From 16293c0a68622dee1497b36be8aef9d8a6dc064f Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Mon, 9 Jan 2017 21:07:55 +0000
Subject: [PATCH] formula_installer: use installed_* variables.

Also, report formulae installed on request. This is useful in
differentiating between those formulae that are popular because they
are widely requested and those that are popular because they are widely
depended on.
---
 Library/Homebrew/formula_installer.rb | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/Library/Homebrew/formula_installer.rb b/Library/Homebrew/formula_installer.rb
index 55e9832648..d9127f6541 100644
--- a/Library/Homebrew/formula_installer.rb
+++ b/Library/Homebrew/formula_installer.rb
@@ -36,6 +36,7 @@ class FormulaInstaller
   mode_attr_accessor :build_from_source, :force_bottle
   mode_attr_accessor :ignore_deps, :only_deps, :interactive, :git
   mode_attr_accessor :verbose, :debug, :quieter
+  mode_attr_accessor :installed_as_dependency, :installed_on_request
 
   def initialize(formula)
     @formula = formula
@@ -50,6 +51,8 @@ class FormulaInstaller
     @verbose = false
     @quieter = false
     @debug = false
+    @installed_as_dependency = false
+    @installed_on_request = true
     @options = Options.new
     @invalid_option_names = []
     @requirement_messages = []
@@ -250,6 +253,12 @@ class FormulaInstaller
       category = "install"
       action = ([formula.full_name] + options).join(" ")
       Utils::Analytics.report_event(category, action)
+
+      if installed_on_request
+        category = "install_on_request"
+        action = ([formula.full_name] + options).join(" ")
+        Utils::Analytics.report_event(category, action)
+      end
     end
 
     @@attempted << formula
@@ -287,6 +296,12 @@ class FormulaInstaller
       brew_prefix = formula.prefix/".brew"
       brew_prefix.mkdir
       Pathname(brew_prefix/"#{formula.name}.rb").atomic_write(s)
+
+      keg = Keg.new(formula.prefix)
+      tab = Tab.for_keg(keg)
+      tab.installed_as_dependency = installed_as_dependency
+      tab.installed_on_request = installed_on_request
+      tab.write
     end
 
     build_bottle_postinstall if build_bottle?
@@ -483,6 +498,8 @@ class FormulaInstaller
     fi.build_from_source  = ARGV.build_formula_from_source?(df)
     fi.verbose            = verbose? && !quieter?
     fi.debug              = debug?
+    fi.installed_as_dependency = true
+    fi.installed_on_request = false
     fi.prelude
     oh1 "Installing #{formula.full_name} dependency: #{Formatter.identifier(dep.name)}"
     fi.install
@@ -809,6 +826,8 @@ class FormulaInstaller
     tab.time = Time.now.to_i
     tab.head = HOMEBREW_REPOSITORY.git_head
     tab.source["path"] = formula.specified_path.to_s
+    tab.installed_as_dependency = installed_as_dependency
+    tab.installed_on_request = installed_on_request
     tab.write
   end