bump-revision: add --remove-bottle-block option

This removes a bottle block for the specified formulae
while bumping the revision.

Library/Homebrew/cli/args.rbi

@@ -3,6 +3,9 @@
 module Homebrew
   module CLI
     class Args < OpenStruct
+      sig { returns(T::Boolean) }
+      def remove_bottle_block?; end
+
       sig { returns(T::Boolean) }
       def strict?; end
 

Library/Homebrew/dev-cmd/bump-revision.rb

@@ -18,6 +18,8 @@ module Homebrew
       EOS
       switch "-n", "--dry-run",
              description: "Print what would be done rather than doing it."
+      switch "--remove-bottle-block",
+             description: "Remove the bottle block in addition to bumping the revision."
       switch "--write-only",
              description: "Make the expected file modifications without taking any Git actions."
       flag   "--message=",
@@ -60,6 +62,7 @@ module Homebrew
         else
           formula_ast.replace_stanza(:revision, new_revision)
         end
+        formula_ast.remove_stanza(:bottle) if args.remove_bottle_block?
         formula.path.atomic_write(formula_ast.process)
       end
 

Library/Homebrew/test/utils/ast/formula_ast_spec.rb

@@ -46,6 +46,207 @@ describe Utils::AST::FormulaAST do
     end
   end
 
+  describe "#remove_stanza" do
+    context "when stanza to be removed is a single line followed by a blank line" do
+      subject(:formula_ast) do
+        described_class.new <<~RUBY.chomp
+          class Foo < Formula
+            url "https://brew.sh/foo-1.0.tar.gz"
+            license :cannot_represent
+
+            bottle do
+              sha256 "f7b1fc772c79c20fddf621ccc791090bc1085fcef4da6cca03399424c66e06ca" => :sierra
+            end
+          end
+        RUBY
+      end
+
+      let(:new_contents) do
+        <<~RUBY.chomp
+          class Foo < Formula
+            url "https://brew.sh/foo-1.0.tar.gz"
+
+            bottle do
+              sha256 "f7b1fc772c79c20fddf621ccc791090bc1085fcef4da6cca03399424c66e06ca" => :sierra
+            end
+          end
+        RUBY
+      end
+
+      it "removes the line containing the stanza" do
+        formula_ast.remove_stanza(:license)
+        expect(formula_ast.process).to eq(new_contents)
+      end
+    end
+
+    context "when stanza to be removed is a multiline block followed by a blank line" do
+      subject(:formula_ast) do
+        described_class.new <<~RUBY.chomp
+          class Foo < Formula
+            url "https://brew.sh/foo-1.0.tar.gz"
+            license all_of: [
+              :public_domain,
+              "MIT",
+              "GPL-3.0-or-later" => { with: "Autoconf-exception-3.0" },
+            ]
+
+            bottle do
+              sha256 "f7b1fc772c79c20fddf621ccc791090bc1085fcef4da6cca03399424c66e06ca" => :sierra
+            end
+          end
+        RUBY
+      end
+
+      let(:new_contents) do
+        <<~RUBY.chomp
+          class Foo < Formula
+            url "https://brew.sh/foo-1.0.tar.gz"
+
+            bottle do
+              sha256 "f7b1fc772c79c20fddf621ccc791090bc1085fcef4da6cca03399424c66e06ca" => :sierra
+            end
+          end
+        RUBY
+      end
+
+      it "removes the lines containing the stanza" do
+        formula_ast.remove_stanza(:license)
+        expect(formula_ast.process).to eq(new_contents)
+      end
+    end
+
+    context "when stanza to be removed has a comment on the same line" do
+      subject(:formula_ast) do
+        described_class.new <<~RUBY.chomp
+          class Foo < Formula
+            url "https://brew.sh/foo-1.0.tar.gz"
+            license :cannot_represent # comment
+
+            bottle do
+              sha256 "f7b1fc772c79c20fddf621ccc791090bc1085fcef4da6cca03399424c66e06ca" => :sierra
+            end
+          end
+        RUBY
+      end
+
+      let(:new_contents) do
+        <<~RUBY.chomp
+          class Foo < Formula
+            url "https://brew.sh/foo-1.0.tar.gz"
+             # comment
+
+            bottle do
+              sha256 "f7b1fc772c79c20fddf621ccc791090bc1085fcef4da6cca03399424c66e06ca" => :sierra
+            end
+          end
+        RUBY
+      end
+
+      it "removes the stanza but keeps the comment and its whitespace" do
+        formula_ast.remove_stanza(:license)
+        expect(formula_ast.process).to eq(new_contents)
+      end
+    end
+
+    context "when stanza to be removed has a comment on the next line" do
+      subject(:formula_ast) do
+        described_class.new <<~RUBY.chomp
+          class Foo < Formula
+            url "https://brew.sh/foo-1.0.tar.gz"
+            license :cannot_represent
+            # comment
+
+            bottle do
+              sha256 "f7b1fc772c79c20fddf621ccc791090bc1085fcef4da6cca03399424c66e06ca" => :sierra
+            end
+          end
+        RUBY
+      end
+
+      let(:new_contents) do
+        <<~RUBY.chomp
+          class Foo < Formula
+            url "https://brew.sh/foo-1.0.tar.gz"
+            # comment
+
+            bottle do
+              sha256 "f7b1fc772c79c20fddf621ccc791090bc1085fcef4da6cca03399424c66e06ca" => :sierra
+            end
+          end
+        RUBY
+      end
+
+      it "removes the stanza but keeps the comment" do
+        formula_ast.remove_stanza(:license)
+        expect(formula_ast.process).to eq(new_contents)
+      end
+    end
+
+    context "when stanza to be removed has newlines before and after" do
+      subject(:formula_ast) do
+        described_class.new <<~RUBY.chomp
+          class Foo < Formula
+            url "https://brew.sh/foo-1.0.tar.gz"
+
+            bottle do
+              sha256 "f7b1fc772c79c20fddf621ccc791090bc1085fcef4da6cca03399424c66e06ca" => :sierra
+            end
+
+            head do
+              url "https://brew.sh/foo.git"
+            end
+          end
+        RUBY
+      end
+
+      let(:new_contents) do
+        <<~RUBY.chomp
+          class Foo < Formula
+            url "https://brew.sh/foo-1.0.tar.gz"
+
+            head do
+              url "https://brew.sh/foo.git"
+            end
+          end
+        RUBY
+      end
+
+      it "removes the stanza and preceding newline" do
+        formula_ast.remove_stanza(:bottle)
+        expect(formula_ast.process).to eq(new_contents)
+      end
+    end
+
+    context "when stanza to be removed is at the end of the formula" do
+      subject(:formula_ast) do
+        described_class.new <<~RUBY.chomp
+          class Foo < Formula
+            url "https://brew.sh/foo-1.0.tar.gz"
+            license :cannot_represent
+
+            bottle do
+              sha256 "f7b1fc772c79c20fddf621ccc791090bc1085fcef4da6cca03399424c66e06ca" => :sierra
+            end
+          end
+        RUBY
+      end
+
+      let(:new_contents) do
+        <<~RUBY.chomp
+          class Foo < Formula
+            url "https://brew.sh/foo-1.0.tar.gz"
+            license :cannot_represent
+          end
+        RUBY
+      end
+
+      it "removes the stanza and preceding newline" do
+        formula_ast.remove_stanza(:bottle)
+        expect(formula_ast.process).to eq(new_contents)
+      end
+    end
+  end
+
   describe "#add_bottle_block" do
     let(:bottle_output) do
       <<~RUBY.chomp.indent(2)

Library/Homebrew/utils/ast.rb

@@ -114,6 +114,39 @@ module Utils
         add_stanza(:bottle, "\n#{bottle_output.chomp}", type: :block_call)
       end
 
+      sig { params(name: Symbol, type: T.nilable(Symbol)).void }
+      def remove_stanza(name, type: nil)
+        stanza_node = stanza(name, type: type)
+        raise "Could not find '#{name}' stanza!" if stanza_node.blank?
+
+        # stanza is probably followed by a newline character
+        # try to delete it if so
+        stanza_range = stanza_node.source_range
+        trailing_range = stanza_range.with(begin_pos: stanza_range.end_pos,
+                                           end_pos:   stanza_range.end_pos + 1)
+        if trailing_range.source.chomp.empty?
+          stanza_range = stanza_range.adjust(end_pos: 1)
+
+          # stanza_node is probably indented
+          # since a trailing newline has been removed,
+          # try to delete leading whitespace on line
+          leading_range = stanza_range.with(begin_pos: stanza_range.begin_pos - stanza_range.column,
+                                            end_pos:   stanza_range.begin_pos)
+          if leading_range.source.strip.empty?
+            stanza_range = stanza_range.adjust(begin_pos: -stanza_range.column)
+
+            # if the stanza was preceded by a blank line, it should be removed
+            # that is, if the two previous characters are newlines,
+            # then delete one of them
+            leading_range = stanza_range.with(begin_pos: stanza_range.begin_pos - 2,
+                                              end_pos:   stanza_range.begin_pos)
+            stanza_range = stanza_range.adjust(begin_pos: -1) if leading_range.source.chomp.chomp.empty?
+          end
+        end
+
+        tree_rewriter.remove(stanza_range)
+      end
+
       sig { params(name: Symbol, replacement: T.any(Numeric, String, Symbol), type: T.nilable(Symbol)).void }
       def replace_stanza(name, replacement, type: nil)
         stanza_node = stanza(name, type: type)