Spell out all the words when matching ls-remote

Use this regular expression:

    %r{(?<=refs/heads/|refs/tags/).+}

scripts/ee_specific_check/ee_specific_check.rb

@@ -167,11 +167,9 @@ module EESpecificCheck
   end
 
   def find_remote_ce_branch
-    ls_remote_output = run_git_command("ls-remote #{ce_repo_url} \"*#{minimal_ce_branch_name}*\"")
-
-    if ls_remote_output.include?(minimal_ce_branch_name)
-      branch_to_fetch = ls_remote_output.scan(%r{(?<=refs/heads/|tags/).+}).sort_by(&:size).first
+    branch_to_fetch = matching_ce_refs.first
 
+    if branch_to_fetch
       say "💪 We found the branch '#{branch_to_fetch}' in the #{ce_repo_url} repository. We will fetch it."
 
       run_git_command("remote add target-ce #{ce_repo_url}")
@@ -199,6 +197,12 @@ module EESpecificCheck
     @minimal_ce_branch_name ||= current_branch.sub(/(\Aee\-|\-ee\z)/, '')
   end
 
+  def matching_ce_refs
+    @matching_ce_refs ||=
+      run_git_command("ls-remote #{ce_repo_url} \"*#{minimal_ce_branch_name}*\"")
+        .scan(%r{(?<=refs/heads/|refs/tags/).+}).sort_by(&:size)
+  end
+
   def scan_diff_numstat(numstat)
     numstat.scan(/(\d+)\s+(\d+)\s+(.+)/)
       .each_with_object({}) do |(added, deleted, file), result|
@@ -231,10 +235,10 @@ if $0 == __FILE__
   require 'rspec/autorun'
 
   RSpec.describe EESpecificCheck do
-    include EESpecificCheck
-
     before do
-      allow(self).to receive(:puts)
+      extend EESpecificCheck
+
+      allow(self).to receive(:warn)
     end
 
     describe '.run_git_command' do
@@ -242,15 +246,32 @@ if $0 == __FILE__
         output = run_git_command('status')
 
         expect(output).to be_kind_of(String)
-        expect(self).to have_received(:puts).with(/git status/)
+        expect(self).to have_received(:warn).with(/git status/)
       end
 
       it 'returns an array of output for more commands' do
         output = run_git_command('status', 'help')
 
         expect(output).to all(be_a(String))
-        expect(self).to have_received(:puts).with(/git status/)
-        expect(self).to have_received(:puts).with(/git help/)
+        expect(self).to have_received(:warn).with(/git status/)
+        expect(self).to have_received(:warn).with(/git help/)
+      end
+    end
+
+    describe '.matching_ce_refs' do
+      before do
+        expect(self).to receive(:current_branch).and_return('v9')
+        expect(self).to receive(:run_git_command)
+          .and_return(<<~OUTPUT)
+            d6602ec5194c87b0fc87103ca4d67251c76f233a\trefs/tags/v9
+            f25a265a342aed6041ab0cc484224d9ca54b6f41\trefs/tags/v9.12
+            c5db5456ae3b0873fc659c19fafdde22313cc441\trefs/tags/v9.123
+            0918385dbd9656cab0d1d81ba7453d49bbc16250\trefs/heads/v9.x
+          OUTPUT
+      end
+
+      it 'sorts by matching size' do
+        expect(matching_ce_refs).to eq(%w[v9 v9.x v9.12 v9.123])
       end
     end
   end