Rubocop autocorrected: Style/PerlBackrefs

.rubocop.yml

@@ -151,11 +151,6 @@ Style/Next:
 Style/OpMethod:
   Enabled: false
 
-# Offense count: 9
-# Cop supports --auto-correct.
-Style/PerlBackrefs:
-  Enabled: false
-
 # Offense count: 3
 # Cop supports --auto-correct.
 Style/Proc:

src/ruby/yast/builtins.rb

@@ -578,7 +578,7 @@ def self.sformat(format, *args)
         when "%%"
           "%"
         when /%([1-9])/
-          pos = $1.to_i - 1
+          pos = Regexp.last_match(1).to_i - 1
           if pos < args.size
             tostring args[pos]
           else
@@ -923,7 +923,7 @@ def self.tostring(val, width=nil)
         #   Yast:    <YCPRef:list <map> bar (list <map> a)>
         #   Ruby:    <YCPRef:list <map<any,any>> bar (list <map<any,any>>)>
         val.signature.match /(.*)\((.*)\)/
-        "<YCPRef:#{$1}#{val.remote_method.name} (#{$2})>"
+        "<YCPRef:#{Regexp.last_match(1)}#{val.remote_method.name} (#{Regexp.last_match(2)})>"
       else
         y2warning 1, "tostring builtin called on wrong type #{val.class}"
         return val.inspect

src/ruby/yast/logger.rb

@@ -22,7 +22,7 @@ def y2_logger_helper(level,args)
     res = Builtins.sformat(*args)
     res.gsub!(/%/,"%%") # reescape all %
     caller[caller_frame] =~ /(.+):(\d+):in `([^']+)'/
-    y2_logger(level, "Ruby", $1, $2.to_i, "", res)
+    y2_logger(level, "Ruby", Regexp.last_match(1), Regexp.last_match(2).to_i, "", res)
 
     if backtrace
       y2_logger_helper(level, [2, "------------- Backtrace begin -------------"])

src/ruby/yast/scr.rb

@@ -109,7 +109,7 @@ def self.UnmountAgent (path)
     def self.call_builtin_wrapper (*args)
       # caller[0] is one of the functions above
       caller[1].match BACKTRACE_REGEXP
-      call_builtin($1, $2.to_i, *args)
+      call_builtin(Regexp.last_match(1), Regexp.last_match(2).to_i, *args)
     end
   end
 end

src/ruby/yast/wfm.rb

@@ -178,7 +178,7 @@ def self.CallFunction(client, *args)
     def self.call_builtin_wrapper(*args)
       # caller[0] is one of the functions above
       caller[1].match BACKTRACE_REGEXP
-      call_builtin($1, $2.to_i, *args)
+      call_builtin(Regexp.last_match(1), Regexp.last_match(2).to_i, *args)
     end
 
     # @private wrapper to run client in ruby