From f684a59fa5f8dfe6c1498bdd35d08d1e1ab60e92 Mon Sep 17 00:00:00 2001
From: Dustin Rodrigues <dust.rod@gmail.com>
Date: Sun, 14 Jun 2020 20:49:52 -0400
Subject: [PATCH] bump-formula-pr: search for closed dupe PRs

---
 Library/Homebrew/dev-cmd/bump-formula-pr.rb | 22 ++++++++++++---------
 Library/Homebrew/exceptions.rb              |  2 +-
 Library/Homebrew/utils/github.rb            |  6 ++----
 3 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/Library/Homebrew/dev-cmd/bump-formula-pr.rb b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
index c3426f0ae3..a718d92077 100644
--- a/Library/Homebrew/dev-cmd/bump-formula-pr.rb
+++ b/Library/Homebrew/dev-cmd/bump-formula-pr.rb
@@ -147,7 +147,6 @@ module Homebrew
     raise FormulaUnspecifiedError unless formula
 
     tap_full_name, origin_branch, previous_branch = use_correct_linux_tap(formula)
-    check_for_duplicate_pull_requests(formula, tap_full_name)
 
     requested_spec, formula_spec = if args.devel?
       devel_message = " (devel)"
@@ -315,6 +314,8 @@ module Homebrew
 
     new_formula_version = formula_version(formula, requested_spec, new_contents)
 
+    check_for_duplicate_pull_requests(formula, tap_full_name, new_formula_version.to_s)
+
     if !new_mirrors && !formula_spec.mirrors.empty?
       if args.force?
         opoo "#{formula}: Removing all mirrors because a --mirror= argument was not specified."
@@ -468,23 +469,26 @@ module Homebrew
     end
   end
 
-  def fetch_pull_requests(formula, tap_full_name)
-    GitHub.issues_for_formula(formula.name, tap_full_name: tap_full_name).select do |pr|
+  def fetch_pull_requests(query, tap_full_name, state: nil)
+    GitHub.issues_for_formula(query, tap_full_name: tap_full_name, state: state).select do |pr|
       pr["html_url"].include?("/pull/") &&
-        /(^|\s)#{Regexp.quote(formula.name)}(:|\s|$)/i =~ pr["title"]
+        /(^|\s)#{Regexp.quote(query)}(:|\s|$)/i =~ pr["title"]
     end
   rescue GitHub::RateLimitExceededError => e
     opoo e.message
     []
   end
 
-  def check_for_duplicate_pull_requests(formula, tap_full_name)
-    pull_requests = fetch_pull_requests(formula, tap_full_name)
-    return unless pull_requests
-    return if pull_requests.empty?
+  def check_for_duplicate_pull_requests(formula, tap_full_name, version)
+    # check for open requests
+    pull_requests = fetch_pull_requests(formula.name, tap_full_name, state: "open")
+
+    # if we haven't already found open requests, try for an exact match across all requests
+    pull_requests = fetch_pull_requests("#{formula.name} #{version}", tap_full_name) if pull_requests.blank?
+    return if pull_requests.blank?
 
     duplicates_message = <<~EOS
-      These open pull requests may be duplicates:
+      These pull requests may be duplicates:
       #{pull_requests.map { |pr| "#{pr["title"]} #{pr["html_url"]}" }.join("\n")}
     EOS
     error_message = "Duplicate PRs should not be opened. Use --force to override this error."
diff --git a/Library/Homebrew/exceptions.rb b/Library/Homebrew/exceptions.rb
index 94bcc05245..ba47d036b7 100644
--- a/Library/Homebrew/exceptions.rb
+++ b/Library/Homebrew/exceptions.rb
@@ -360,7 +360,7 @@ class BuildError < RuntimeError
   end
 
   def fetch_issues
-    GitHub.issues_for_formula(formula.name, tap: formula.tap)
+    GitHub.issues_for_formula(formula.name, tap: formula.tap, state: "open")
   rescue GitHub::RateLimitExceededError => e
     opoo e.message
     []
diff --git a/Library/Homebrew/utils/github.rb b/Library/Homebrew/utils/github.rb
index 556089c091..121e66b351 100644
--- a/Library/Homebrew/utils/github.rb
+++ b/Library/Homebrew/utils/github.rb
@@ -293,10 +293,8 @@ module GitHub
     search("code", **qualifiers)
   end
 
-  def issues_for_formula(name, options = {})
-    tap = options[:tap] || CoreTap.instance
-    tap_full_name = options[:tap_full_name] || tap.full_name
-    search_issues(name, state: "open", repo: tap_full_name, in: "title")
+  def issues_for_formula(name, tap: CoreTap.instance, tap_full_name: tap.full_name, state: nil)
+    search_issues(name, repo: tap_full_name, state: state, in: "title")
   end
 
   def user