tests: fix PYTHONPATH manipulation on Windows Without the semicolon separator and quotes, the variables ends up like this: c:\Users\Matt\projects\hg-evolve:c:\Users\Matt\projects\hg-evolve: c:\Users\Matt\projects\hg;c:\Users\Matt\projects\hg-evolve\tests; c:\Users\Matt\projects\hg\tests That in turn makes the local evolve code unreachable, and the system installed code is tested instead. I'm testing against `uname` instead of a trivial python script printing os.name because maybe one day tests will run on WSL.

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# utility to setup pythonpath to point into the tested repository

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export SRCDIR="`dirname $TESTDIR`"

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if [ -n "$PYTHONPATH" ]; then

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    export HGTEST_ORIG_PYTHONPATH=$PYTHONPATH

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    osname="`uname -o`"

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    if (uname -o | grep -q Msys); then

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        export PYTHONPATH="$SRCDIR;$PYTHONPATH"

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    else

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        export PYTHONPATH=$SRCDIR:$PYTHONPATH

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    fi

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else

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    export PYTHONPATH=$SRCDIR

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fi