workflows: cleanup/fix tapioca and spdx update.

.github/workflows/spdx.yml

-name: Update license data
+name: Update SPDX license data
 on:
   push:
     paths:
@@ -19,17 +19,33 @@ jobs:
         with:
           username: BrewTestBot
 
-      - name: Update license data
+      - name: Update SPDX license data
+        id: update
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           HOMEBREW_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           cd "$GITHUB_WORKSPACE/Library/Homebrew"
-          if brew update-license-data --commit --fail-if-not-changed; then
-            SPDX_VERSION=$(jq -er .licenseListVersion data/spdx/spdx_licenses.json)
-            if ! git ls-remote --exit-code --heads origin "spdx-$SPDX_VERSION"; then
-              git checkout -b "spdx-$SPDX_VERSION"
-              git push origin "spdx-$SPDX_VERSION"
-              hub pull-request -m "$(git log -1 --format='%s')"
+
+          if brew update-license-data --fail-if-not-changed; then
+            if ! git ls-remote --exit-code --heads origin spdx-update; then
+              git checkout -B spdx-update
+              git commit -am "spdx: update license data." -m "Autogenerated by [a scheduled GitHub Action](https://github.com/Homebrew/brew/blob/master/.github/workflows/spdx.yml)."
+              echo "::set-output name=committed::true"
             fi
           fi
+
+      - name: Push commits
+        if: steps.update.outputs.committed == 'true'
+        uses: Homebrew/actions/git-try-push@master
+        with:
+          token: ${{ secrets.HOMEBREW_GITHUB_API_TOKEN }}
+          branch: spdx-update
+
+      - name: Open a pull request
+        if: steps.update.outputs.committed == 'true'
+        run: |
+          cd "$GITHUB_WORKSPACE/Library/Homebrew"
+          hub pull-request --no-edit
+        env:
+          GITHUB_TOKEN: ${{ secrets.HOMEBREW_GITHUB_API_TOKEN }}

.github/workflows/tapioca-update.yml → .github/workflows/tapioca.yml

-name: Tapioca Update
+name: Update Tapioca definitions
 on:
   push:
     paths:
-      - .github/workflows/tapioca-update.yml
+      - .github/workflows/tapioca.yml
   schedule:
-    - cron: '0 0 */3 * *' # every three days
-env:
-  HOMEBREW_SORBET: 1
+    - cron: '0 */12 * * *'
 jobs:
-  update-tapioca:
+  tapioca:
     if: github.repository == 'Homebrew/brew'
     runs-on: ubuntu-latest
     steps:
@@ -21,37 +19,45 @@ jobs:
         with:
           username: BrewTestBot
 
+      # TODO: remove with `brew typecheck`
       - name: Set up Ruby
-        uses: ruby/setup-ruby@v1
+        uses: actions/setup-ruby@main
         with:
-          ruby-version: 2.6.3
+          ruby-version: '2.6'
+      - name: Install RubyGems
+        run: |
+          cd "$GITHUB_WORKSPACE/Library/Homebrew"
+          gem install bundler -v "~>1"
+          bundle install --jobs 4 --retry 3
 
-      - name: Update Tapioca Definitions
+      - name: Update Tapioca definitions
+        id: update
         run: |
           cd "$GITHUB_WORKSPACE/Library/Homebrew"
-          bundle install
+
+          # TODO: replace with `brew typecheck`
           bundle exec tapioca sync --exclude json
           bundle exec srb rbi hidden-definitions
-          if ! git diff --exit-code -- sorbet; then
-            BRANCH="tapioca-update"
-            if ! git ls-remote --exit-code --heads origin "$BRANCH"; then
-              git checkout -b "$BRANCH"
-              git commit -am "sorbet: Update gem RBI files using Tapioca
 
-              Autogenerated by [a scheduled GitHub Action](https://github.com/Homebrew/brew/actions?query=workflow%3A%22Tapioca+Update%22)."
+          git checkout -B tapioca-update
+          if ! git diff --exit-code -- sorbet; then
+            if ! git ls-remote --exit-code --heads origin tapioca-update; then
+              git commit -am "sorbet: update RBI files using Tapioca." -m "Autogenerated by [a scheduled GitHub Action](https://github.com/Homebrew/brew/blob/master/.github/workflows/tapioca.yml)."
+              echo "::set-output name=committed::true"
             fi
           fi
 
       - name: Push commits
+        if: steps.update.outputs.committed == 'true'
         uses: Homebrew/actions/git-try-push@master
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.HOMEBREW_GITHUB_API_TOKEN }}
           branch: tapioca-update
-          directory: Library/Homebrew/
 
-      - name: Open a PR
-        env:
-          GITHUB_TOKEN: ${{ secrets.HOMEBREW_GITHUB_API_TOKEN }}
+      - name: Open a pull request
+        if: steps.update.outputs.committed == 'true'
         run: |
           cd "$GITHUB_WORKSPACE/Library/Homebrew"
-          hub pull-request -m "$(git log -1 --format='%s%n%n%b')"
+          hub pull-request --no-edit
+        env:
+          GITHUB_TOKEN: ${{ secrets.HOMEBREW_GITHUB_API_TOKEN }}

Library/Homebrew/dev-cmd/update-license-data.rb

@@ -16,8 +16,6 @@ module Homebrew
       switch "--fail-if-not-changed",
              description: "Return a failing status code if current license data's version is the same as " \
                           "the upstream. This can be used to notify CI when the SPDX license data is out of date."
-      switch "--commit",
-             description: "Commit changes to the SPDX license data."
       max_named 0
     end
   end
@@ -27,14 +25,8 @@ module Homebrew
     ohai "Updating SPDX license data..."
 
     SPDX.download_latest_license_data!
+    return unless args.fail_if_not_changed?
 
-    Homebrew.failed = system("git", "diff", "--stat", "--exit-code", SPDX::DATA_PATH) if args.fail_if_not_changed?
-
-    return unless args.commit?
-
-    ohai "git add"
-    safe_system "git", "add", SPDX::DATA_PATH
-    ohai "git commit"
-    system "git", "commit", "--message", "spdx license data: update to #{SPDX.latest_tag}"
+    Homebrew.failed = system("git", "diff", "--stat", "--exit-code", SPDX::DATA_PATH)
   end
 end

docs/Manpage.md

@@ -1198,8 +1198,6 @@ working directory.
 
 * `--fail-if-not-changed`:
   Return a failing status code if current license data's version is the same as the upstream. This can be used to notify CI when the SPDX license data is out of date.
-* `--commit`:
-  Commit changes to the SPDX license data.
 
 ### `update-python-resources` [*`options`*] *`formula`*
 

manpages/brew.1

@@ -1636,10 +1636,6 @@ Update SPDX license data in the Homebrew repository\.
 \fB\-\-fail\-if\-not\-changed\fR
 Return a failing status code if current license data\'s version is the same as the upstream\. This can be used to notify CI when the SPDX license data is out of date\.
 .
-.TP
-\fB\-\-commit\fR
-Commit changes to the SPDX license data\.
-.
 .SS "\fBupdate\-python\-resources\fR [\fIoptions\fR] \fIformula\fR"
 Update versions for PyPI resource blocks in \fIformula\fR\.
 .