Merge pull request #19135 from Homebrew/improve_quiet_output

formula_installer: improve quiet output.

Library/Homebrew/formula_installer.rb

@@ -440,7 +440,8 @@ def install
 
     # Warn if a more recent version of this formula is available in the tap.
     begin
-      if formula.pkg_version < (v = Formulary.factory(formula.full_name, force_bottle: force_bottle?).pkg_version)
+      if !quiet? &&
+         formula.pkg_version < (v = Formulary.factory(formula.full_name, force_bottle: force_bottle?).pkg_version)
         opoo "#{formula.full_name} #{v} is available and more recent than version #{formula.pkg_version}."
       end
     rescue FormulaUnavailableError
@@ -847,6 +848,7 @@ def caveats
     audit_installed if Homebrew::EnvConfig.developer?
 
     return if !installed_on_request? || installed_as_dependency?
+    return if quiet?
 
     caveats = Caveats.new(formula)
 
@@ -873,13 +875,15 @@ def finish
     Homebrew::Install.global_post_install
 
     if build_bottle? || skip_post_install?
-      if build_bottle?
-        ohai "Not running 'post_install' as we're building a bottle"
-      elsif skip_post_install?
-        ohai "Skipping 'post_install' on request"
+      unless quiet?
+        if build_bottle?
+          ohai "Not running 'post_install' as we're building a bottle"
+        elsif skip_post_install?
+          ohai "Skipping 'post_install' on request"
+        end
+        puts "You can run it manually using:"
+        puts "  brew postinstall #{formula.full_name}"
       end
-      puts "You can run it manually using:"
-      puts "  brew postinstall #{formula.full_name}"
     else
       formula.install_etc_var
       post_install if formula.post_install_defined?
@@ -1321,6 +1325,7 @@ def fetch
     fetch_dependencies
 
     return if only_deps?
+    return if formula.local_bottle_path.present?
 
     oh1 "Fetching #{Formatter.identifier(formula.full_name)}".strip
 
@@ -1347,8 +1352,7 @@ def fetch
     if check_attestation &&
        Homebrew::Attestation.enabled? &&
        formula.tap&.core_tap? &&
-       formula.name != "gh" &&
-       formula.local_bottle_path.blank?
+       formula.name != "gh"
       ohai "Verifying attestation for #{formula.name}"
       begin
         Homebrew::Attestation.check_core_attestation T.cast(downloadable_object, Bottle)