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README: improve recipe for virtualenv auto-activation

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- check that VIRTUAL_ENV is non-empty, which might happen when
`deactivate` was called already.
- perform directory name abbreviation on the virtualenv path.
This commit is contained in:
Daniel Hahler 2017-05-24 18:02:47 +02:00
parent 4aeb48a02e
commit 9ecb91480d
1 changed files with 4 additions and 4 deletions
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8
README.md
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@ -161,17 +161,17 @@ if [[ $autoenv_event == 'enter' ]]; then
local -a venv
venv=(./(../)#.venv(NY1:A))
if [[ -n "$_ZSH_ACTIVATED_VIRTUALENV" ]]; then
if [[ -n "$_ZSH_ACTIVATED_VIRTUALENV" && -n "$VIRTUAL_ENV" ]]; then
if ! (( $#venv )) || [[ "$_ZSH_ACTIVATED_VIRTUALENV" != "$venv[1]" ]]; then
echo "De-activating virtualenv: $VIRTUAL_ENV" >&2
deactivate
unset _ZSH_ACTIVATED_VIRTUALENV
echo "De-activating virtualenv: ${(D)VIRTUAL_ENV}" >&2
deactivate
fi
fi
if [[ -z "$VIRTUAL_ENV" ]]; then
if (( $#venv )); then
echo "Activating virtualenv: $venv" >&2
echo "Activating virtualenv: ${(D)venv}" >&2
source $venv[1]/bin/activate
_ZSH_ACTIVATED_VIRTUALENV="$venv[1]"
fi