Add script to copy each asset to a engine-version release

Author: eregon

copy_to_separate_releases.rb

@@ -0,0 +1,42 @@
+require 'json'
+
+def sh(*args, **kwargs)
+  puts "$ #{args.join(' ')}"
+  system(*args, exception: true, **kwargs)
+end
+
+assets = JSON.load(`gh release view toolcache --json assets`).fetch('assets')
+
+filter = ARGV[0] || 'jruby-10.0.0.0'
+
+PLATFORM_MAPPING = {
+  'macos-latest'       => 'darwin-x64',
+  'macos-13-arm64'     => 'darwin-arm64',
+  'ubuntu-22.04'       => 'ubuntu-22.04-x64',
+  'ubuntu-22.04-arm64' => 'ubuntu-22.04-arm64',
+  'ubuntu-24.04'       => 'ubuntu-24.04-x64',
+  'ubuntu-24.04-arm64' => 'ubuntu-24.04-arm64',
+  'windows-latest'     => 'windows-x64',
+  'windows-arm64'      => 'windows-arm64',
+}
+
+assets.each do |asset|
+  name = asset['name']
+  raise name unless /^(?<engine>[\w+]+)-(?<version>[\d.]+(?:-(p|preview|rc)\d+)?)-(?<platform>\w+-.+)\.tar\.gz$/ =~ name
+  new_platform = PLATFORM_MAPPING.fetch(platform)
+  new_name = "#{engine}-#{version}-#{new_platform}.tar.gz"
+  if name.start_with?(filter)
+    puts name
+    tag = "#{engine}-#{version}"
+    notes = "Builds of #{tag}"
+
+    unless sh 'gh', 'release', 'view', tag, out: File::NULL, exception: false
+      sh 'gh', 'release', 'create', tag, '--notes', notes
+    end
+
+    sh 'gh', 'release', 'download', 'toolcache', '--pattern', name
+    File.rename name, new_name
+    sh 'gh', 'release', 'upload', tag, new_name
+    File.delete new_name
+  end
+end