search: add two options

Library/Homebrew/cmd/search.rb

@@ -51,7 +51,13 @@ module Homebrew
                           "a name matching <text>."
       switch "--pull-request",
              description: "Search for GitHub pull requests containing <text>."
-
+      switch "--open",
+             depends_on:  "--pull-request",
+             description: "Search for only open GitHub pull requests"
+      switch "--closed",
+             depends_on:  "--pull-request",
+             description: "Search for only closed GitHub pull requests"
+      conflicts "--open", "--closed"
       package_manager_switches = PACKAGE_MANAGERS.keys.map { |name| "--#{name}" }
       package_manager_switches.each do |s|
         switch s,
@@ -91,7 +97,13 @@ module Homebrew
     if args.desc?
       search_descriptions(string_or_regex)
     elsif args.pull_request?
-      GitHub.print_pull_requests_matching(query)
+      only = if args.open? && !args.closed?
+        "open"
+      elsif args.closed? && !args.open?
+        "closed"
+      end
+
+      GitHub.print_pull_requests_matching(query, only)
     else
       remote_results = search_taps(query, silent: true)
 

Library/Homebrew/utils/github.rb

@@ -342,8 +342,8 @@ module GitHub
     open_api(url, data: data, request_method: :PUT, scopes: CREATE_ISSUE_FORK_OR_PR_SCOPES)
   end
 
-  def print_pull_requests_matching(query)
+  def print_pull_requests_matching(query, only = nil)
-    open_or_closed_prs = search_issues(query, type: "pr", user: "Homebrew")
+    open_or_closed_prs = search_issues(query, is: only, type: "pr", user: "Homebrew")
 
     open_prs, closed_prs = open_or_closed_prs.partition { |pr| pr["state"] == "open" }
                                              .map { |prs| prs.map { |pr| "#{pr["title"]} (#{pr["html_url"]})" } }

docs/Manpage.md

@@ -486,6 +486,10 @@ No online search is performed.
   Search for formulae with a description matching *`text`* and casks with a name matching *`text`*.
 * `--pull-request`:
   Search for GitHub pull requests containing *`text`*.
+* `--open`:
+  Search for only open GitHub pull requests
+* `--closed`:
+  Search for only closed GitHub pull requests
 * `--macports`:
   Search for *`text`* in the given package manager's list.
 * `--fink`:

manpages/brew.1

@@ -667,6 +667,14 @@ Search for formulae with a description matching \fItext\fR and casks with a name
 Search for GitHub pull requests containing \fItext\fR\.
 .
 .TP
+\fB\-\-open\fR
+Search for only open GitHub pull requests
+.
+.TP
+\fB\-\-closed\fR
+Search for only closed GitHub pull requests
+.
+.TP
 \fB\-\-macports\fR
 Search for \fItext\fR in the given package manager\'s list\.
 .