23 lines
		
	
	
		
			602 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			23 lines
		
	
	
		
			602 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
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| 
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| module Utils
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|   def self.clear_svn_version_cache
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|     remove_instance_variable(:@svn) if instance_variable_defined?(:@svn)
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|   end
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| 
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|   def self.svn_available?
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|     return @svn if instance_variable_defined?(:@svn)
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| 
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|     @svn = quiet_system HOMEBREW_SHIMS_PATH/"scm/svn", "--version"
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|   end
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| 
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|   def self.svn_remote_exists?(url)
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|     return true unless svn_available?
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| 
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|     # OK to unconditionally trust here because we're just checking if
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|     # a URL exists.
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|     quiet_system "svn", "ls", url, "--depth", "empty",
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|                  "--non-interactive", "--trust-server-cert"
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|   end
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| end
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