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109 lines
3.1 KiB
109 lines
3.1 KiB
3 years ago
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#!/bin/sh
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set -e
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# We need to detect if this script is being sourced or not.
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# Unfortunately, if we want to maintain POSIX compliancy and portability to
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# other shells there is not a 100% accurate and clean method;
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# this is the closer we can get... at the moment.
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# Source: https://stackoverflow.com/a/28776166
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THIS_SCRIPTNAME="activate"
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IS_SOURCED=0
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if [ -n "$ZSH_EVAL_CONTEXT" ]; then
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case $ZSH_EVAL_CONTEXT in *:file) IS_SOURCED=1;; esac
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elif [ -n "$KSH_VERSION" ]; then
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[ \
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"$(cd "$(dirname -- "$0")" && \
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pwd -P)/$(basename -- "$0")" != "$(cd "$(dirname -- "${.sh.file}")" && \
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pwd -P)/$(basename -- "${.sh.file}")" \
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] && IS_SOURCED=1
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elif [ -n "$BASH_VERSION" ]; then
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(return 0 2>/dev/null) && IS_SOURCED=1
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else
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# All other shells: examine $0 for known shell binary filenames
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# Detects `sh` and `dash`; add additional shell filenames as needed.
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case ${0##*/} in
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sh|dash)
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IS_SOURCED=1
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;;
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*)
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[ "${0##*/}" != "$THIS_SCRIPTNAME" ] && IS_SOURCED=1
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;;
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esac
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fi
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if [ "$IS_SOURCED" = "0" ]; then
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echo "This script can only be sourced. Aborting..."
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exit 1
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fi
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set +e
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# Thank you python's venv for the useful snippets <3
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deactivate () {
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# reset old environment variables
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unset DOTSCRIPTS_D
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if [ -n "${_OLD_VIRTUAL_PATH:-}" ] ; then
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PATH="${_OLD_VIRTUAL_PATH:-}"
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export PATH
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unset _OLD_VIRTUAL_PATH
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fi
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# This should detect bash and zsh, which have a hash command that must
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# be called to get it to forget past commands. Without forgetting
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# past commands the $PATH changes we made may not be respected
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if [ -n "${BASH:-}" ] || [ -n "${ZSH_VERSION:-}" ] ; then
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hash -r 2> /dev/null
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fi
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if [ -n "${_OLD_VIRTUAL_PS1:-}" ] ; then
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PS1="${_OLD_VIRTUAL_PS1:-}"
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export PS1
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unset _OLD_VIRTUAL_PS1
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fi
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if [ ! "${1:-}" = "nondestructive" ] ; then
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# Self destruct!
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unset -f deactivate
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fi
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}
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if [ -f "./.dotenv" ]; then
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. "./.dotenv"
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fi
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if [ -z "${DOTSCRIPTS_D}" ]; then
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#echo "No DOTSCRIPTS_D defined. Applying the default one..."
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# In case of sourcing using a relative path there are a couple of cases to
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# handle:
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# - with `$. ./path/activate` I get `/some/./path`
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# - with `$. ./path/activate` I get `/some/../path`
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# At the moment only the first case is handled
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DOTSCRIPTS_D="$(printf "%s" "$PWD/$(dirname -- "$0")" | sed 's|/./|/|')"
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fi
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if [ ! -d "$DOTSCRIPTS_D" ]; then
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echo "The directory '$DOTSCRIPTS_D' does not exist. Aborting..."
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exit 1
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fi
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export DOTSCRIPTS_D
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_OLD_VIRTUAL_PATH="$PATH"
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PATH="$DOTSCRIPTS_D:$PATH"
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export PATH
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# This should detect bash and zsh, which have a hash command that must
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# be called to get it to forget past commands. Without forgetting
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# past commands the $PATH changes we made may not be respected
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if [ -n "${BASH:-}" -o -n "${ZSH_VERSION:-}" ] ; then
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hash -r 2> /dev/null
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fi
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if [ -z "${VIRTUAL_ENV_DISABLE_PROMPT:-}" ] ; then
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_OLD_VIRTUAL_PS1="${PS1:-}"
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PS1="(dotvenv) ${PS1:-}"
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export PS1
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fi
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