search: add separate flag for formulae

Library/Homebrew/cmd/search.rb

@@ -36,6 +36,9 @@ module Homebrew
         If no <text> is provided, list all locally available formulae (including tapped ones).
         No online search is performed.
       EOS
+      switch "--formulae",
+             description: "List all locally available formulae. "\
+                          "No online search is performed."
       switch "--casks",
              description: "List all locally available casks (including tapped ones). "\
                           "No online search is performed."
@@ -65,6 +68,8 @@ module Homebrew
 
     if args.remaining.empty?
       if args.casks?
+        raise UsageError, "Cannot specify --formulae and --casks without an argument!" if args.formulae?
+
         puts Formatter.columns(Cask::Cask.to_a.map(&:full_name).sort)
       else
         puts Formatter.columns(Formula.full_names.sort)
@@ -88,14 +93,17 @@ module Homebrew
       local_casks = search_casks(string_or_regex)
       remote_casks = remote_results[:casks]
       all_casks = local_casks + remote_casks
+      print_formulae = args.formulae?
+      print_casks = args.casks?
+      print_formulae = print_casks = true if !print_formulae && !print_casks
 
-      if all_formulae.any?
+      if print_formulae && all_formulae.any?
         ohai "Formulae"
         puts Formatter.columns(all_formulae)
       end
 
-      if all_casks.any?
-        puts if all_formulae.any?
+      if print_casks && all_casks.any?
+        puts if args.formulae? && all_formulae.any?
         ohai "Casks"
         puts Formatter.columns(all_casks)
       end

docs/Manpage.md

@@ -425,6 +425,8 @@ search for *`text`* is extended online to `homebrew/core` and `homebrew/cask`.
 If no *`text`* is provided, list all locally available formulae (including tapped
 ones). No online search is performed.
 
+* `--formulae`:
+  List all locally available formulae. No online search is performed.
 * `--casks`:
   List all locally available casks (including tapped ones). No online search is performed.
 * `--desc`:

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" "February 2020" "Homebrew" "brew-cask"
+.TH "BREW\-CASK" "1" "March 2020" "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" "February 2020" "Homebrew" "brew"
+.TH "BREW" "1" "March 2020" "Homebrew" "brew"
 .
 .SH "NAME"
 \fBbrew\fR \- The Missing Package Manager for macOS
@@ -548,6 +548,10 @@ Perform a substring search of cask tokens and formula names for \fItext\fR\. If
 If no \fItext\fR is provided, list all locally available formulae (including tapped ones)\. No online search is performed\.
 .
 .TP
+\fB\-\-formulae\fR
+List all locally available formulae\. No online search is performed\.
+.
+.TP
 \fB\-\-casks\fR
 List all locally available casks (including tapped ones)\. No online search is performed\.
 .