Add a task for deleting accidental deployments. #3.

tasks/release.rake

@@ -1,6 +1,9 @@
 desc "Do the full release process"
 task :release => [:clean, :package, :deploy]
 
+GITHUB_REPO_USER = 'NUBIC'
+GITHUB_REPO_NAME = 'suite_authorization_source.rb'
+
 task :github_credentials do |t|
   require 'highline'
 
@@ -18,6 +21,14 @@ task :github_credentials do |t|
   end
 end
 
+def github_downloads
+  creds = task(:github_credentials)
+  @github_downloads ||= Github::Repos::Downloads.new(
+    :login => creds.login,
+    :password => creds.password
+  )
+end
+
 desc "Uploads the current artifacts to GitHub"
 task :deploy => :github_credentials do
   require 'github_api'
@@ -33,19 +44,13 @@ task :deploy => :github_credentials do
     end
   end
 
-  creds = task(:github_credentials)
-  github_downloads = Github::Repos::Downloads.new(
-    :login => creds.login,
-    :password => creds.password
-  )
-
   projs.each do |pub_proj|
     pkg = pub_proj.packages.first
     pkg_file = pkg.to_s
     target_file_name = "#{pub_proj.version}/#{File.basename pkg_file}"
 
     info "Telling GitHub about #{target_file_name}"
-    created = github_downloads.create('NUBIC', 'suite_authorization_source.rb',
+    created = github_downloads.create(GITHUB_REPO_USER, GITHUB_REPO_NAME,
       'name' => target_file_name,
       'size' => File.size(pkg_file),
       'description' => "#{pub_proj.name} #{pub_proj.version}",
@@ -56,3 +61,41 @@ task :deploy => :github_credentials do
     github_downloads.upload(created, pkg_file)
   end
 end
+
+namespace :deploy do
+  task :delete, :version, :needs => :github_credentials do |t, args|
+    require 'github_api'
+
+    unless args[:version] =~ /\d+\.\d+\.\d+/
+      fail "For safety, only delete one version at a time (not #{args[:version]})."
+    end
+
+    trace 'Looking up downloads for NUBIC/suite_authorization_source.rb'
+    matches = github_downloads.list(GITHUB_REPO_USER, GITHUB_REPO_NAME).select do |dl|
+      dl['description'] =~ /#{Regexp.escape args[:version]}/
+    end
+
+    if matches.empty?
+      info "No downloads match #{args[:version]}"
+    else
+      info "Press enter to delete the following files UNRECOVERABLY:"
+      matches.each do |match|
+        info "  - #{match['description']}"
+        info "    #{match['html_url']}"
+      end
+      info "or press ^C to abort."
+      begin
+        $stdin.gets
+      rescue Interrupt
+        info "\nNothing deleted."
+        exit(0)
+      end
+
+      info "Deleting matches."
+      matches.each do |match|
+        trace "Deleting #{match.inspect}"
+        github_downloads.delete(GITHUB_REPO_USER, GITHUB_REPO_NAME, match['id'])
+      end
+    end
+  end
+end