From 92832c258c7a578e80781d5b200de146d5af931d Mon Sep 17 00:00:00 2001
From: botantony <antonsm21@gmail.com>
Date: Wed, 14 May 2025 11:12:25 +0200
Subject: [PATCH] dev-cmd/create: add `--cabal` switch

Signed-off-by: botantony <antonsm21@gmail.com>
---
 Library/Homebrew/dev-cmd/create.rb                     |  6 +++++-
 Library/Homebrew/formula_creator.rb                    | 10 ++++++++--
 .../sorbet/rbi/dsl/homebrew/dev_cmd/create.rbi         |  3 +++
 3 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/Library/Homebrew/dev-cmd/create.rb b/Library/Homebrew/dev-cmd/create.rb
index f89b3287a1..e3c4f660f8 100644
--- a/Library/Homebrew/dev-cmd/create.rb
+++ b/Library/Homebrew/dev-cmd/create.rb
@@ -20,6 +20,8 @@ module Homebrew
         EOS
         switch "--autotools",
                description: "Create a basic template for an Autotools-style build."
+        switch "--cabal",
+               description: "Create a basic template for a Cabal build."
         switch "--cask",
                description: "Create a basic template for a cask."
         switch "--cmake",
@@ -59,7 +61,7 @@ module Homebrew
         switch "-f", "--force",
                description: "Ignore errors for disallowed formula names and names that shadow aliases."
 
-        conflicts "--autotools", "--cmake", "--crystal", "--go", "--meson", "--node",
+        conflicts "--autotools", "--cabal", "--cmake", "--crystal", "--go", "--meson", "--node",
                   "--perl", "--python", "--ruby", "--rust", "--zig", "--cask"
         conflicts "--cask", "--HEAD"
         conflicts "--cask", "--set-license"
@@ -163,6 +165,8 @@ module Homebrew
           :crystal
         elsif args.go?
           :go
+        elsif args.cabal?
+          :cabal
         elsif args.meson?
           :meson
         elsif args.node?
diff --git a/Library/Homebrew/formula_creator.rb b/Library/Homebrew/formula_creator.rb
index 6bd6b0fdde..14096158ff 100644
--- a/Library/Homebrew/formula_creator.rb
+++ b/Library/Homebrew/formula_creator.rb
@@ -138,7 +138,10 @@ module Homebrew
           head "#{@url}"
         <% end %>
 
-        <% if @mode == :cmake %>
+        <% if @mode == :cabal %>
+          depends_on "cabal-install" => :build
+          depends_on "ghc" => :build
+        <% elsif @mode == :cmake %>
           depends_on "cmake" => :build
         <% elsif @mode == :crystal %>
           depends_on "crystal" => :build
@@ -172,7 +175,10 @@ module Homebrew
 
         <% end %>
           def install
-        <% if @mode == :cmake %>
+        <% if @mode == :cabal %>
+            system "cabal", "v2-update"
+            system "cabal", "v2-install", *std_cabal_v2_args
+        <% elsif @mode == :cmake %>
             system "cmake", "-S", ".", "-B", "build", *std_cmake_args
             system "cmake", "--build", "build"
             system "cmake", "--install", "build"
diff --git a/Library/Homebrew/sorbet/rbi/dsl/homebrew/dev_cmd/create.rbi b/Library/Homebrew/sorbet/rbi/dsl/homebrew/dev_cmd/create.rbi
index 150ac9e871..2912c9a025 100644
--- a/Library/Homebrew/sorbet/rbi/dsl/homebrew/dev_cmd/create.rbi
+++ b/Library/Homebrew/sorbet/rbi/dsl/homebrew/dev_cmd/create.rbi
@@ -17,6 +17,9 @@ class Homebrew::DevCmd::Create::Args < Homebrew::CLI::Args
   sig { returns(T::Boolean) }
   def autotools?; end
 
+  sig { returns(T::Boolean) }
+  def cabal?; end
+
   sig { returns(T::Boolean) }
   def cask?; end