env_file.yml

_set-env-vars-file:
    steps:
    - script:
        inputs:
        - title: "Set env vars file"
        - content: |
            #!/bin/bash

            if [ -n "$ENV_FILE" ]; then
              # specify local download path
              file_local_path=$BITRISE_SOURCE_DIR/file_env

              # download the file
              wget -O "$file_local_path" "$ENV_FILE"
              filename="$file_local_path"
              # set vars define by env file in generic file storage
              while IFS= read -r var
              do
                if [[ $var =~ "=" ]]; then
                  key=${var%%=*}
                  value=${var#*=}
                  valueDefault=${!key}
                  if [ -n "$value" ] && [ -z "$valueDefault" ]; then
                    echo "Set var: $key"
                    envman add --key $key --value $value
                  fi
                fi
              done < "$filename"
            fi