Merge branch 'ps/meson-tap-parse'

Meson-based build/test framework now understands TAP output
generated by our tests.

* ps/meson-tap-parse:
  meson: parse TAP output generated by our tests
  meson: introduce kwargs variable for tests
  test-lib: fail on unexpectedly passing tests
  t7815: fix unexpectedly passing test on macOS
  t/test-lib: fix TAP format for BASH_XTRACEFD warning
  t/test-lib: don't print shell traces to stdout
  t983*: use prereq to check for Python-specific git-p4(1) support
  t9822: use prereq to check for ISO-8859-1 support
  t: silence output from `test_create_repo()`
  t: stop announcing prereqs

meson.build

@@ -2054,6 +2054,18 @@ subdir('templates')
 # can properly set up test dependencies. The bin-wrappers themselves are set up
 # at configuration time, so these are fine.
 if get_option('tests')
+  test_kwargs = {
+    'timeout': 0,
+  }
+
+  # The TAP protocol was already understood by previous versions of Meson, but
+  # it was incompatible with the `meson test --interactive` flag.
+  if meson.version().version_compare('>=1.8.0')
+    test_kwargs += {
+      'protocol': 'tap',
+    }
+  endif
+
   subdir('t')
 endif