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Fixes #25671: Updated prompt handling in activate.fish.

This commit is contained in:
Vinay Sajip 2016-09-11 12:52:08 +01:00
parent b7665386bc
commit 8d82559ca7
1 changed files with 20 additions and 19 deletions
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39
Lib/venv/scripts/posix/activate.fish
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@ -15,10 +15,7 @@ function deactivate -d "Exit virtualenv and return to normal shell environment"
if test -n "$_OLD_FISH_PROMPT_OVERRIDE"
functions -e fish_prompt
set -e _OLD_FISH_PROMPT_OVERRIDE
. ( begin
printf "function fish_prompt\n\t#"
functions _old_fish_prompt
end | psub )
functions -c _old_fish_prompt fish_prompt
functions -e _old_fish_prompt
end
@ -47,27 +44,31 @@ if test -z "$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 )
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 $status
# Prompt override?
if test -n "__VENV_PROMPT__"
printf "%s%s%s" "__VENV_PROMPT__" (set_color normal) (_old_fish_prompt)
return
end
# ...Otherwise, prepend env
set -l _checkbase (basename "$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)
if test -n "__VENV_PROMPT__"
printf "%s%s" "__VENV_PROMPT__" (set_color normal)
else
printf "%s(%s)%s%s" (set_color -b blue white) (basename "$VIRTUAL_ENV") (set_color normal) (_old_fish_prompt)
# ...Otherwise, prepend env
set -l _checkbase (basename "$VIRTUAL_ENV")
if test $_checkbase = "__"
# special case for Aspen magic directories
# see http://www.zetadev.com/software/aspen/
printf "%s[%s]%s " (set_color -b blue white) (basename (dirname "$VIRTUAL_ENV")) (set_color normal)
else
printf "%s(%s)%s" (set_color -b blue white) (basename "$VIRTUAL_ENV") (set_color normal)
end
end
# Restore the return status of the previous command.
echo "exit $old_status" | .
_old_fish_prompt
end
set -gx _OLD_FISH_PROMPT_OVERRIDE "$VIRTUAL_ENV"