ohmyzsh/plugins/virtualenvwrapper/virtualenvwrapper.plugin.zsh
Jacob Tomaw 1ba0af650a Use safer append to hook function arrays (#8406)
Use add-zsh-hook to add functions to hooks. That way they won't be added again
when doing `source ~/.zshrc` multiple times.

Co-authored-by: Marc Cornellà <marc.cornella@live.com>
2019-11-19 18:47:12 +01:00

102 lines
3.7 KiB
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virtualenvwrapper='virtualenvwrapper.sh'
virtualenvwrapper_lazy='virtualenvwrapper_lazy.sh'
if (( $+commands[$virtualenvwrapper_lazy] )); then
function {
setopt local_options
unsetopt equals
virtualenvwrapper=${${virtualenvwrapper_lazy}:c}
source ${${virtualenvwrapper_lazy}:c}
[[ -z "$WORKON_HOME" ]] && WORKON_HOME="$HOME/.virtualenvs"
}
elif (( $+commands[$virtualenvwrapper] )); then
function {
setopt local_options
unsetopt equals
source ${${virtualenvwrapper}:c}
}
elif [[ -f "/usr/local/bin/virtualenvwrapper.sh" ]]; then
function {
setopt local_options
unsetopt equals
virtualenvwrapper="/usr/local/bin/virtualenvwrapper.sh"
source "/usr/local/bin/virtualenvwrapper.sh"
}
elif [[ -f "/etc/bash_completion.d/virtualenvwrapper" ]]; then
function {
setopt local_options
unsetopt equals
virtualenvwrapper="/etc/bash_completion.d/virtualenvwrapper"
source "/etc/bash_completion.d/virtualenvwrapper"
}
else
print "[oh-my-zsh] virtualenvwrapper plugin: Cannot find ${virtualenvwrapper}.\n"\
"Please install with \`pip install virtualenvwrapper\`" >&2
return
fi
if ! type workon &>/dev/null; then
print "[oh-my-zsh] virtualenvwrapper plugin: shell function 'workon' not defined.\n"\
"Please check ${virtualenvwrapper}" >&2
return
fi
if [[ "$WORKON_HOME" == "" ]]; then
print "[oh-my-zsh] \$WORKON_HOME is not defined so plugin virtualenvwrapper will not work" >&2
return
fi
if [[ ! $DISABLE_VENV_CD -eq 1 ]]; then
# Automatically activate Git projects or other customized virtualenvwrapper projects based on the
# directory name of the project. Virtual environment name can be overridden
# by placing a .venv file in the project root with a virtualenv name in it.
function workon_cwd {
if [[ -z "$WORKON_CWD" ]]; then
local WORKON_CWD=1
# Check if this is a Git repo
local GIT_REPO_ROOT=""
local GIT_TOPLEVEL="$(git rev-parse --show-toplevel 2> /dev/null)"
if [[ $? == 0 ]]; then
GIT_REPO_ROOT="$GIT_TOPLEVEL"
fi
# Get absolute path, resolving symlinks
local PROJECT_ROOT="${PWD:A}"
while [[ "$PROJECT_ROOT" != "/" && ! -e "$PROJECT_ROOT/.venv" \
&& ! -d "$PROJECT_ROOT/.git" && "$PROJECT_ROOT" != "$GIT_REPO_ROOT" ]]; do
PROJECT_ROOT="${PROJECT_ROOT:h}"
done
if [[ "$PROJECT_ROOT" == "/" ]]; then
PROJECT_ROOT="."
fi
# Check for virtualenv name override
if [[ -f "$PROJECT_ROOT/.venv" ]]; then
ENV_NAME="$(cat "$PROJECT_ROOT/.venv")"
elif [[ -f "$PROJECT_ROOT/.venv/bin/activate" ]];then
ENV_NAME="$PROJECT_ROOT/.venv"
elif [[ "$PROJECT_ROOT" != "." ]]; then
ENV_NAME="${PROJECT_ROOT:t}"
else
ENV_NAME=""
fi
if [[ "$ENV_NAME" != "" ]]; then
# Activate the environment only if it is not already active
if [[ "$VIRTUAL_ENV" != "$WORKON_HOME/$ENV_NAME" ]]; then
if [[ -e "$WORKON_HOME/$ENV_NAME/bin/activate" ]]; then
workon "$ENV_NAME" && export CD_VIRTUAL_ENV="$ENV_NAME"
elif [[ -e "$ENV_NAME/bin/activate" ]]; then
source $ENV_NAME/bin/activate && export CD_VIRTUAL_ENV="$ENV_NAME"
fi
fi
elif [[ -n $CD_VIRTUAL_ENV && -n $VIRTUAL_ENV ]]; then
# We've just left the repo, deactivate the environment
# Note: this only happens if the virtualenv was activated automatically
deactivate && unset CD_VIRTUAL_ENV
fi
fi
}
# Append workon_cwd to the chpwd_functions array, so it will be called on cd
# http://zsh.sourceforge.net/Doc/Release/Functions.html
autoload -U add-zsh-hook
add-zsh-hook chpwd workon_cwd
fi