Deprecate unnecessary constant in GitHubMetadata::Client (#239)

Merge pull request 239

Author: ashmaroli

.github/workflows/ci.yaml

@@ -10,8 +10,10 @@ on:
 
 jobs:
   ci:
-    name: 'Ruby ${{ matrix.ruby_version }}'
-    runs-on: '${{ matrix.os }}'
+    name: 'Ruby: ${{ matrix.ruby_version }} • Faraday: ~> ${{ matrix.faraday_version }}'
+    runs-on: ${{ matrix.os }}
+    env:
+      FARADAY_VERSION: ${{ matrix.faraday_version }}
     strategy:
       fail-fast: false
       matrix:
@@ -20,6 +22,9 @@ jobs:
         - '3.0'
         - '3.1'
         - '3.2'
+        faraday_version:
+        - '1.0'
+        - '2.0'
         os:
         - ubuntu-latest
     steps:

lib/jekyll-github-metadata/client.rb

@@ -68,14 +68,20 @@ def method_missing(method_name, *args, &block)
         end
       end
 
-      # NOTE: Faraday's error classes has been promoted to under Faraday module from v1.0.0.
-      # This patch aims to prevent on locking specific version of Faraday.
+      # NOTE: Faraday's error classes have been simplified from v1.0.0.
+      #
+      # In older versions, both `Faraday::Error::ConnectionFailed` and `Faraday::ConnectionFailed`
+      # were valid and equivalent to each other.
+      # From v1.0.0 onwards, `Faraday::Error::ConnectionFailed` no longer exists.
+      #
+      # TODO: Remove in v2.0 of this plugin.
       FARADAY_FAILED_CONNECTION =
         begin
           Faraday::Error::ConnectionFailed
         rescue NameError
           Faraday::ConnectionFailed
         end
+      deprecate_constant :FARADAY_FAILED_CONNECTION
 
       def save_from_errors(default = false)
         unless internet_connected?
@@ -86,7 +92,7 @@ def save_from_errors(default = false)
         yield @client
       rescue Octokit::Unauthorized
         raise BadCredentialsError, "The GitHub API credentials you provided aren't valid."
-      rescue FARADAY_FAILED_CONNECTION, Octokit::TooManyRequests => e
+      rescue Faraday::ConnectionFailed, Octokit::TooManyRequests => e
         GitHubMetadata.log :warn, e.message
         default
       rescue Octokit::NotFound