run-tests: make _processoutput picky about optional globs
1ad0ddf8cccc enabled lines that were not matched to be found later in cases of jitter.
Unfortunately, in this model an optional line would always jitter to the end when
it is not present. That is not ideal.
It would be possible to do better, by queuing all writes until the end in case
an optional line jitters, but for now, it is simpler to assume optional lines
have a fixed place in the stream.
py3: convert hghave output to text
Before this, Python3 generated:
b'skipped: unknown feature: not-py3k\n'
py3: convert prereq bytes to string in run-tests
Without this, run-tests would generate:
WARNING: Did not find prerequisite tool: b'python3.5'
record: deprecate the extension
The feature has been moved into core behind the -i flag. We can safely
deprecated the extension and point people at the --interactive flag in core.