Make upload task find the version automatically

Because ezbake doesn't use the git describe and instead the version is based on a timestamp when the thing was build, this looks up the version/release from the ezbake config to determine what to upload.

Author: nmburgan

tasks/upload.rake

@@ -1,6 +1,6 @@
 namespace :vox do
   desc 'Upload artifacts from the output directory to S3. Requires the AWS CLI to be installed and configured appropriately.'
-  task :upload, [:tag, :platform] do |_, args|
+  task :upload, [:platform] do |_, args|
     endpoint = ENV.fetch('ENDPOINT_URL')
     bucket = ENV.fetch('BUCKET_NAME')
     component = 'openvox-server'
@@ -14,23 +14,31 @@ namespace :vox do
 
     abort 'You must set the ENDPOINT_URL environment variable to the S3 server you want to upload to.' if endpoint.nil? || endpoint.empty?
     abort 'You must set the BUCKET_NAME environment variable to the S3 bucket you are uploading to.' if bucket.nil? || bucket.empty?
-    abort 'You must provide a tag.' if args[:tag].nil? || args[:tag].empty?
 
-    munged_tag = args[:tag].gsub('-', '.')
     s3 = "aws s3 --endpoint-url=#{endpoint}"
 
     # Ensure the AWS CLI isn't going to fail with the given parameters
     run_command("#{s3} ls s3://#{bucket}/")
 
-    glob = "#{__dir__}/../output/**/*#{munged_tag}*"
+    config = File.expand_path("../target/staging/ezbake.rb", __dir__)
+    abort "Could not find ezbake config from the build at #{config}" unless File.exist?(config)
+    load config
+    version = EZBake::Config.fetch(:version)
+    release = EZBake::Config.fetch(:release)
+    # If release is a digit, then we built a tagged version. Otherwise,
+    # we built a snapshot and want to include that in the path to upload to.
+    tag = release =~ /^\d{1,2}$/ ? version : "#{version}-#{release}"
+
+
+    glob = "#{__dir__}/../output/**/*#{tag}*"
     if os
       # "arch" is not used here because it's all noarch
       glob += "#{os}*"
     end
     files = Dir.glob(glob)
     abort 'No files for the given tag found in the output directory.' if files.empty?
 
-    path = "s3://#{bucket}/#{component}/#{args[:tag]}"
+    path = "s3://#{bucket}/#{component}/#{tag}"
     files.each do |f|
       run_command("#{s3} cp #{f} #{path}/#{File.basename(f)}", silent: false)
     end