pr-publish: support dispatching with autosquash

Library/Homebrew/dev-cmd/pr-publish.rb

@@ -14,6 +14,12 @@ module Homebrew
         Publish bottles for a pull request with GitHub Actions.
         Requires write access to the repository.
       EOS
+      switch "--autosquash",
+             description: "If supported on the target tap, automatically reformat and reword commits "\
+                          "in the pull request to our preferred format."
+      flag   "--message=",
+             depends_on:  "--autosquash",
+             description: "Message to include when autosquashing revision bumps, deletions, and rebuilds."
       flag   "--tap=",
              description: "Target tap repository (default: `homebrew/core`)."
       flag   "--workflow=",
@@ -30,6 +36,11 @@ module Homebrew
     workflow = args.workflow || "publish-commit-bottles.yml"
     ref = "master"
 
+    extra_args = []
+    extra_args << "--autosquash" if args.autosquash?
+    extra_args << "--message='#{args.message}'" if args.message.presence
+    dispatch_args = extra_args.join " "
+
     args.named.uniq.each do |arg|
       arg = "#{tap.default_remote}/pull/#{arg}" if arg.to_i.positive?
       url_match = arg.match HOMEBREW_PULL_OR_COMMIT_URL_REGEX
@@ -40,7 +51,7 @@ module Homebrew
       end
 
       ohai "Dispatching #{tap} pull request ##{issue}"
-      GitHub.workflow_dispatch_event(user, repo, workflow, ref, pull_request: issue)
+      GitHub.workflow_dispatch_event(user, repo, workflow, ref, pull_request: issue, args: dispatch_args)
     end
   end
 end

docs/Manpage.md

@@ -1119,6 +1119,10 @@ Find pull requests that can be automatically merged using `brew pr-publish`.
 Publish bottles for a pull request with GitHub Actions.
 Requires write access to the repository.
 
+* `--autosquash`:
+  If supported on the target tap, automatically reformat and reword commits in the pull request to our preferred format.
+* `--message`:
+  Message to include when autosquashing revision bumps, deletions, and rebuilds.
 * `--tap`:
   Target tap repository (default: `homebrew/core`).
 * `--workflow`:

manpages/brew.1

@@ -1576,6 +1576,14 @@ Include pull requests that have failing status checks\.
 Publish bottles for a pull request with GitHub Actions\. Requires write access to the repository\.
 .
 .TP
+\fB\-\-autosquash\fR
+If supported on the target tap, automatically reformat and reword commits in the pull request to our preferred format\.
+.
+.TP
+\fB\-\-message\fR
+Message to include when autosquashing revision bumps, deletions, and rebuilds\.
+.
+.TP
 \fB\-\-tap\fR
 Target tap repository (default: \fBhomebrew/core\fR)\.
 .