From 5a39fc4ba9d811b36665413bdb6ea91099e3017f Mon Sep 17 00:00:00 2001
From: Wilson Snyder <wsnyder@wsnyder.org>
Date: Fri, 20 Jan 2023 20:42:46 -0500
Subject: [PATCH] Tests: Add t_dist_copyright.pl

---
 test_regress/t/t_dist_copyright.pl | 104 +++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100755 test_regress/t/t_dist_copyright.pl

diff --git a/test_regress/t/t_dist_copyright.pl b/test_regress/t/t_dist_copyright.pl
new file mode 100755
index 000000000..e69ddb798
--- /dev/null
+++ b/test_regress/t/t_dist_copyright.pl
@@ -0,0 +1,104 @@
+#!/usr/bin/env perl
+if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
+# DESCRIPTION: Verilator: Verilog Test driver/expect definition
+#
+# Copyright 2003 by Wilson Snyder. This program is free software; you
+# can redistribute it and/or modify it under the terms of either the GNU
+# Lesser General Public License Version 3 or the Perl Artistic License
+# Version 2.0.
+# SPDX-License-Identifier: LGPL-3.0-only OR Artistic-2.0
+
+use IO::File;
+use POSIX qw(strftime);
+use strict;
+
+scenarios(dist => 1);
+
+our $Release_Ok_Re = qr!(^test_regress/t/|^examples/)!;
+our $Exempt_Author_Re = qr!(^ci/|^nodist/fastcov.py|^nodist/fuzzer|^test_regress/t/.*\.(v|cpp|h)$)!;
+our $Exempt_Files_Re = qr!(^\.|/\.|\.gitignore$|\.dat|\.gprof|\.mem|\.out$|\.png$|\.tree|\.vc$|\.vcd$|^\.)!;
+our @Exempt_Files_List = qw(
+    Artistic
+    CPPLINT.cfg
+    LICENSE
+    README.rst
+    ci/ci-win-compile.ps1
+    ci/ci-win-test.ps1
+    ci/coverage-upload.sh
+    docs/CONTRIBUTING.rst
+    docs/CONTRIBUTORS
+    docs/_static
+    docs/gen
+    docs/spelling.txt
+    docs/verilated.dox
+    include/gtkwave
+    include/vltstd
+    install-sh
+    src/mkinstalldirs
+    test_regress/t/t_altera_lpm.v
+    test_regress/t/t_flag_f__3.v
+    test_regress/t/t_fuzz_eof_bad.v
+    test_regress/t/t_incr_void.v
+    test_regress/t/t_timing_trace_fst.pl
+    test_regress/t/t_wrapper_context.pl
+    test_regress/t/t_wrapper_context_fst.pl
+    test_regress/t/t_wrapper_context_seq.pl
+    test_regress/t/t_wrapper_del_context_bad.pl
+    test_regress/t/tsub/t_flag_f_tsub.v
+    test_regress/t/tsub/t_flag_f_tsub_inc.v
+    verilator.pc.in
+    );
+
+my $root = "..";
+my $Debug;
+
+my $Exempt_Files_List_Re = '^(' . join('|', (map { quotemeta $_ } @Exempt_Files_List)) . ")";
+
+if (!-r "$root/.git") {
+    skip("Not in a git repository");
+} else {
+    my $files = `cd $root && git ls-files --exclude-standard`;
+    my $year = strftime("%Y", localtime);
+
+    $files =~ s/\s+/ /g;
+    foreach my $filename (split /\s+/, $files) {
+        next if $filename =~ /$Exempt_Files_Re/;
+        next if $filename =~ /$Exempt_Files_List_Re/;
+        my $fh = IO::File->new("<$root/$filename") or error("$! $filename");
+        my $spdx;
+        my $copyright;
+        my $release;
+        while (my $line = $fh->getline) {
+            if ($line =~ /SPDX-License-Identifier:/) {
+                $spdx = $line;
+            } elsif ($line =~ /Copyright 20[0-9][0-9]/) {
+                $copyright = $line;
+                if ($line !~ /Wilson Snyder|Geza Lore/
+                    && !($filename =~ /test_regress/ && $line =~ /Antmicro|Todd Strader/)) {
+                    my $yeardash = ($filename =~ m!test_regress/t!) ? $year : $year."-".$year;
+                    if ($filename !~ /$Exempt_Author_Re/) {
+                        warn "   ".$copyright;
+                        error("$filename: Please use standard 'Copyright $yeardash by Wilson Snyder'");
+                    }
+                }
+            } elsif ($line =~ m!Creative Commons Public Domain!
+                     || $line =~ m!freely copied and/or distributed!
+                     || $line =~ m!placed into the Public Domain!) {
+                $release = 1;
+            }
+        }
+        my $release_note;
+        if ($release && $filename !~ /$Release_Ok_Re/) {
+            $release_note = " (has copyright release, but not part of $Release_Ok_Re)";
+        }
+        if (!$copyright && (!$release || $release_note)) {
+            error("$filename: Please add standard 'Copyright $year ...', similar to in other files" . $release_note);
+        }
+        if (!$spdx) {
+            error("$filename: Please add standard 'SPDX-License_Identifier: ...', similar to in other files");
+        }
+    }
+}
+
+ok(1);
+1;