Get rid of even more T.musts

Co-authored-by: Mike McQuaid <[email protected]>

Library/Homebrew/dev-cmd/bump-formula-pr.rb

@@ -147,7 +147,6 @@ def run
         new_mirrors ||= args.mirror
         new_mirror ||= determine_mirror(T.must(new_url))
         new_mirrors ||= [new_mirror] if new_mirror.present?
-
         check_for_mirrors(formula, old_mirrors, T.must(new_mirrors)) if new_url.present?
 
         old_hash = formula_spec.checksum&.hexdigest
@@ -179,7 +178,7 @@ def run
               EOS
             end
             check_new_version(formula, tap_remote_repo, url: old_url, tag: new_tag) if new_version.blank?
-            resource_path, forced_version = fetch_resource_and_forced_version(formula, T.must(new_version), old_url,
+            resource_path, forced_version = fetch_resource_and_forced_version(formula, new_version, old_url,
                                                                               tag: new_tag)
             new_revision = Utils.popen_read("git", "-C", resource_path.to_s, "rev-parse", "-q", "--verify", "HEAD")
             new_revision = new_revision.strip
@@ -207,7 +206,7 @@ def run
             EOS
           end
           check_new_version(formula, tap_remote_repo, url: new_url) if new_version.blank?
-          resource_path, forced_version = fetch_resource_and_forced_version(formula, T.must(new_version), new_url)
+          resource_path, forced_version = fetch_resource_and_forced_version(formula, new_version, new_url)
           Utils::Tar.validate_file(resource_path)
           new_hash = resource_path.sha256
         end
@@ -483,7 +482,9 @@ def check_new_version(formula, tap_remote_repo, version: nil, url: nil, tag: nil
         if version.nil?
           specs = {}
           specs[:tag] = tag if tag.present?
-          version = Version.detect(T.must(url), **specs).to_s
+          return if url.blank?
+
+          version = Version.detect(url, **specs).to_s
           return if version.blank?
         end
 
@@ -558,7 +559,9 @@ def run_audit(formula, alias_rename, old_contents)
           end
           return
         end
-        FileUtils.mv T.must(alias_rename.first), T.must(alias_rename.last) if alias_rename.present?
+        if alias_rename && (source = alias_rename.first) && (destination = alias_rename.last)
+          FileUtils.mv source, destination
+        end
         failed_audit = false
         if args.no_audit?
           ohai "Skipping `brew audit`"
@@ -572,7 +575,9 @@ def run_audit(formula, alias_rename, old_contents)
         return unless failed_audit
 
         formula.path.atomic_write(old_contents)
-        FileUtils.mv T.must(alias_rename.last), T.must(alias_rename.first) if alias_rename.present?
+        if alias_rename && (source = alias_rename.first) && (destination = alias_rename.last)
+          FileUtils.mv source, destination
+        end
         odie "`brew audit` failed!"
       end
     end