journal: take wlock for writting the 'shared' file
As we did for the shared extension itself, we add some locking around the write
of the 'shared' file.
Put here definitions of blacklists for run-tests.py
Create a file per blacklist. Each file should list the names of tests that you
want to be skipped.
File names are meant to be used as targets for run-tests.py --blacklist
option.
Lines starting with # are ignored. White spaces are stripped.
e.g. if you create a blacklist/example file containing:
test-hgrc
# some comment
test-help
then calling "run-tests.py --blacklist blacklists/example" will exclude
test-hgrc and test-help from the list of tests to run.