On Tue, Jan 01, 2013 at 09:19:13PM -0800, Junio C Hamano wrote:
> Dan McGee <dan@xxxxxxxxxxxxx> writes:
>
> > A test case snuck in this release that assumes /usr/bin/python is
> > python2 and causes test failures. Unlike all other tests and code
> > depending on python, this one does not respect PYTHON_PATH, which we
> > explicitly set when building git on Arch Linux due to python2 vs
> > python3 differences.
>
> I had an impression that you are not supposed to run our scripts
> with python3 yet (no python scripts have been checked for python3
> compatibility), even though some people have expressed interests in
> doing so.
>
> Eric?
Yeah, but the worrying thing to me is that we are not respecting
PYTHON_PATH. So even if Arch does everything right, it is getting
punished just for having python3 on the system at all.
I think we need to either:
1. Build contrib/svn-fe/svnrdump_sim.py into svnrdump using our normal
build procedure, which handles $PYTHON_PATH (right now we seem to
just symlink[1] it into place as svnrdump during the test script
run).
2. Create svnrdump as a shell script in the test suite to do something
like[2]:
$PYTHON_PATH "$TEST_DIRECTORY"/../contrib/svn-fe/svnrdump_sim.py
-Peff
[1] This symlink is doubly wrong, because any use of symbolic links
in the test scripts needs to depend on the SYMLINKS prereq, and this
does not.
[2] In both the current code and what I showed above, the test scripts
depend on things in contrib/. This is probably a bad idea in
general, as the quality of what goes into contrib is not as closely
watched (especially with respect to things like portability).
Certainly I would not have known to look more carefully at a patch
to contrib/svn-fe for breakage to the test suite.
FWIW, we also have this situation with t9902 (bash completion),
though the dependency is a little more obvious there. It might be
worth promoting bash completion out of contrib (or alternatively,
demoting t9902 into contrib/completion/, possibly with a feature to
make it easier to run tests out of contrib).
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