lib/prick/ext/expand_variables.rb in prick-0.42.1 vs lib/prick/ext/expand_variables.rb in prick-0.43.0

@@ -12,11 +12,11 @@
 # present in the template string
 #
 def expand_variables(str, variables) # ChatGPT
   # Replace escaped bashslashes and dollar signs
   str = str.gsub('\\\\', "\x00").gsub('\\$', "\x01")
-  
+
   # Expand variables
   str.gsub!(/\$(\w+)\b|\$\{(\w+)\}/) do |match| # Strange that '\b' is necessary
     key = $1 || $2
 #   variables[key] || match
     variables[key] || ""
@@ -28,13 +28,20 @@
 
 # Return true if any of the variables will be expanded
 def expand_variables?(str, variables)
   # Replace escaped bashslashes and dollar signs
   str = str.gsub('\\\\', "\x00").gsub('\\$', "\x01")
-  
+
   # Look for expansion
   str.gsub!(/\$(\w+)\b|\$\{(\w+)\}/) do |match| # Strange that '\b' is necessary
     return true if variables.include?($1 || $2)
   end
 
   return false
+end
+
+# Return true if the string contains a variable
+def has_variables?(str)
+  # Replace escaped bashslashes and dollar signs
+  str = str.gsub('\\\\', "\x00").gsub('\\$', "\x01")
+  !(str =~ /\$[a-zA-Z{]/).nil?
 end