Add HOMEBREW_DISPLAY_INSTALL_TIMES

Fixes #6300

Library/Homebrew/cmd/install.rb

@@ -78,6 +78,7 @@ module Homebrew
       switch :verbose,
              description: "Print the verification and postinstall steps."
       switch "--display-times",
+             env:         :display_install_times,
              description: "Print install times for each formula at the end of the run."
       switch "-i", "--interactive",
              description: "Download and patch <formula>, then open a shell. This allows the user to "\

Library/Homebrew/cmd/reinstall.rb

@@ -35,6 +35,7 @@ module Homebrew
       switch :verbose,
              description: "Print the verification and postinstall steps."
       switch "--display-times",
+             env:         :display_install_times,
              description: "Print install times for each formula at the end of the run."
       conflicts "--build-from-source", "--force-bottle"
       formula_options

Library/Homebrew/cmd/upgrade.rb

@@ -45,6 +45,7 @@ module Homebrew
       switch :verbose,
              description: "Print the verification and postinstall steps."
       switch "--display-times",
+             env:         :display_install_times,
              description: "Print install times for each formula at the end of the run."
       conflicts "--build-from-source", "--force-bottle"
       formula_options

Library/Homebrew/manpages/brew.1.md.erb

@@ -174,6 +174,9 @@ Note that environment variables must have a value set to be detected. For exampl
 
     *Default:* the value of the user's `DISPLAY` environment variable.
 
+  * `HOMEBREW_DISPLAY_INSTALL_TIMES`:
+    If set, Homebrew will print install times for each formula at the end of the run.
+
   * `HOMEBREW_EDITOR`:
     If set, Homebrew will use this editor when editing a single formula, or
     several formulae in the same directory.

Library/Homebrew/messages.rb

@@ -22,7 +22,7 @@ class Messages
 
   def display_messages
     display_caveats
-    display_install_times if ARGV.include?("--display-times")
+    display_install_times if Homebrew.args.display_times?
   end
 
   def display_caveats

Library/Homebrew/test/messages_spec.rb

@@ -74,7 +74,7 @@ describe Messages do
 
     context "when the --display-times argument is present" do
       before do
-        allow(ARGV).to receive(:include?).with("--display-times").and_return(true)
+        allow(Homebrew.args).to receive(:display_times?).and_return(true)
       end
 
       context "when install_times is empty" do

docs/Manpage.md

@@ -1061,6 +1061,9 @@ Note that environment variables must have a value set to be detected. For exampl
 
     *Default:* the value of the user's `DISPLAY` environment variable.
 
+  * `HOMEBREW_DISPLAY_INSTALL_TIMES`:
+    If set, Homebrew will print install times for each formula at the end of the run.
+
   * `HOMEBREW_EDITOR`:
     If set, Homebrew will use this editor when editing a single formula, or
     several formulae in the same directory.

manpages/brew-cask.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BREW\-CASK" "1" "May 2019" "Homebrew" "brew-cask"
+.TH "BREW\-CASK" "1" "July 2019" "Homebrew" "brew-cask"
 .
 .SH "NAME"
 \fBbrew\-cask\fR \- a friendly binary installer for macOS

manpages/brew.1

@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BREW" "1" "May 2019" "Homebrew" "brew"
+.TH "BREW" "1" "July 2019" "Homebrew" "brew"
 .
 .SH "NAME"
 \fBbrew\fR \- The missing package manager for macOS
@@ -1297,6 +1297,10 @@ If set, Homebrew will use this X11 display when opening a page in a browser, for
 \fIDefault:\fR the value of the user\'s \fBDISPLAY\fR environment variable\.
 .
 .TP
+\fBHOMEBREW_DISPLAY_INSTALL_TIMES\fR
+If set, Homebrew will print install times for each formula at the end of the run\.
+.
+.TP
 \fBHOMEBREW_EDITOR\fR
 If set, Homebrew will use this editor when editing a single formula, or several formulae in the same directory\.
 .