https://git.ruby-lang.org/ruby.git/commit/?id=0b9b0774c3

From 0b9b0774c3dc0c4113335a57717bbc9d3d9595e8 Mon Sep 17 00:00:00 2001
From: Alexander Pakulov <apakulov@s...>
Date: Mon, 2 Sep 2019 11:36:08 -0700
Subject: [rubygems/rubygems] Minor fix

https://github.com/rubygems/rubygems/commit/95c1f4e179

diff --git a/lib/rubygems/s3_uri_signer.rb b/lib/rubygems/s3_uri_signer.rb
index ff9dde3..534b867 100644
--- a/lib/rubygems/s3_uri_signer.rb
+++ b/lib/rubygems/s3_uri_signer.rb
@@ -152,7 +152,7 @@ class Gem::S3URISigner https://github.com/ruby/ruby/blob/trunk/lib/rubygems/s3_uri_signer.rb#L152
 
     iam_info = ec2_metadata_request(EC2_IAM_INFO)
     # Expected format: arn:aws:iam::<id>:instance-profile/<role_name>
-    role_name = iam_info['InstanceProfileArn'].split('/')[1]
+    role_name = iam_info['InstanceProfileArn'].split('/').last
     ec2_metadata_request(EC2_IAM_SECURITY_CREDENTIALS + role_name)
   end
 
-- 
cgit v0.10.2


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