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Commit 1f0b9584 authored by Kyle Lippincott's avatar Kyle Lippincott
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tests: make test-install.t work on debian systems

Debian systems, at least as of their version of python3.8 on my machine, have
rewritten some logic in ensurepip to make it not use the wheels in pip._bundled,
but instead to use wheels installed in /usr/share/python-wheels. It copies these
wheels into the virtual environment when it's created, and installenv/bin/pip is
able to see them and use them, so it thinks that 'wheel' is installed, and that
it can build the mercurial wheel instead of just installing it. For some reason,
when it subprocesses to run `python3 bdist_wheel`, it does
*not* have the 'wheel' wheel available, and we get an error message.

Differential Revision:
parent 53af26aa5951
......@@ -187,6 +187,14 @@ On Python 2, we use the 3rd party virtualenv module, if available.
#if py3 ensurepip
$ "$PYTHON" -m venv installenv >> pip.log
Hack: Debian does something a bit different in ensurepip.bootstrap. This makes
it so that pip thinks the 'wheel' wheel is installed so it can build wheels;
when it goes to try, however, it shells out to run `python3 -u <>`,
that *doesn't* get the 'wheel' wheel, and it fails with an invalid command
'bdist_wheel'. To fix this, we just delete the wheel from where Debian put it in
our virtual env. Then pip doesn't think it's installed and doesn't try to build.
$ rm installenv/share/python-wheels/wheel-*.whl >/dev/null 2>&1 || true
Note: we use this weird path to run pip and hg to avoid platform differences,
since it's bin on most platforms but Scripts on Windows.
$ ./installenv/*/pip install --no-index $TESTDIR/.. >> pip.log
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