${title}\n";
+	print "| ${author}\n";
+	print "| ${type}\n";
+	print "| ${status}\n";
+	close $F;
+}
+
+for my $author (sort keys %emails) {
+	my @emails = sort keys %{$emails{$author}};
+	my $email_count = @emails;
+	next unless $email_count > 1;
+	warn "NOTE: $author has $email_count email addresses: @emails\n";
+}
-- 
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