Replace deprecated set-output with GITHUB_OUTPUT

.github/workflows/dispatch-build-bottle.yml

@@ -151,10 +151,10 @@ jobs:
           cd bottles
           count=$(ls *.json | wc -l | xargs echo -n)
           echo "$count bottles"
-          echo "::set-output name=count::$count"
+          echo "count=$count" >> $GITHUB_OUTPUT
           failures=$(ls failed/*.json | wc -l | xargs echo -n)
           echo "$failures failed bottles"
-          echo "::set-output name=failures::$failures"
+          echo "failures=$failures" >> $GITHUB_OUTPUT
 
       - name: Upload failed bottles
         if: always() && steps.bottles.outputs.failures > 0

.github/workflows/dispatch-rebottle.yml

@@ -139,7 +139,7 @@ jobs:
           cd bottles
           count=$(ls *.json | wc -l | xargs echo -n)
           echo "$count bottles"
-          echo "::set-output name=count::$count"
+          echo "count=$count" >> $GITHUB_OUTPUT
 
       - name: Upload bottles to GitHub Actions
         if: always() && steps.bottles.outputs.count > 0

.github/workflows/tests.yml

@@ -299,10 +299,10 @@ jobs:
           cd bottles
           count=$(ls *.json | wc -l | xargs echo -n)
           echo "$count bottles"
-          echo "::set-output name=count::$count"
+          echo "count=$count" >> $GITHUB_OUTPUT
           failures=$(ls failed/*.json | wc -l | xargs echo -n)
           echo "$failures failed bottles"
-          echo "::set-output name=failures::$failures"
+          echo "failures=$failures" >> $GITHUB_OUTPUT
 
       - name: Upload failed bottles
         if: always() && steps.bottles.outputs.failures > 0

cmd/determine-rebottle-runners.rb

@@ -84,6 +84,9 @@ module Homebrew
       end
     end.compact
 
-    puts "::set-output name=runners::#{runners.to_json}"
+    github_output = ENV.fetch("GITHUB_OUTPUT") { raise "GITHUB_OUTPUT is not defined" }
+    File.open(github_output, "a") do |f|
+      f.puts("runners=#{runners.to_json}")
+    end
   end
 end