Merge branch 'ps/test-wo-perl-prereq'

"make test" used to have a hard dependency on (basic) Perl; tests
have been rewritten help environment with NO_PERL test the build as
much as possible.

* ps/test-wo-perl-prereq:
  t5703: refactor test to not depend on Perl
  t5316: refactor `max_chain()` to not depend on Perl
  t0210: refactor trace2 scrubbing to not use Perl
  t0021: refactor `generate_random_characters()` to not depend on Perl
  t/lib-httpd: refactor "one-time-perl" CGI script to not depend on Perl
  t/lib-t6000: refactor `name_from_description()` to not depend on Perl
  t/lib-gpg: refactor `sanitize_pgp()` to not depend on Perl
  t: refactor tests depending on Perl for textconv scripts
  t: refactor tests depending on Perl to print data
  t: refactor tests depending on Perl substitution operator
  t: refactor tests depending on Perl transliteration operator
  Makefile: stop requiring Perl when running tests
  meson: stop requiring Perl when tests are enabled
  t: adapt existing PERL prerequisites
  t: introduce PERL_TEST_HELPERS prerequisite
  t: adapt `test_readlink()` to not use Perl
  t: adapt `test_copy_bytes()` to not use Perl
  t: adapt character translation helpers to not use Perl
  t: refactor environment sanitization to not use Perl
  t: skip chain lint when PERL_PATH is unset

1 files changed, 13 insertions, 0 deletions

diff --git a/t/helper/test-path-utils.c b/t/helper/test-path-utils.c
index f3c59e5028..086238c826 100644
--- a/t/helper/test-path-utils.c
+++ b/t/helper/test-path-utils.c
@@ -323,6 +323,19 @@ int cmd__path_utils(int argc, const char **argv)
 		return 0;
 	}
 
+	if (argc >= 2 && !strcmp(argv[1], "readlink")) {
+		struct strbuf target = STRBUF_INIT;
+		while (argc > 2) {
+			if (strbuf_readlink(&target, argv[2], 0) < 0)
+				die_errno("cannot read link at '%s'", argv[2]);
+			puts(target.buf);
+			argc--;
+			argv++;
+		}
+		strbuf_release(&target);
+		return 0;
+	}
+
 	if (argc >= 2 && !strcmp(argv[1], "absolute_path")) {
 		while (argc > 2) {
 			puts(absolute_path(argv[2]));