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pyenv-version-file-write: do not use rm, but clobber the file
With e.g. /usr/local/bin/.python-version owned by some user, `pyenv local foo` would fail, if the user has no permissions for `/usr/local/bin`, but only the `.python-version` file.
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@ -17,7 +17,8 @@ fi
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pyenv-prefix "${versions[@]}" >/dev/null
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# Write the version out to disk.
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rm -f "$PYENV_VERSION_FILE"
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# Create an empty file. Using "rm" might cause a permission error.
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> "$PYENV_VERSION_FILE"
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for version in "${versions[@]}"; do
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echo "$version" >> "$PYENV_VERSION_FILE"
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done
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