build_image: support non-sparse right-sized images
Allow right-size to support images that are not sparse.
This is in support of cuttlefish.
Test: build
Bug: 122328872
Change-Id: Ic8ef968e750203dffde7044bc6dfc71c1e283158
diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
index 29d3633..521b319 100755
--- a/tools/releasetools/build_image.py
+++ b/tools/releasetools/build_image.py
@@ -79,22 +79,26 @@
return output.count('\n') * 2
-def GetFilesystemCharacteristics(sparse_image_path):
- """Returns various filesystem characteristics of "sparse_image_path".
+def GetFilesystemCharacteristics(image_path, sparse_image=True):
+ """Returns various filesystem characteristics of "image_path".
Args:
- sparse_image_path: The file to analyze.
+ image_path: The file to analyze.
+ sparse_image: Image is sparse
Returns:
The characteristics dictionary.
"""
- unsparse_image_path = UnsparseImage(sparse_image_path, replace=False)
+ unsparse_image_path = image_path
+ if sparse_image:
+ unsparse_image_path = UnsparseImage(image_path, replace=False)
cmd = ["tune2fs", "-l", unsparse_image_path]
try:
output = common.RunAndCheckOutput(cmd, verbose=False)
finally:
- os.remove(unsparse_image_path)
+ if sparse_image:
+ os.remove(unsparse_image_path)
fs_dict = {}
for line in output.splitlines():
fields = line.split(":")
@@ -414,7 +418,10 @@
"First Pass based on estimates of %d MB and %s inodes.",
size // BYTES_IN_MB, prop_dict["extfs_inode_count"])
BuildImageMkfs(in_dir, prop_dict, out_file, target_out, fs_config)
- fs_dict = GetFilesystemCharacteristics(out_file)
+ sparse_image = False
+ if "extfs_sparse_flag" in prop_dict:
+ sparse_image = True
+ fs_dict = GetFilesystemCharacteristics(out_file, sparse_image)
os.remove(out_file)
block_size = int(fs_dict.get("Block size", "4096"))
free_size = int(fs_dict.get("Free blocks", "0")) * block_size