Merge "sparse_img.py: Don't write empty map groups."

2015-06-27 16:37:39 +00:00
parent c94a705f44 a89781204e
commit 5df6b5c346
1 changed files with 8 additions and 3 deletions
--- a/tools/releasetools/sparse_img.py
+++ b/tools/releasetools/sparse_img.py
@@ -221,8 +221,13 @@ class SparseImage(object):
          nonzero_blocks.append(b)
          nonzero_blocks.append(b+1)

+    assert zero_blocks or nonzero_blocks or clobbered_blocks
+
+    if zero_blocks:
      out["__ZERO"] = rangelib.RangeSet(data=zero_blocks)
+    if nonzero_blocks:
      out["__NONZERO"] = rangelib.RangeSet(data=nonzero_blocks)
+    if clobbered_blocks:
      out["__COPY"] = clobbered_blocks

  def ResetFileMap(self):