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kiwi-scp/kiwi

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#!/bin/bash
#############
# CONSTANTS #
#############
# base config filename
KIWI_CONF_NAME="kiwi.yml"
# version tag filename
KIWI_VERSION_TAG="etc/version_tag"
# dependencies to run kiwi-config
KIWI_DEPS=(docker docker-compose)
# base install dir
KIWI_BASEDIR="${HOME}/.local/lib/kiwi-config"
# per-user env setup script
KIWI_ENVFILE="${HOME}/.kiwienv"
# repository uri
KIWI_REPO="https://github.com/ldericher/kiwi-config"
# use latest version by default
KIWI_VERSION="master"
###################
# DYNAMIC STRINGS #
###################
# directory of correct installation
function kiwi_installdir() {
echo "${KIWI_BASEDIR}/${KIWI_VERSION}"
}
# src directory in installed version
function kiwi_root() {
echo "$(kiwi_installdir)/src"
}
# main script in installed version
function kiwi_executable() {
echo "$(kiwi_root)/kiwi-config.py"
}
# cache current work directory
WORKDIR="$(pwd)"
##################
# PER-USER SETUP #
##################
# add in environment setup
if [ -f "${KIWI_ENVFILE}" ]; then
# shellcheck source=$HOME/.kiwienv
source "${KIWI_ENVFILE}"
fi
##########
# CHECKS #
##########
for dep in "${KIWI_DEPS[@]}"; do
if ! command -v "${dep}" &>/dev/null; then
echo "Dependency '${dep}' not found, please install!" >/dev/stderr
exit 1
fi
done
########
# MAIN #
########
# check if pwd is a kiwi folder
if [ -f "./${KIWI_CONF_NAME}" ]; then
# determine needed kiwi-config version
re_version_line='version\s*:\s*'
eval "$(grep -E "${re_version_line}" "./${KIWI_CONF_NAME}" | sed -r "s/${re_version_line}/KIWI_VERSION=/")"
fi
# install if kiwi-config not found
if [ ! -x "$(kiwi_executable)" ]; then
echo -n "Installing kiwi-config v${KIWI_VERSION} into ${KIWI_BASEDIR} ... "
# switch to temp dir
tmpdir=$(mktemp -d)
cd "${tmpdir}" || :
# download archive
curl -o "kiwi-config.zip" "${KIWI_REPO}/archive/${KIWI_VERSION}.zip"
unzip "kiwi-config.zip"
# read archive version tag
cd "kiwi-config-${KIWI_VERSION}" || :
KIWI_VERSION=$(cat "./src/${KIWI_VERSION_TAG}")
# install archive
mkdir -p "$(kiwi_installdir)"
mv "src" "Pipfile" "Pipfile.lock" "$(kiwi_installdir)/"
# discard temp dir
cd "${WORKDIR}" || :
rm -rf "${tmpdir}"
echo "OK"
fi
# check virtualenv
cd "$(kiwi_installdir)" || :
if ! pipenv --venv &>/dev/null; then
# install virtualenv
echo -n "Preparing virtualenv ... "
pipenv sync &>/dev/null
echo "OK"
fi
# go back to the original work directory
cd "${WORKDIR}" || :
# setup main environment
KIWI_ROOT="$(kiwi_root)"
export KIWI_ROOT
export KIWI_CONF_NAME
export PIPENV_VERBOSITY=-1
# run main script
exec pipenv run "$(kiwi_executable)" "${@}"