diff --git a/Library/Homebrew/unpack_strategy.rb b/Library/Homebrew/unpack_strategy.rb
index 8d56e405e3..9540b4029b 100644
--- a/Library/Homebrew/unpack_strategy.rb
+++ b/Library/Homebrew/unpack_strategy.rb
@@ -1,8 +1,12 @@
 # frozen_string_literal: true
 
+# Module containing all available strategies for unpacking archives.
+#
+# @api private
 module UnpackStrategy
+  # Helper module for identifying the file type.
   module Magic
-    # length of the longest regex (currently Tar)
+    # Length of the longest regex (currently Tar).
     MAX_MAGIC_NUMBER_LENGTH = 262
 
     refine Pathname do
@@ -31,18 +35,18 @@ module UnpackStrategy
 
   def self.strategies
     @strategies ||= [
-      Tar, # needs to be before Bzip2/Gzip/Xz/Lzma
+      Tar, # Needs to be before Bzip2/Gzip/Xz/Lzma.
       Pax,
       Gzip,
       Lzma,
       Xz,
       Lzip,
-      Air, # needs to be before Zip
-      Jar, # needs to be before Zip
-      LuaRock, # needs to be before Zip
-      MicrosoftOfficeXml, # needs to be before Zip
+      Air, # Needs to be before `Zip`.
+      Jar, # Needs to be before `Zip`.
+      LuaRock, # Needs to be before `Zip`.
+      MicrosoftOfficeXml, # Needs to be before `Zip`.
       Zip,
-      Pkg, # needs to be before Xar
+      Pkg, # Needs to be before `Xar`.
       Xar,
       Ttf,
       Otf,
@@ -50,10 +54,10 @@ module UnpackStrategy
       Mercurial,
       Subversion,
       Cvs,
-      SelfExtractingExecutable, # needs to be before Cab
+      SelfExtractingExecutable, # Needs to be before `Cab`.
       Cab,
       Executable,
-      Dmg, # needs to be before Bzip2
+      Dmg, # Needs to be before `Bzip2`.
       Bzip2,
       Fossil,
       Bazaar,
diff --git a/Library/Homebrew/unpack_strategy/air.rb b/Library/Homebrew/unpack_strategy/air.rb
index 480a5281de..47a2a7f6b9 100644
--- a/Library/Homebrew/unpack_strategy/air.rb
+++ b/Library/Homebrew/unpack_strategy/air.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking Adobe Air archives.
   class Air
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/bazaar.rb b/Library/Homebrew/unpack_strategy/bazaar.rb
index fd3d1bd7a1..3bb3c4d6b1 100644
--- a/Library/Homebrew/unpack_strategy/bazaar.rb
+++ b/Library/Homebrew/unpack_strategy/bazaar.rb
@@ -3,6 +3,7 @@
 require_relative "directory"
 
 module UnpackStrategy
+  # Strategy for unpacking Bazaar archives.
   class Bazaar < Directory
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/bzip2.rb b/Library/Homebrew/unpack_strategy/bzip2.rb
index fd9592d78f..9eff311a83 100644
--- a/Library/Homebrew/unpack_strategy/bzip2.rb
+++ b/Library/Homebrew/unpack_strategy/bzip2.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking bzip2 archives.
   class Bzip2
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/cab.rb b/Library/Homebrew/unpack_strategy/cab.rb
index 9de498ce03..f36fa1f580 100644
--- a/Library/Homebrew/unpack_strategy/cab.rb
+++ b/Library/Homebrew/unpack_strategy/cab.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking Cabinet archives.
   class Cab
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/compress.rb b/Library/Homebrew/unpack_strategy/compress.rb
index cf9101f726..668272df85 100644
--- a/Library/Homebrew/unpack_strategy/compress.rb
+++ b/Library/Homebrew/unpack_strategy/compress.rb
@@ -3,6 +3,7 @@
 require_relative "tar"
 
 module UnpackStrategy
+  # Strategy for unpacking compress archives.
   class Compress < Tar
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/cvs.rb b/Library/Homebrew/unpack_strategy/cvs.rb
index 7991c674cd..36e4d506e4 100644
--- a/Library/Homebrew/unpack_strategy/cvs.rb
+++ b/Library/Homebrew/unpack_strategy/cvs.rb
@@ -3,6 +3,7 @@
 require_relative "directory"
 
 module UnpackStrategy
+  # Strategy for unpacking CVS repositories.
   class Cvs < Directory
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/directory.rb b/Library/Homebrew/unpack_strategy/directory.rb
index d749339835..06d8dd9888 100644
--- a/Library/Homebrew/unpack_strategy/directory.rb
+++ b/Library/Homebrew/unpack_strategy/directory.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking directories.
   class Directory
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/dmg.rb b/Library/Homebrew/unpack_strategy/dmg.rb
index f6d34c4205..b263d56e87 100644
--- a/Library/Homebrew/unpack_strategy/dmg.rb
+++ b/Library/Homebrew/unpack_strategy/dmg.rb
@@ -3,9 +3,11 @@
 require "tempfile"
 
 module UnpackStrategy
+  # Strategy for unpacking disk images.
   class Dmg
     include UnpackStrategy
 
+    # Helper module for listing the contents of a volume mounted from a disk image.
     module Bom
       DMG_METADATA = Set.new(%w[
                                .background
@@ -23,11 +25,12 @@ module UnpackStrategy
       private_constant :DMG_METADATA
 
       refine Pathname do
+        # Check if path is considered disk image metadata.
         def dmg_metadata?
           DMG_METADATA.include?(cleanpath.ascend.to_a.last.to_s)
         end
 
-        # symlinks to system directories (commonly to /Applications)
+        # Check if path is a symlink to a system directory (commonly to /Applications).
         def system_dir_symlink?
           symlink? && MacOS.system_dir?(dirname.join(readlink))
         end
@@ -48,9 +51,9 @@ module UnpackStrategy
     end
     private_constant :Bom
 
-    using Bom
-
+    # Strategy for unpacking a volume mounted from a disk image.
     class Mount
+      using Bom
       include UnpackStrategy
 
       def eject(verbose: false)
diff --git a/Library/Homebrew/unpack_strategy/executable.rb b/Library/Homebrew/unpack_strategy/executable.rb
index 82a84e1448..57e99908f0 100644
--- a/Library/Homebrew/unpack_strategy/executable.rb
+++ b/Library/Homebrew/unpack_strategy/executable.rb
@@ -3,6 +3,7 @@
 require_relative "uncompressed"
 
 module UnpackStrategy
+  # Strategy for unpacking executables.
   class Executable < Uncompressed
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/fossil.rb b/Library/Homebrew/unpack_strategy/fossil.rb
index 6b7a5d9310..ea7f2216b8 100644
--- a/Library/Homebrew/unpack_strategy/fossil.rb
+++ b/Library/Homebrew/unpack_strategy/fossil.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking Fossil repositories.
   class Fossil
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/generic_unar.rb b/Library/Homebrew/unpack_strategy/generic_unar.rb
index 347dd6ac19..5458141748 100644
--- a/Library/Homebrew/unpack_strategy/generic_unar.rb
+++ b/Library/Homebrew/unpack_strategy/generic_unar.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking archives with `unar`.
   class GenericUnar
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/git.rb b/Library/Homebrew/unpack_strategy/git.rb
index 4aefb640d3..c704f13a47 100644
--- a/Library/Homebrew/unpack_strategy/git.rb
+++ b/Library/Homebrew/unpack_strategy/git.rb
@@ -3,6 +3,7 @@
 require_relative "directory"
 
 module UnpackStrategy
+  # Strategy for unpacking Git repositories.
   class Git < Directory
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/gzip.rb b/Library/Homebrew/unpack_strategy/gzip.rb
index 5db11be724..8f576788d5 100644
--- a/Library/Homebrew/unpack_strategy/gzip.rb
+++ b/Library/Homebrew/unpack_strategy/gzip.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking gzip archives.
   class Gzip
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/jar.rb b/Library/Homebrew/unpack_strategy/jar.rb
index 9827cc62c1..8fc3a70476 100644
--- a/Library/Homebrew/unpack_strategy/jar.rb
+++ b/Library/Homebrew/unpack_strategy/jar.rb
@@ -3,6 +3,7 @@
 require_relative "uncompressed"
 
 module UnpackStrategy
+  # Strategy for unpacking Java archives.
   class Jar < Uncompressed
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/lha.rb b/Library/Homebrew/unpack_strategy/lha.rb
index 0527013208..d3bfcaf87e 100644
--- a/Library/Homebrew/unpack_strategy/lha.rb
+++ b/Library/Homebrew/unpack_strategy/lha.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking LHa archives.
   class Lha
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/lua_rock.rb b/Library/Homebrew/unpack_strategy/lua_rock.rb
index 70759c981e..8517b140e5 100644
--- a/Library/Homebrew/unpack_strategy/lua_rock.rb
+++ b/Library/Homebrew/unpack_strategy/lua_rock.rb
@@ -3,6 +3,7 @@
 require_relative "uncompressed"
 
 module UnpackStrategy
+  # Strategy for unpacking LuaRock archives.
   class LuaRock < Uncompressed
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/lzip.rb b/Library/Homebrew/unpack_strategy/lzip.rb
index 121dea7a77..687917cea4 100644
--- a/Library/Homebrew/unpack_strategy/lzip.rb
+++ b/Library/Homebrew/unpack_strategy/lzip.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking lzip archives.
   class Lzip
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/lzma.rb b/Library/Homebrew/unpack_strategy/lzma.rb
index 257fb75984..006fcfb741 100644
--- a/Library/Homebrew/unpack_strategy/lzma.rb
+++ b/Library/Homebrew/unpack_strategy/lzma.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking LZMA archives.
   class Lzma
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/mercurial.rb b/Library/Homebrew/unpack_strategy/mercurial.rb
index 4799a5e0c1..7e0d3b64d2 100644
--- a/Library/Homebrew/unpack_strategy/mercurial.rb
+++ b/Library/Homebrew/unpack_strategy/mercurial.rb
@@ -3,6 +3,7 @@
 require_relative "directory"
 
 module UnpackStrategy
+  # Strategy for unpacking Mercurial repositories.
   class Mercurial < Directory
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/microsoft_office_xml.rb b/Library/Homebrew/unpack_strategy/microsoft_office_xml.rb
index 869c0debbd..8c3463be08 100644
--- a/Library/Homebrew/unpack_strategy/microsoft_office_xml.rb
+++ b/Library/Homebrew/unpack_strategy/microsoft_office_xml.rb
@@ -3,6 +3,7 @@
 require_relative "uncompressed"
 
 module UnpackStrategy
+  # Strategy for unpacking Microsoft Office documents.
   class MicrosoftOfficeXml < Uncompressed
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/otf.rb b/Library/Homebrew/unpack_strategy/otf.rb
index ff4c20662b..17b55ed7a6 100644
--- a/Library/Homebrew/unpack_strategy/otf.rb
+++ b/Library/Homebrew/unpack_strategy/otf.rb
@@ -3,6 +3,7 @@
 require_relative "uncompressed"
 
 module UnpackStrategy
+  # Strategy for unpacking OpenType fonts.
   class Otf < Uncompressed
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/p7zip.rb b/Library/Homebrew/unpack_strategy/p7zip.rb
index 6110a275bc..df77933191 100644
--- a/Library/Homebrew/unpack_strategy/p7zip.rb
+++ b/Library/Homebrew/unpack_strategy/p7zip.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking P7ZIP archives.
   class P7Zip
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/pax.rb b/Library/Homebrew/unpack_strategy/pax.rb
index bd1fe0d1e7..89138e5779 100644
--- a/Library/Homebrew/unpack_strategy/pax.rb
+++ b/Library/Homebrew/unpack_strategy/pax.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking pax archives.
   class Pax
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/pkg.rb b/Library/Homebrew/unpack_strategy/pkg.rb
index 10ae040241..8dad4a4436 100644
--- a/Library/Homebrew/unpack_strategy/pkg.rb
+++ b/Library/Homebrew/unpack_strategy/pkg.rb
@@ -3,6 +3,7 @@
 require_relative "uncompressed"
 
 module UnpackStrategy
+  # Strategy for unpacking macOS package installers.
   class Pkg < Uncompressed
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/rar.rb b/Library/Homebrew/unpack_strategy/rar.rb
index 64604792a8..5863b07422 100644
--- a/Library/Homebrew/unpack_strategy/rar.rb
+++ b/Library/Homebrew/unpack_strategy/rar.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking RAR archives.
   class Rar
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/self_extracting_executable.rb b/Library/Homebrew/unpack_strategy/self_extracting_executable.rb
index 298070fde3..9de9120b02 100644
--- a/Library/Homebrew/unpack_strategy/self_extracting_executable.rb
+++ b/Library/Homebrew/unpack_strategy/self_extracting_executable.rb
@@ -3,6 +3,7 @@
 require_relative "generic_unar"
 
 module UnpackStrategy
+  # Strategy for unpacking self-extracting executables.
   class SelfExtractingExecutable < GenericUnar
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/sit.rb b/Library/Homebrew/unpack_strategy/sit.rb
index 9f537d64e8..5ec16b48ab 100644
--- a/Library/Homebrew/unpack_strategy/sit.rb
+++ b/Library/Homebrew/unpack_strategy/sit.rb
@@ -3,6 +3,7 @@
 require_relative "generic_unar"
 
 module UnpackStrategy
+  # Strategy for unpacking Stuffit archives.
   class Sit < GenericUnar
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/subversion.rb b/Library/Homebrew/unpack_strategy/subversion.rb
index c9dbfdc644..0c90b36605 100644
--- a/Library/Homebrew/unpack_strategy/subversion.rb
+++ b/Library/Homebrew/unpack_strategy/subversion.rb
@@ -3,6 +3,7 @@
 require_relative "directory"
 
 module UnpackStrategy
+  # Strategy for unpacking Subversion repositories.
   class Subversion < Directory
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/tar.rb b/Library/Homebrew/unpack_strategy/tar.rb
index 17be99f406..25c30973dd 100644
--- a/Library/Homebrew/unpack_strategy/tar.rb
+++ b/Library/Homebrew/unpack_strategy/tar.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking tar archives.
   class Tar
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/ttf.rb b/Library/Homebrew/unpack_strategy/ttf.rb
index c3107d6594..54c6a6bd82 100644
--- a/Library/Homebrew/unpack_strategy/ttf.rb
+++ b/Library/Homebrew/unpack_strategy/ttf.rb
@@ -3,6 +3,7 @@
 require_relative "uncompressed"
 
 module UnpackStrategy
+  # Strategy for unpacking TrueType fonts.
   class Ttf < Uncompressed
     using Magic
 
diff --git a/Library/Homebrew/unpack_strategy/uncompressed.rb b/Library/Homebrew/unpack_strategy/uncompressed.rb
index be11b25c26..ea7f943a20 100644
--- a/Library/Homebrew/unpack_strategy/uncompressed.rb
+++ b/Library/Homebrew/unpack_strategy/uncompressed.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking uncompressed files.
   class Uncompressed
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/xar.rb b/Library/Homebrew/unpack_strategy/xar.rb
index 29d0e71783..69422eb660 100644
--- a/Library/Homebrew/unpack_strategy/xar.rb
+++ b/Library/Homebrew/unpack_strategy/xar.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking xar archives.
   class Xar
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/xz.rb b/Library/Homebrew/unpack_strategy/xz.rb
index a0ce3fbc16..29ac0c182d 100644
--- a/Library/Homebrew/unpack_strategy/xz.rb
+++ b/Library/Homebrew/unpack_strategy/xz.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking xz archives.
   class Xz
     include UnpackStrategy
 
diff --git a/Library/Homebrew/unpack_strategy/zip.rb b/Library/Homebrew/unpack_strategy/zip.rb
index 80eee72886..e58e556c7c 100644
--- a/Library/Homebrew/unpack_strategy/zip.rb
+++ b/Library/Homebrew/unpack_strategy/zip.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 module UnpackStrategy
+  # Strategy for unpacking ZIP archives.
   class Zip
     include UnpackStrategy