mirror of
https://github.com/pyenv/pyenv-virtualenv.git
synced 2025-11-12 05:23:53 -05:00
c6ff093344
When a fish login shell is invoked within an existing login shell, avoid duplicating path to the shims by removing existing occurrences before prepending.
162 lines
3.0 KiB
Bash
Executable File
162 lines
3.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Summary: Configure the shell environment for pyenv-virtualenv
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# Usage: eval "$(pyenv virtualenv-init - [<shell>])"
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#
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# Automatically activates a Python virtualenv environment based on current
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# pyenv version.
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#
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set -e
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[ -n "$PYENV_DEBUG" ] && set -x
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resolve_link() {
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$(type -p greadlink readlink | head -1) "$1"
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}
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abs_dirname() {
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local cwd="$(pwd)"
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local path="$1"
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while [ -n "$path" ]; do
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cd "${path%/*}"
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local name="${path##*/}"
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path="$(resolve_link "$name" || true)"
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done
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pwd
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cd "$cwd"
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}
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PYENV_VIRTUALENV_INSTALL_PREFIX="$(dirname "$(abs_dirname "$0")")"
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print=""
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for args in "$@"
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do
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if [ "$args" = "-" ]; then
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print=1
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shift
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fi
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done
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shell="${1:-$PYENV_SHELL}"
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if [ -z "$shell" ]; then
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shell="$(ps -p "$PPID" -o 'args=' 2>/dev/null || true)"
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shell="${shell##-}"
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shell="${shell%% *}"
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shell="${shell:-$SHELL}"
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shell="${shell##*/}"
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fi
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if [ -z "$print" ]; then
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case "$shell" in
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bash )
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profile='~/.bashrc'
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;;
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zsh )
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profile='~/.zshrc'
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;;
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ksh )
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profile='~/.profile'
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;;
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fish )
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profile='~/.config/fish/config.fish'
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;;
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* )
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profile='your profile'
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;;
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esac
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{ echo "# Load pyenv-virtualenv automatically by adding"
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echo "# the following to ${profile}:"
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echo
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case "$shell" in
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fish )
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echo 'status --is-interactive; and source (pyenv virtualenv-init -|psub)'
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;;
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* )
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echo 'eval "$(pyenv virtualenv-init -)"'
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;;
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esac
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echo
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} >&2
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exit 1
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fi
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case "$shell" in
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fish )
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cat <<EOS
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while set index (contains -i -- "${PYENV_VIRTUALENV_ROOT:-${PYENV_VIRTUALENV_INSTALL_PREFIX}}/shims" \$PATH)
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set -eg PATH[\$index]; end; set -e index
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set -gx PATH '${PYENV_VIRTUALENV_ROOT:-${PYENV_VIRTUALENV_INSTALL_PREFIX}}/shims' \$PATH;
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set -gx PYENV_VIRTUALENV_INIT 1;
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EOS
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;;
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* )
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cat <<EOS
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export PATH="${PYENV_VIRTUALENV_ROOT:-${PYENV_VIRTUALENV_INSTALL_PREFIX}}/shims:\${PATH}";
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export PYENV_VIRTUALENV_INIT=1;
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EOS
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;;
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esac
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case "$shell" in
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fish )
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cat <<EOS
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function _pyenv_virtualenv_hook --on-event fish_prompt;
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set -l ret \$status
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if [ -n "\$VIRTUAL_ENV" ]
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pyenv activate --quiet; or pyenv deactivate --quiet; or true
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else
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pyenv activate --quiet; or true
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end
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return \$ret
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end
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EOS
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;;
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ksh )
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cat <<EOS
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function _pyenv_virtualenv_hook() {
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EOS
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;;
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* )
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cat <<EOS
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_pyenv_virtualenv_hook() {
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EOS
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;;
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esac
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if [[ "$shell" != "fish" ]]; then
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cat <<EOS
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local ret=\$?
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if [ -n "\$VIRTUAL_ENV" ]; then
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eval "\$(pyenv sh-activate --quiet || pyenv sh-deactivate --quiet || true)" || true
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else
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eval "\$(pyenv sh-activate --quiet || true)" || true
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fi
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return \$ret
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};
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EOS
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case "$shell" in
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bash )
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cat <<EOS
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if ! [[ "\$PROMPT_COMMAND" =~ _pyenv_virtualenv_hook ]]; then
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PROMPT_COMMAND="_pyenv_virtualenv_hook;\$PROMPT_COMMAND";
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fi
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EOS
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;;
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zsh )
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cat <<EOS
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typeset -g -a precmd_functions
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if [[ -z \$precmd_functions[(r)_pyenv_virtualenv_hook] ]]; then
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precmd_functions=(_pyenv_virtualenv_hook \$precmd_functions);
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fi
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EOS
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;;
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* )
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# FIXME: what should i do here??
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;;
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esac
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fi
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