run-tests: fix --blacklist with jobs > 1
filter blacklisted tests before partitioning them
to the children.
maintains the 'Skipped...' output but not the 's'.
[ original upstream message ]
Patrick Mezard <pmezard@gmail.com> [Wed, 18 May 2011 23:48:13 +0200] rev 953
patch: set desired mode when patching, not in updatedir()
This patch and the following aim at merging _updatedir() actions into
_applydiff().
[ original upstream message ]