From 87492f8fbe7dca02b585d682d1fb7ad891d51d6e Mon Sep 17 00:00:00 2001
From: thibhero <thibaut.herault@gmail.com>
Date: Wed, 5 Feb 2025 20:50:05 -0500
Subject: [PATCH] fetching dependencies and calculating bottle and install size

---
 Library/Homebrew/cmd/install.rb | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/Library/Homebrew/cmd/install.rb b/Library/Homebrew/cmd/install.rb
index cd31c888be..471d63a48c 100644
--- a/Library/Homebrew/cmd/install.rb
+++ b/Library/Homebrew/cmd/install.rb
@@ -120,6 +120,9 @@ module Homebrew
           [:switch, "--overwrite", {
             description: "Delete files that already exist in the prefix while linking.",
           }],
+          [:switch, "--ask", {
+            description: "Ask for confirmation before downloading and installing software. Print bottles and dependencies download size and install size.",
+          }]
         ].each do |args|
           options = args.pop
           send(*args, **options)
@@ -302,6 +305,35 @@ module Homebrew
         Install.perform_preinstall_checks_once
         Install.check_cc_argv(args.cc)
 
+        if args.ask?
+          ohai "Looking for dependencies..."
+          installed_formulae.each do |f|
+            if (bottle = f.bottle)
+              begin
+                package = []
+                bottle.fetch_tab(quiet: !args.debug?)
+                bottle_size = bottle.bottle_size
+                installed_size = bottle.installed_size
+                package.push(f, f.recursive_dependencies)
+                unless f.deps.empty?
+                  puts "Packages : #{package.join(", ")}\n\n"
+                  f.recursive_dependencies.each do |dep|
+                    bottle = dep.to_formula.bottle
+                    bottle.fetch_tab(quiet: !args.debug?)
+                    bottle_size += bottle.bottle_size if bottle.bottle_size
+                    installed_size += bottle.installed_size if bottle.installed_size
+                  end
+                  puts "Bottle Size: #{disk_usage_readable(bottle_size)}" if bottle_size
+                  puts "Installed Size: #{disk_usage_readable(installed_size)}" if installed_size
+                  return
+                end
+              rescue RuntimeError => e
+                odebug e
+              end
+            end
+          end
+        end
+
         Install.install_formulae(
           installed_formulae,
           build_bottle:               args.build_bottle?,