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pyenv-exec: no -a
with exec
to keep $PATH with system version (#1169)
Using `exec -a` caused Python to use $PATH to look up the full program name (for
`sys.executable`), which 314937d
then tried to fix by changing $PATH
also for the system version.
This is not necessary anymore when not using the short name with `exec`.
This was rejected upstream
(https://github.com/rbenv/rbenv/pull/1089#issuecomment-394531896), since
it is not a problem with Ruby apparently.
Uses $PYENV_ROOT to check if system version is used.
Fixes https://github.com/pyenv/pyenv/issues/98.
Fixes https://github.com/pyenv/pyenv/issues/789.
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parent
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2 changed files with 41 additions and 4 deletions
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@ -41,7 +41,8 @@ for script in "${scripts[@]}"; do
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done
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shift 1
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# CPython's `sys.executable` requires the `PYENV_BIN_PATH` to be at the top of the `PATH`.
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# https://github.com/pyenv/pyenv/issues/98
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export PATH="${PYENV_BIN_PATH}:${PATH}"
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exec -a "$PYENV_COMMAND" "$PYENV_COMMAND_PATH" "$@"
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if [ "${PYENV_BIN_PATH#${PYENV_ROOT}}" != "${PYENV_BIN_PATH}" ]; then
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# Only add to $PATH for non-system version.
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export PATH="${PYENV_BIN_PATH}:${PATH}"
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fi
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exec "$PYENV_COMMAND_PATH" "$@"
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@ -77,3 +77,39 @@ ${PYENV_ROOT}/versions/3.4/bin/python
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args
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OUT
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}
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@test "sys.executable with system version (#98)" {
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system_python=$(which python)
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PYENV_VERSION="custom"
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create_executable "python" ""
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unset PYENV_VERSION
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pyenv-rehash
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run pyenv-exec python -c 'import sys; print(sys.executable)'
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assert_success "${system_python}"
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}
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@test '$PATH is not modified with system Python' {
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# Create a wrapper executable that verifies PATH.
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PYENV_VERSION="custom"
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create_executable "python" '[[ "$PATH" == "${PYENV_TEST_DIR}/root/versions/custom/bin:"* ]] || { echo "unexpected:$PATH"; exit 2;}'
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unset PYENV_VERSION
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pyenv-rehash
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# Path is not modified with system Python.
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run pyenv-exec python -c 'import os; print(os.getenv("PATH"))'
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assert_success "$PATH"
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# Path is modified with custom Python.
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PYENV_VERSION=custom run pyenv-exec python
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assert_success
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# Path is modified with custom:system Python.
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PYENV_VERSION=custom:system run pyenv-exec python
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assert_success
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# Path is not modified with system:custom Python.
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PYENV_VERSION=system:custom run pyenv-exec python -c 'import os; print(os.getenv("PATH"))'
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assert_success "$PATH"
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}
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