GitHub Actions cleanup

- Add consistent spacing
- Remove `pull_request: []` warning
- remove identical, implicit `name` usage
- use `actions/cache@v1` for compatibility

.github/workflows/docker.yml

@@ -21,10 +21,13 @@ jobs:
           persist-credentials: false
       - name: Fetch origin/master from Git
         run: git fetch origin master
+
       - name: Build Docker image
         run: docker build -t brew --build-arg=version=${{matrix.version}} .
+
       - name: Run brew test-bot --only-setup
         run: docker run --rm brew brew test-bot --only-setup
+
       - name: Deploy the tagged Docker image to GitHub
         if: startsWith(github.ref, 'refs/tags/')
         run: |
@@ -35,6 +38,7 @@ jobs:
           docker push "docker.pkg.github.com/homebrew/brew/ubuntu${{matrix.version}}:$brew_version"
           docker tag brew "docker.pkg.github.com/homebrew/brew/ubuntu${{matrix.version}}:latest"
           docker push "docker.pkg.github.com/homebrew/brew/ubuntu${{matrix.version}}:latest"
+
       - name: Deploy the tagged Docker image to Docker Hub
         if: startsWith(github.ref, 'refs/tags/')
         run: |
@@ -43,6 +47,7 @@ jobs:
           docker push "homebrew/ubuntu${{matrix.version}}:$brew_version"
           docker tag brew "homebrew/ubuntu${{matrix.version}}:latest"
           docker push "homebrew/ubuntu${{matrix.version}}:latest"
+
       - name: Deploy the homebrew/brew Docker image to GitHub and Docker Hub
         if: startsWith(github.ref, 'refs/tags/') && matrix.version == '20.04'
         run: |

.github/workflows/doctor.yml

@@ -25,12 +25,9 @@ jobs:
         id: set-up-homebrew
         uses: Homebrew/actions/setup-homebrew@master
 
-      - name: Run brew test-bot --only-cleanup-before
+      - run: brew test-bot --only-cleanup-before
-        run: brew test-bot --only-cleanup-before
 
-      - name: Run brew test-bot --only-setup
+      - run: brew test-bot --only-setup
-        run: brew test-bot --only-setup
 
-      - name: Run brew test-bot --only-cleanup-after
+      - run: brew test-bot --only-cleanup-after
         if: always()
-        run: brew test-bot --only-cleanup-after

.github/workflows/tests.yml

@@ -2,7 +2,7 @@ name: GitHub Actions CI
 on:
   push:
     branches: master
-  pull_request: []
+  pull_request:
 env:
   HOMEBREW_DEVELOPER: 1
   HOMEBREW_NO_AUTO_UPDATE: 1
@@ -36,7 +36,7 @@ jobs:
 
     - name: Cache Bundler RubyGems
       id: cache
-      uses: actions/cache@main
+      uses: actions/cache@v1
       with:
         path: ${{ steps.set-up-homebrew.outputs.gems-path }}
         key: ${{ runner.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}

Library/Homebrew/dev-cmd/tap-new.rb

@@ -64,7 +64,7 @@ module Homebrew
 
             - name: Cache Homebrew Bundler RubyGems
               id: cache
-              uses: actions/cache@main
+              uses: actions/cache@v1
               with:
                 path: ${{ steps.set-up-homebrew.outputs.gems-path }}
                 key: ${{ runner.os }}-rubygems-${{ steps.set-up-homebrew.outputs.gems-hash }}
@@ -74,18 +74,14 @@ module Homebrew
               if: steps.cache.outputs.cache-hit != 'true'
               run: brew install-bundler-gems
 
-            - name: Run brew test-bot --only-cleanup-before
+            - run: brew test-bot --only-cleanup-before
-              run: brew test-bot --only-cleanup-before
 
-            - name: Run brew test-bot --only-setup
+            - run: brew test-bot --only-setup
-              run: brew test-bot --only-setup
 
-            - name: Run brew test-bot --only-tap-syntax
+            - run: brew test-bot --only-tap-syntax
-              run: brew test-bot --only-tap-syntax
 
-            - name: Run brew test-bot --only-formulae
+            - run: brew test-bot --only-formulae
               if: github.event_name == 'pull_request'
-              run: brew test-bot --only-formulae
     YAML
 
     (tap.path/".github/workflows").mkpath