From fbea575a49e483e5e124f1b0767730accc97227f Mon Sep 17 00:00:00 2001
From: Síle Ekaterin Liszka <sheila@vulpine.house>
Date: Mon, 3 Jun 2024 01:20:24 +0000
Subject: scripts/cargo.pl: enhancements.

---
 scripts/cargo.pl | 31 +++++++++++++++++++++----------
 1 file changed, 21 insertions(+), 10 deletions(-)

diff --git a/scripts/cargo.pl b/scripts/cargo.pl
index 54d716e47..93e365620 100755
--- a/scripts/cargo.pl
+++ b/scripts/cargo.pl
@@ -2,7 +2,7 @@
 
 use strict;
 use warnings;
-use feature qw(:5.22);
+use feature qw(:5.34);
 
 open my $cargo, '<', $ARGV[0] or die "can't open $ARGV[0]: $!\n";
 my $data = '';
@@ -12,21 +12,32 @@ my $data = '';
 	$data = <$cargo>;
 }
 
-my $name = '';
-my %cargo = ();
-my @lines = split /\r?\n/, $data;
+my @lines = split /(\r?\n){2,}/, $data;
+my @cargo;
 
 # Parse the file; we just want the name and version.
 foreach my $line (@lines) {
-	if ($line =~ /^name = "(.*?)"$/) {
-		$name = $1;
-	} elsif ($line =~ /^version = "(.*?)"$/) {
-		$cargo{$name} = $1;
+	$line =~ /^name = "(.*?)"$/m;
+	my $name = $1;
+	next unless defined($name);
+
+	$line =~ /^version = "(.*?)"$/m;
+	my $version = $1;
+	next unless defined($version);
+
+	next unless $line =~ /^source /m;
+	$line =~ /^source = "(.*?)"$/m;
+	my $source = $1;
+	next unless defined($source);
+
+	if ($source ne 'registry+https://github.com/rust-lang/crates.io-index') {
+		warn "Warning: $name lacks a supported registry.\n";
 	}
+	push @cargo, "$name $version";
 }
 
 open my $file, '>', 'crates.txt' or die "can't open output file: $!\n";
 # Print the data we pulled out above to a file.
-foreach my $pkg (keys %cargo) {
-	say $file $pkg . ' ' . $cargo{$pkg};
+foreach my $pkg (sort @cargo) {
+	say $file $pkg;
 }
-- 
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