develop

#!/usr/bin/env bash
#
# install-cli
#
# Copy this file into your project to enable easy, guided
# installation/bootstrapping.
#
# Don't like sh/bash/etc? Sure.
#
# Love sh/bash/etc? Yeah, but....
#
# Let's use it here, to bootstrap whatever tools/libraries/etc. we
# *really* love for our project.
#
# You can name your implementation of this script whatever you like,
# such as: install
#

# Update INSTALL_VERSION to require the version of install-cli this
# script expects
INSTALL_VERSION=0.0.7

#
# start bootstrap installation lib
#
# This is a *bit* of boilerplate to ensure we've downloaded the correct
# version of install-cli. (You probably don't need to touch this.)
#

INSTALL_FILE=.install.${INSTALL_VERSION//./-}.bash.inc

INSTALL_URL=https://raw.githubusercontent.com/dssg/install-cli/$INSTALL_VERSION/install.bash.inc

[ -f $INSTALL_FILE ] || curl -#L $INSTALL_URL -o $INSTALL_FILE

. $INSTALL_FILE

#
# end bootstrap installation lib
#

#
# start project check/install
#
# This is your time to shine!
# Invoke 'require' to ensure your project's basic requirements are met.
#

# check/install examples
#
# # pyenv
#
# exists_pyenv() {
#   icli::check_command pyenv
# }
#
# install_pyenv() {
#   curl -#L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash
# }
#
# require pyenv \
#   exists_pyenv \
#   install_pyenv \
#   --fail-prefix="not found"

# python

PY_VERSION=3.7.0

strip_vpart() {
  <<<"$1" sed -Ee 's/\.{0,1}[0-9]{1,}$//'
}

which_python() {
  local py_version="$1"

  local installed_info
  local python_exe="python${py_version}"

  while true; do
    if icli::check_command $python_exe || [ $python_exe = python ]; then
      break
    else
      # strip a version part from the exe
      # NOTE: must support POSIX sed (not just GNU)
      python_exe="$(strip_vpart "$python_exe")"
      py_version="$(strip_vpart "$py_version")"
    fi
  done

  installed_info="$($python_exe --version 2>/dev/null)"
  if icli::check_command $python_exe && [ -z "$installed_info" ]; then
    # python <3.4 printed version to stderr
    installed_info="$($python_exe --version 2>&1)"
  fi

  if [[ "${installed_info#* }" = $py_version* ]]; then
    echo $python_exe
    return 0
  else
    return 1
  fi
}

exists_python() {
  which_python $PY_VERSION > /dev/null
}

# install_python() {
#   pyenv install -s $PY_VERSION
# }

require "python-${PY_VERSION}" \
  exists_python \
  --fail-prefix="v${PY_VERSION} not found"

# # virtualenv
#
# PROJECT=install-cli
#
# exists_virtualenv() {
#   test "$(pyenv version-name 2> /dev/null)" == "$PROJECT"
# }
#
# install_virtualenv() {
#   pyenv virtualenv 3.6.3 $PROJECT
# }
#
# require $PROJECT \
#   exists_virtualenv \
#   install_virtualenv \
#   --fail-prefix="project virtual environment not found"

# python libs

install_lib() {
  pip install -r requirement/develop.txt
}

# no great way to check that python libs installed;
# rather, always fail check and let pip figure it out
require cli \
  icli::always_install \
  install_lib

# docker

exists_docker() {
  icli::check_command docker
}

require docker \
  exists_docker \
  --fail-prefix="docker command not found"

# docker buildx

BUILDX_VERSION=0.5.1
BUILDX_SRC="https://github.com/docker/buildx/releases/download/v${BUILDX_VERSION}/buildx-v${BUILDX_VERSION}.linux-amd64"

BUILDX_DEST="$HOME/.docker/cli-plugins/docker-buildx"

buildx_inplace() {
  test -f "$BUILDX_DEST"
}

install_buildx() {
  mkdir -p "$(dirname "$BUILDX_DEST")"
  curl -#Lo "$BUILDX_DEST" "$BUILDX_SRC"
  chmod ug+x "$BUILDX_DEST"
}

require buildx \
  buildx_inplace \
  install_buildx

# # environment variables
#
# EXPECTED_ENVVARS="PGHOST PGPORT PGUSER PGDATABASE"
#
# check_envvars() {
#   icli::check_envvars $EXPECTED_ENVVARS
# }
#
# require envvars \
#   check_envvars \
#   --fail-prefix="one or more of these environment variables missing ($EXPECTED_ENVVARS)"

#
# end project check/install
#