run-tests: make coverage work out of tree
Currently coverage fails when run on an out-of-tree extension since
run-tests.py tries to load sitecustomize.py from self._testdir, which is the
dir for the extension's tests.
Differential Revision: https://phab.mercurial-scm.org/D6960
--- a/tests/run-tests.py Thu Oct 03 13:18:15 2019 -0700
+++ b/tests/run-tests.py Fri Oct 04 18:18:38 2019 +0100
@@ -3170,7 +3170,7 @@
print('WARNING: cannot fix hg.bat reference to python.exe')
if self.options.anycoverage:
- custom = os.path.join(self._testdir, 'sitecustomize.py')
+ custom = os.path.join(osenvironb[b'RUNTESTDIR'], 'sitecustomize.py')
target = os.path.join(self._pythondir, 'sitecustomize.py')
vlog('# Installing coverage trigger to %s' % target)
shutil.copyfile(custom, target)