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67 lines
1.5 KiB
Bash
Executable file
67 lines
1.5 KiB
Bash
Executable file
#!/usr/bin/env bash
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#
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# Summary: Set or show the shell-specific Python version
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#
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# Usage: pyenv shell <version>
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# pyenv shell --unset
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#
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# Sets a shell-specific Python version by setting the `PYENV_VERSION'
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# environment variable in your shell. This version overrides local
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# application-specific versions and the global version.
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#
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# <version> should be a string matching a Python version known to pyenv.
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# The special version string `system' will use your default system Python.
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# Run `pyenv versions' for a list of available Python versions.
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set -e
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[ -n "$PYENV_DEBUG" ] && set -x
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# Provide pyenv completions
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if [ "$1" = "--complete" ]; then
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echo --unset
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echo system
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exec pyenv-versions --bare
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fi
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versions=("$@")
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shell="$(basename "${PYENV_SHELL:-$SHELL}")"
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if [ -z "$versions" ]; then
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if [ -z "$PYENV_VERSION" ]; then
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echo "pyenv: no shell-specific version configured" >&2
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exit 1
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else
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echo "echo \"\$PYENV_VERSION\""
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exit
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fi
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fi
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if [ "$versions" = "--unset" ]; then
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case "$shell" in
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fish )
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echo "set -e PYENV_VERSION"
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;;
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* )
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echo "unset PYENV_VERSION"
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;;
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esac
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exit
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fi
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# Make sure the specified version is installed.
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if pyenv-prefix "${versions[@]}" >/dev/null; then
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OLDIFS="$IFS"
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IFS=: PYENV_VERSION="${versions[*]}"
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IFS="$OLDIFS"
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case "$shell" in
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fish )
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echo "setenv PYENV_VERSION \"${PYENV_VERSION}\""
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;;
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* )
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echo "export PYENV_VERSION=\"${PYENV_VERSION}\""
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;;
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esac
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else
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echo "false"
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exit 1
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fi
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