Make `ohai`, `oh1` and `odebug` use `#debug?` and `verbose?` of the current object when possible.

Library/Homebrew/formula_installer.rb

@@ -939,7 +939,7 @@ class FormulaInstaller
     log.mkpath if formula.plist.include? log.to_s
   rescue Exception => e # rubocop:disable Lint/RescueException
     onoe "Failed to install plist file"
-    ohai e, e.backtrace if debug?
+    odebug e, e.backtrace
     Homebrew.failed = true
   end
 
@@ -949,7 +949,7 @@ class FormulaInstaller
     onoe "Failed to fix install linkage"
     puts "The formula built, but you may encounter issues using it or linking other"
     puts "formulae against it."
-    ohai e, e.backtrace if debug?
+    odebug e, e.backtrace
     Homebrew.failed = true
     @show_summary_heading = true
   end
@@ -960,7 +960,7 @@ class FormulaInstaller
   rescue Exception => e # rubocop:disable Lint/RescueException
     opoo "The cleaning step did not complete successfully"
     puts "Still, the installation was successful, so we will link it into your prefix"
-    ohai e, e.backtrace if debug?
+    odebug e, e.backtrace
     Homebrew.failed = true
     @show_summary_heading = true
   end
@@ -996,7 +996,7 @@ class FormulaInstaller
   rescue Exception => e # rubocop:disable Lint/RescueException
     opoo "The post-install step did not complete successfully"
     puts "You can try again using `brew postinstall #{formula.full_name}`"
-    ohai e, e.backtrace if debug? || Homebrew::EnvConfig.developer?
+    odebug e, e.backtrace, always_display: Homebrew::EnvConfig.developer?
     Homebrew.failed = true
     @show_summary_heading = true
   end

Library/Homebrew/utils.rb

@@ -86,7 +86,13 @@ module Kernel
   end
 
   def ohai_title(title)
-    title = Tty.truncate(title) if $stdout.tty? && !Homebrew.args.verbose?
+    verbose = if respond_to?(:verbose?)
+      verbose?
+    else
+      Homebrew.args.verbose?
+    end
+
+    title = Tty.truncate(title) if $stdout.tty? && !verbose
     Formatter.headline(title, color: :blue)
   end
 
@@ -95,15 +101,27 @@ module Kernel
     puts sput
   end
 
-  def odebug(title, *sput)
-    return unless Homebrew.args.debug?
+  def odebug(title, *sput, always_display: false)
+    debug = if respond_to?(:debug?)
+      debug?
+    else
+      Homebrew.args.debug?
+    end
+
+    return unless debug || always_display
 
     puts Formatter.headline(title, color: :magenta)
     puts sput unless sput.empty?
   end
 
-  def oh1(title, options = {})
-    title = Tty.truncate(title) if $stdout.tty? && !Homebrew.args.verbose? && options.fetch(:truncate, :auto) == :auto
+  def oh1(title, truncate: :auto)
+    verbose = if respond_to?(:verbose?)
+      verbose?
+    else
+      Homebrew.args.verbose?
+    end
+
+    title = Tty.truncate(title) if $stdout.tty? && !verbose && truncate == :auto
     puts Formatter.headline(title, color: :green)
   end