Revert "upgrade: announce usage of --all."

This reverts commit 9032f165bec3d0c7452169093fab32578816043b.

This seems to have been universally unpopular so let's revert it.

Closes Homebrew/homebrew#40372.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

1 files changed, 1 insertions, 13 deletions

diff --git a/Library/Homebrew/cmd/upgrade.rb b/Library/Homebrew/cmd/upgrade.rb
index 12833c15a..3c90c0c95 100644
--- a/Library/Homebrew/cmd/upgrade.rb
+++ b/Library/Homebrew/cmd/upgrade.rb
@@ -5,14 +5,7 @@ module Homebrew
   def upgrade
     Homebrew.perform_preinstall_checks
 
-    if ARGV.include?("--all") || ARGV.named.empty?
-      unless ARGV.include? "--all"
-        opoo <<-EOS.undent
-          brew upgrade with no arguments will change behaviour soon!
-          It currently upgrades all formula but this will soon change to require '--all'.
-          Please update any workflows, documentation and scripts!
-        EOS
-      end
+    if ARGV.named.empty?
       outdated = Homebrew.outdated_brews(Formula.installed)
       exit 0 if outdated.empty?
     elsif ARGV.named.any?
@@ -27,11 +20,6 @@ module Homebrew
         end
       end
       exit 1 if outdated.empty?
-    else
-      # This will currently never be reached but is implemented to make the
-      # migration to --all easier in the future (as just the ARGV.named.empty?
-      # will need removed above).
-      odie "Either --all or one or more formulae must be specified!"
     end
 
     unless upgrade_pinned?