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Editing: activate.fish
# This file must be used with "source <venv>/bin/activate.fish" *from fish* # (https://fishshell.com/); you cannot run it directly. function deactivate -d "Exit virtual environment and return to normal shell environment" # reset old environment variables if test -n "$_OLD_VIRTUAL_PATH" set -gx PATH $_OLD_VIRTUAL_PATH set -e _OLD_VIRTUAL_PATH end if test -n "$_OLD_VIRTUAL_PYTHONHOME" set -gx PYTHONHOME $_OLD_VIRTUAL_PYTHONHOME set -e _OLD_VIRTUAL_PYTHONHOME end if test -n "$_OLD_FISH_PROMPT_OVERRIDE" functions -e fish_prompt set -e _OLD_FISH_PROMPT_OVERRIDE functions -c _old_fish_prompt fish_prompt functions -e _old_fish_prompt end set -e VIRTUAL_ENV if test "$argv[1]" != "nondestructive" # Self-destruct! functions -e deactivate end end # Unset irrelevant variables. deactivate nondestructive set -gx VIRTUAL_ENV __VENV_DIR__ set -gx _OLD_VIRTUAL_PATH $PATH set -gx PATH "$VIRTUAL_ENV/"__VENV_BIN_NAME__ $PATH # Unset PYTHONHOME if set. if set -q PYTHONHOME set -gx _OLD_VIRTUAL_PYTHONHOME $PYTHONHOME set -e PYTHONHOME end if test -z "$VIRTUAL_ENV_DISABLE_PROMPT" # fish uses a function instead of an env var to generate the prompt. # Save the current fish_prompt function as the function _old_fish_prompt. functions -c fish_prompt _old_fish_prompt # With the original prompt function renamed, we can override with our own. function fish_prompt # Save the return status of the last command. set -l old_status $status # Output the venv prompt; color taken from the blue of the Python logo. printf "%s%s%s" (set_color 4B8BBE) __VENV_PROMPT__ (set_color normal) # Restore the return status of the previous command. echo "exit $old_status" | . # Output the original/"old" prompt. _old_fish_prompt end set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV" end
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