From 2205f62ec672643b845579f8687b0372b256f485 Mon Sep 17 00:00:00 2001
From: Mike McQuaid
Date: Wed, 28 Feb 2018 11:36:23 +0000
Subject: irb: add pry support.

Make `brew irb` optionally support `pry`. While doing so, also make it a `dev-cmd`.
---
 Library/Homebrew/cmd/irb.rb             | 40 ------------------------
 Library/Homebrew/dev-cmd/irb.rb         | 54 +++++++++++++++++++++++++++++++++
 Library/Homebrew/extend/ARGV.rb         |  4 +++
 Library/Homebrew/manpages/brew.1.md.erb |  9 ++++--
 4 files changed, 64 insertions(+), 43 deletions(-)
 delete mode 100644 Library/Homebrew/cmd/irb.rb
 create mode 100644 Library/Homebrew/dev-cmd/irb.rb

(limited to 'Library')

diff --git a/Library/Homebrew/cmd/irb.rb b/Library/Homebrew/cmd/irb.rb
deleted file mode 100644
index 4cd3d4c9e..000000000
--- a/Library/Homebrew/cmd/irb.rb
+++ /dev/null
@@ -1,40 +0,0 @@
-#:  * `irb` [`--examples`]:
-#:    Enter the interactive Homebrew Ruby shell.
-#:
-#:    If `--examples` is passed, several examples will be shown.
-
-require "formula"
-require "keg"
-require "irb"
-
-class Symbol
-  def f(*args)
-    Formulary.factory(to_s, *args)
-  end
-end
-
-class String
-  def f(*args)
-    Formulary.factory(self, *args)
-  end
-end
-
-module Homebrew
-  module_function
-
-  def irb
-    $LOAD_PATH.unshift("#{HOMEBREW_LIBRARY_PATH}/cask/lib")
-    require "hbc"
-
-    if ARGV.include? "--examples"
-      puts "'v8'.f # => instance of the v8 formula"
-      puts ":hub.f.installed?"
-      puts ":lua.f.methods - 1.methods"
-      puts ":mpd.f.recursive_dependencies.reject(&:installed?)"
-    else
-      ohai "Interactive Homebrew Shell"
-      puts "Example commands available with: brew irb --examples"
-      IRB.start
-    end
-  end
-end
diff --git a/Library/Homebrew/dev-cmd/irb.rb b/Library/Homebrew/dev-cmd/irb.rb
new file mode 100644
index 000000000..700cbe009
--- /dev/null
+++ b/Library/Homebrew/dev-cmd/irb.rb
@@ -0,0 +1,54 @@
+#:  * `irb` [`--examples`] [`--pry`]:
+#:    Enter the interactive Homebrew Ruby shell.
+#:
+#:    If `--examples` is passed, several examples will be shown.
+#:    If `--pry` is passed or HOMEBREW_PRY is set, pry will be
+#:    used instead of irb.
+
+class Symbol
+  def f(*args)
+    Formulary.factory(to_s, *args)
+  end
+end
+
+class String
+  def f(*args)
+    Formulary.factory(self, *args)
+  end
+end
+
+module Homebrew
+  module_function
+
+  def irb
+    if ARGV.include? "--examples"
+      puts "'v8'.f # => instance of the v8 formula"
+      puts ":hub.f.installed?"
+      puts ":lua.f.methods - 1.methods"
+      puts ":mpd.f.recursive_dependencies.reject(&:installed?)"
+      return
+    end
+
+    if ARGV.pry?
+      Homebrew.install_gem_setup_path! "pry"
+      require "pry"
+      Pry.config.prompt_name = "brew"
+    else
+      require "irb"
+    end
+
+    require "formula"
+    require "keg"
+
+    $LOAD_PATH.unshift("#{HOMEBREW_LIBRARY_PATH}/cask/lib")
+    require "hbc"
+
+    ohai "Interactive Homebrew Shell"
+    puts "Example commands available with: brew irb --examples"
+    if ARGV.pry?
+      Pry.start
+    else
+      IRB.start
+    end
+  end
+end
diff --git a/Library/Homebrew/extend/ARGV.rb b/Library/Homebrew/extend/ARGV.rb
index d9da014f0..2bc84620a 100644
--- a/Library/Homebrew/extend/ARGV.rb
+++ b/Library/Homebrew/extend/ARGV.rb
@@ -267,6 +267,10 @@ module HomebrewArgvExtension
     include? "--fetch-HEAD"
   end
 
+  def pry?
+    include?("--pry") || !ENV["HOMEBREW_PRY"].nil?
+  end
+
   # eg. `foo -ns -i --bar` has three switches, n, s and i
   def switch?(char)
     return false if char.length > 1
diff --git a/Library/Homebrew/manpages/brew.1.md.erb b/Library/Homebrew/manpages/brew.1.md.erb
index 533e1d594..618e050f6 100644
--- a/Library/Homebrew/manpages/brew.1.md.erb
+++ b/Library/Homebrew/manpages/brew.1.md.erb
@@ -183,6 +183,10 @@ can take several different forms:
 
     *Note:* Homebrew doesn't require permissions for any of the scopes.
 
+  * `HOMEBREW_INSTALL_BADGE`:
+    Text printed before the installation summary of each successful build.
+    Defaults to the beer emoji.
+
   * `HOMEBREW_LOGS`:
     If set, Homebrew will use the given directory to store log files.
 
@@ -220,9 +224,8 @@ can take several different forms:
     If set, Homebrew will not use the GitHub API for e.g searches or
     fetching relevant issues on a failed install.
 
-  * `HOMEBREW_INSTALL_BADGE`:
-    Text printed before the installation summary of each successful build.
-    Defaults to the beer emoji.
+  * `HOMEBREW_PRY`:
+    If set, Homebrew will use `pry` for the `brew irb` command.
 
   * `HOMEBREW_SVN`:
     When exporting from Subversion, Homebrew will use `HOMEBREW_SVN` if set,
-- 
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