[rubygems/rubygems] [build, rebuild] Split common find_gemspec() out to GemspecHelpers.

https://github.com/rubygems/rubygems/commit/2f80a595c4

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/rubygems/gemspec_helpers.rb b/lib/rubygems/gemspec_helpers.rb
new file mode 100644
index 0000000000..a4ce0756e3
--- /dev/null
+++ b/lib/rubygems/gemspec_helpers.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+require_relative "../rubygems"
+
+##
+# Mixin methods for commands that work with gemspecs.
+
+module Gem::GemspecHelpers
+  def find_gemspec(glob = "*.gemspec")
+    gemspecs = Dir.glob(glob).sort
+
+    if gemspecs.size > 1
+      alert_error "Multiple gemspecs found: #{gemspecs}, please specify one"
+      terminate_interaction(1)
+    end
+
+    gemspecs.first
+  end
+
+end