kiwi-scp/kiwi

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Executable file

#!/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=(python3 pipenv less docker docker-compose)
# base install dir
KIWI_BASEDIR="${HOME}/.cache/kiwi-config"
# per-user env setup script
KIWI_ENVFILE="${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 '${dep}' not found, please install!"
exit 1
fi
done
########
# MAIN #
########
# check if pwd is a kiwi folder
if [ -f "./${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 ${KIWI_BASEDIR} ... "
### TODO: post-release version ###
# # switch to temp dir
# tmpdir=$(mktemp -d)
# cd "${tmpdir}" || :
# # download archive
# wget "${KIWI_REPO}/archive/${KIWI_VERSION}.zip"
# unzip "${KIWI_VERSION}.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 "${tmpdir}"
# echo "OK"
### pre-release version ###
# use this directory as archive
cd "$(dirname "$(readlink -f "${0}")")" || :
# read this version tag
KIWI_VERSION=$(cat "./src/${KIWI_VERSION_TAG}")
if [ -x "$(kiwi_executable)" ]; then
# after version update: no need to install
echo "kiwi-config v${KIWI_VERSION} found!"
else
# install this
mkdir -p "${KIWI_BASEDIR}"
ln -s "$(readlink -f .)" "$(kiwi_installdir)"
# cd
echo "OK"
fi
fi
# check virtualenv
cd "$(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 "$(kiwi_executable)" "${@}"