# This file must be used with ". bin/activate.fish" *from fish* (http://fishshell.org)
# you cannot run it directly

function deactivate -d "Exit virtualenv 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
. ( begin
printf "function fish_prompt\n\t#"
functions _old_fish_prompt
end | psub )
functions -e _old_fish_prompt
end

set -e VIRTUAL_ENV
if test "$argv[1]" != "nondestructive"
# Self destruct!
functions -e deactivate
end
end

# unset irrelavent 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
. ( begin
printf "function _old_fish_prompt\n\t#"
functions fish_prompt
end | psub )

# with the original prompt function renamed, we can override with our own.
function fish_prompt
# Prompt override?
if test -n "__VENV_PROMPT__"
printf "%s%s%s" "__VENV_PROMPT__" (set_color normal) (_old_fish_prompt)
return
end
# ...Otherwise, prepend env
set -l _checkbase (basename "$VIRTUAL_ENV")
if test $_checkbase = "__"
# special case for Aspen magic directories
# see http://www.zetadev.com/software/aspen/
printf "%s[%s]%s %s" (set_color -b blue white) (basename (dirname "$VIRTUAL_ENV")) (set_color normal) (_old_fish_prompt)
else
printf "%s(%s)%s%s" (set_color -b blue white) (basename "$VIRTUAL_ENV") (set_color normal) (_old_fish_prompt)
end
end

set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"
end