asdf/lib/commands/install.sh

handle_failure() {
  local install_path="$1"
  rm -rf "$install_path"
  exit 1
}

handle_cancel() {
  local install_path="$1"
  echo -e "\\nreceived sigint, cleaning up"
  handle_failure "$install_path"
}

install_command() {
  local plugin_name=$1
  local full_version=$2

  if [ "$plugin_name" = "" ] && [ "$full_version" = "" ]; then
    install_local_tool_versions
  elif [[ $# -eq 1 ]]; then
    display_error "You must specify a name and a version to install"
    exit 1
  else
    install_tool_version "$plugin_name" "$full_version"
  fi
}

get_concurrency() {
  if command -v nproc > /dev/null 2>&1; then
    nproc
  elif command -v sysctl > /dev/null 2>&1 && sysctl hw.ncpu > /dev/null 2>&1; then
    sysctl -n hw.ncpu
  elif [ -f /proc/cpuinfo ]; then
    grep -c processor /proc/cpuinfo
  else
    echo "1"
  fi
}

install_local_tool_versions() {
  local asdf_versions_path
  asdf_versions_path=$(find_tool_versions)
  if [ -f "${asdf_versions_path}" ]; then
    while read -r tool_line; do
      IFS=' ' read -r -a tool_info <<< "$tool_line"
      local tool_name
      tool_name=$(echo "${tool_info[0]}" | xargs)
      local tool_version
      tool_version=$(echo "${tool_info[1]}" | xargs)

      if ! [[ -z "$tool_name" || -z "$tool_version" ]]; then
        install_tool_version "$tool_name" "$tool_version"
      fi
    done < "$asdf_versions_path"
  else
    echo "Either specify a tool & version in the command"
    echo "OR add .tool-versions file in this directory"
    echo "or in a parent directory"
    exit 1
  fi
}


install_tool_version() {
  local plugin_name=$1
  local full_version=$2
  local plugin_path
  plugin_path=$(get_plugin_path "$plugin_name")
  check_if_plugin_exists "$plugin_name"


  IFS=':' read -r -a version_info <<< "$full_version"
  if [ "${version_info[0]}" = "ref" ]; then
    local install_type="${version_info[0]}"
    local version="${version_info[1]}"
  else
    local install_type="version"
    local version="${version_info[0]}"
  fi


  local install_path
  install_path=$(get_install_path "$plugin_name" "$install_type" "$version")
  local concurrency
  concurrency=$(get_concurrency)
  trap 'handle_cancel $install_path' INT

  if [ -d "$install_path" ]; then
    echo "$plugin_name $full_version is already installed"
  else
    (
      export ASDF_INSTALL_TYPE=$install_type
      export ASDF_INSTALL_VERSION=$version
      export ASDF_INSTALL_PATH=$install_path
      export ASDF_CONCURRENCY=$concurrency
      mkdir "$install_path"
      bash "${plugin_path}"/bin/install
    )

    local exit_code=$?
    if [ $exit_code -eq 0 ]; then
      reshim_command "$plugin_name" "$full_version"
    else
      handle_failure "$install_path"
    fi
  fi
}