781             if not l:

   781             if not l:

   782                 break

   782                 break

   783             yield l

   783             yield l

   784 

   784 

   785 def scangitpatch(lr, firstline):

   785 def scangitpatch(lr, firstline):

   787     Git patches can emit:

   787     Git patches can emit:

   788     - rename a to b

   788     - rename a to b

   789     - change b

   789     - change b

   790     - copy a to c

   790     - copy a to c

   791     - change c

   791     - change c

   793     We cannot apply this sequence as-is, the renamed 'a' could not be

   793     We cannot apply this sequence as-is, the renamed 'a' could not be

   794     found for it would have been renamed already. And we cannot copy

   794     found for it would have been renamed already. And we cannot copy

   795     from 'b' instead because 'b' would have been changed already. So

   795     from 'b' instead because 'b' would have been changed already. So

   796     we scan the git patch for copy and rename commands so we can

   796     we scan the git patch for copy and rename commands so we can

   797     perform the copies ahead of time.

   797     perform the copies ahead of time.