Merge "Add create_snapshot flag to specific output file path." into main (a876951f) · Commits · e / os / android_system_core

fs_mgr/libsnapshot/libsnapshot_cow/create_cow.cpp

+11 −1

Original line number	Diff line number	Diff line
		@@ -36,6 +36,10 @@

		DEFINE_string(source, "", "Source partition image");
		DEFINE_string(target, "", "Target partition image");
		DEFINE_string(
		output_dir, "",
		"Output directory to write the patch file to. Defaults to current working directory if "
		"not set.");
		DEFINE_string(compression, "lz4",
		"Compression algorithm. Default is set to lz4. Available options: lz4, zstd, gz");
		DEFINE_bool(merkel_tree, false, "If true, source image hash is obtained from verity merkel tree");
		@@ -569,12 +573,15 @@ SYNOPSIS

		source.img -> Source partition image
		target.img -> Target partition image
		compressoin -> compression algorithm. Default set to lz4. Supported types are gz, lz4, zstd.
		compression -> compression algorithm. Default set to lz4. Supported types are gz, lz4, zstd.
		merkel_tree -> If true, source image hash is obtained from verity merkel tree.
		output_dir -> Output directory to write the patch file to. Defaults to current working directory if not set.

		EXAMPLES

		$ create_snapshot $SOURCE_BUILD/system.img $TARGET_BUILD/system.img
		$ create_snapshot $SOURCE_BUILD/product.img $TARGET_BUILD/product.img --compression="zstd"
		$ create_snapshot $SOURCE_BUILD/product.img $TARGET_BUILD/product.img --merkel_tree --output_dir=/tmp/create_snapshot_output

		)";

		@@ -591,6 +598,9 @@ int main(int argc, char* argv[]) {
		std::string fname = android::base::Basename(FLAGS_target.c_str());
		auto parts = android::base::Split(fname, ".");
		std::string snapshotfile = parts[0] + ".patch";
		if (!FLAGS_output_dir.empty()) {
		snapshotfile = FLAGS_output_dir + "/" + snapshotfile;
		}
		android::snapshot::CreateSnapshot snapshot(FLAGS_source, FLAGS_target, snapshotfile,
		FLAGS_compression, FLAGS_merkel_tree);