Merge branch 'ra/t5150-depends-on-perl'

Some Porcelain commands are written in Perl, and tests on them are
expected not to work when the platform lacks a working perl.

* ra/t5150-depends-on-perl:
  t5150: skip request-pull test if Perl is disabled

t/t5150-request-pull.sh

@@ -4,6 +4,12 @@ test_description='Test workflows involving pull request.'
 
 . ./test-lib.sh
 
+if ! test_have_prereq PERL
+then
+	skip_all='skipping request-pull tests, perl not available'
+	test_done
+fi
+
 test_expect_success 'setup' '
 
 	git init --bare upstream.git &&