home-assistant-addon/esphome-dev/rootfs/etc/cont-init.d/30-esphome-fork.sh

#!/usr/bin/with-contenv bashio
# ==============================================================================
# Community Hass.io Add-ons: ESPHome
# This files installs the user ESPHome fork if specified
# The fork must be up to date with the latest ESPHome dev branch
# and have no conflicts
# ==============================================================================

declare esphome_fork

if bashio::config.has_value 'esphome_fork'; then
    esphome_fork=$(bashio::config 'esphome_fork')
    if [[ $esphome_fork == *":"* ]]; then
      IFS=':' read -r -a array <<< "$esphome_fork"
      username=${array[0]}
      ref=${array[1]}
    else
      username="esphome"
      ref=$esphome_fork
    fi
    full_url="https://github.com/${username}/esphome/archive/${ref}.tar.gz"
    bashio::log.info "Checking forked ESPHome"
    dev_version=$(python3 -c "from esphome.const import __version__; print(__version__)")
    bashio::log.info "Downloading ESPHome from fork '${esphome_fork}' (${full_url})..."
    curl -L -o /tmp/esphome.tar.gz "${full_url}" -qq \
      || bashio::exit.nok "Failed downloading ESPHome fork."
    bashio::log.info "Installing ESPHome from fork '${esphome_fork}' (${full_url})..."
    rm -rf /esphome || bashio::exit.nok "Failed to remove ESPHome."
    mkdir /esphome
    tar -zxf /tmp/esphome.tar.gz -C /esphome --strip-components=1 \
      || bashio::exit.nok "Failed installing ESPHome from fork."
    pip install -U -e /esphome || bashio::exit.nok "Failed installing ESPHome from fork."
    rm -f /tmp/esphome.tar.gz
    fork_version=$(python3 -c "from esphome.const import __version__; print(__version__)")

    if [[ "$fork_version" != "$dev_version" ]]; then
      bashio::log.error "############################"
      bashio::log.error "Uninstalled fork as version does not match"
      bashio::log.error "Update (or ask the author to update) the branch"
      bashio::log.error "This is important as the dev addon and the dev ESPHome"
      bashio::log.error "branch can have changes that are not compatible with old forks"
      bashio::log.error "and get reported as bugs which we cannot solve easily."
      bashio::log.error "############################"
      bashio::exit.nok
    fi
    bashio::log.info "Installed ESPHome from fork '${esphome_fork}' (${full_url})..."
fi