feat: configure personal pull request review indicators

src/ruby_config.rb

@@ -157,6 +157,8 @@ module Vamp
       @diff_view_mode = "split"
       @diff_split_orientation = "vertical"
       @diff_follow_working_copy = true
+      @pull_request_review_requested_symbol = "🙏"
+      @pull_request_approved_symbol = "👍"
       @resolve_history_layout = "columns"
     end
 
@@ -327,6 +329,18 @@ module Vamp
       @diff_follow_working_copy = enabled
     end
 
+    # @param symbol [String] empty to hide the review-request indicator
+    # @return [String]
+    def pull_request_review_requested_symbol=(symbol)
+      @pull_request_review_requested_symbol = pull_request_symbol!(symbol, "pull_request_review_requested_symbol")
+    end
+
+    # @param symbol [String] empty to hide the approval indicator
+    # @return [String]
+    def pull_request_approved_symbol=(symbol)
+      @pull_request_approved_symbol = pull_request_symbol!(symbol, "pull_request_approved_symbol")
+    end
+
     # @param layout [String] "columns" or "base_below"
     # @return [String]
     def resolve_history_layout=(layout)
@@ -382,10 +396,19 @@ module Vamp
         "diff_context_lines" => @diff_context_lines, "diff_expand_lines" => @diff_expand_lines,
         "diff_view_mode" => @diff_view_mode, "diff_split_orientation" => @diff_split_orientation,
         "diff_follow_working_copy" => @diff_follow_working_copy,
+        "pull_request_review_requested_symbol" => @pull_request_review_requested_symbol,
+        "pull_request_approved_symbol" => @pull_request_approved_symbol,
         "resolve_history_layout" => @resolve_history_layout }
     end
 
     private
+
+    def pull_request_symbol!(symbol, label)
+      symbol = Vamp.string!(symbol, label)
+      raise ArgumentError, "#{label} must not contain control characters" if symbol.match?(/[[:cntrl:]]/)
+
+      symbol
+    end
     # @param spaces [Integer, nil]
     # @return [Integer, nil]
     def tab_spaces!(spaces)