tests: add some commentary and diagnostics to test-run-tests.t
Hopefully this will give us a shot at fixing it on the Windows builder.
Differential Revision: https://phab.mercurial-scm.org/D1653
--- a/tests/test-run-tests.t Sun Dec 10 21:57:37 2017 -0800
+++ b/tests/test-run-tests.t Mon Dec 11 09:37:11 2017 -0500
@@ -1214,7 +1214,12 @@
> #else
> $ test "\$TESTDIR" = "$TESTTMP"/anothertests
> #endif
- > $ test "\$RUNTESTDIR" = "$TESTDIR"
+ > If this prints a path, that means RUNTESTDIR didn't equal
+ > TESTDIR as it should have.
+ > $ test "\$RUNTESTDIR" = "$TESTDIR" || echo "\$RUNTESTDIR"
+ > This should print the start of check-code. If this passes but the
+ > previous check failed, that means we found a copy of check-code at whatever
+ > RUNTESTSDIR ended up containing, even though it doesn't match TESTDIR.
> $ head -n 3 "\$RUNTESTDIR"/../contrib/check-code.py | sed 's@.!.*python@#!USRBINENVPY@'
> #!USRBINENVPY
> #