2012-08-31 02:23:41 -04:00
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#!/usr/bin/env bash
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2013-01-18 03:41:41 -05:00
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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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2012-08-31 02:23:41 -04:00
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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 [ "$1" = "--complete" ]; then
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echo --unset
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echo system
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exec pyenv-versions --bare
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fi
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2012-09-07 06:16:42 -04:00
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versions=("$@")
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2013-12-25 23:48:43 -05:00
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shell="$(basename "${PYENV_SHELL:-$SHELL}")"
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2012-08-31 02:23:41 -04:00
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2012-09-07 06:16:42 -04:00
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if [ -z "$versions" ]; then
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2012-08-31 06:39:29 -04:00
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if [ -z "$PYENV_VERSION" ]; then
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2012-08-31 02:23:41 -04:00
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echo "pyenv: no shell-specific version configured" >&2
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exit 1
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else
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2012-08-31 07:12:26 -04:00
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echo "echo \"\$PYENV_VERSION\""
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2012-08-31 02:23:41 -04:00
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exit
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fi
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fi
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2012-09-07 06:16:42 -04:00
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if [ "$versions" = "--unset" ]; then
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2013-09-30 05:02:12 -04:00
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case "$shell" in
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fish )
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echo "set -e PYENV_VERSION"
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;;
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* )
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echo "unset PYENV_VERSION"
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;;
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esac
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2013-01-18 04:57:08 -05:00
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exit
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2012-08-31 02:23:41 -04:00
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fi
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# Make sure the specified version is installed.
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2013-01-27 22:53:18 -05:00
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if pyenv-prefix "${versions[@]}" >/dev/null; then
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2013-08-15 09:29:14 -04:00
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OLDIFS="$IFS"
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2014-01-02 08:26:22 -05:00
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IFS=: version="${versions[*]}"
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2013-08-15 09:29:14 -04:00
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IFS="$OLDIFS"
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2013-09-30 05:02:12 -04:00
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case "$shell" in
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fish )
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2014-01-02 08:26:22 -05:00
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echo "setenv PYENV_VERSION \"${version}\""
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2013-09-30 05:02:12 -04:00
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;;
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* )
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2014-01-02 08:26:22 -05:00
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echo "export PYENV_VERSION=\"${version}\""
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2013-09-30 05:02:12 -04:00
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;;
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esac
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2013-01-18 04:57:08 -05:00
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else
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2013-09-30 05:02:12 -04:00
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echo "false"
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2013-01-18 04:57:08 -05:00
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exit 1
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fi
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