edit: enable Sublime Text project view

Author: mistydemeo

Diff for: .gitignore

@@ -194,5 +194,7 @@
 # Unignore tests' bundle config
 !/Library/Homebrew/test/.bundle/config
 
-# Unignore vscode configuration
+# Unignore editor configuration
+!/.sublime
+/.sublime/homebrew.sublime-workspace
 !/.vscode

Diff for: .sublime/homebrew.sublime-project

@@ -0,0 +1,28 @@
+{
+	"folders":
+	[
+		{
+			"//": "Generated based on the contents of our .gitignore",
+			"path": "..",
+			"folder_exclude_patterns": [
+				"Caskroom",
+				"Cellar",
+				"Frameworks",
+				"bin",
+				"etc",
+				"include",
+				"lib",
+				"opt",
+				"sbin",
+				"share",
+				"var",
+				"Library/Homebrew/LinkedKegs",
+				"Library/Homebrew/Aliases"
+			],
+			"follow_symlinks": true
+		}
+	],
+    "settings": {
+        "tab_size": 2
+    }
+}

Diff for: Library/Homebrew/dev-cmd/edit.rb

@@ -40,16 +40,24 @@ def edit
       EOS
     end
 
-    paths = args.named.to_paths.select do |path|
-      next path if path.exist?
+    paths = if args.named.empty?
+      # Sublime requires opting into the project editing path,
+      # as opposed to VS Code which will infer from the .vscode path
+      if which_editor == "subl"
+        ["--project", "#{HOMEBREW_REPOSITORY}/.sublime/homebrew.sublime-project"]
+      else
+        # If no formulae are listed, open the project root in an editor.
+        [HOMEBREW_REPOSITORY]
+      end
+    else
+      args.named.to_paths.select do |path|
+        next path if path.exist?
 
-      raise UsageError, "#{path} doesn't exist on disk. " \
-                        "Run #{Formatter.identifier("brew create --set-name #{path.basename} $URL")} " \
-                        "to create a new formula!"
-    end.presence
-
-    # If no formulae are listed, open the project root in an editor.
-    paths ||= [HOMEBREW_REPOSITORY]
+        raise UsageError, "#{path} doesn't exist on disk. " \
+                          "Run #{Formatter.identifier("brew create --set-name #{path.basename} $URL")} " \
+                          "to create a new formula!"
+      end.presence
+    end
 
     exec_editor(*paths)
   end