Merge "fastboot: Delete logical "other" partitions on retrofit devices." (d57025dc) · Commits · e / os / android_system_core

fastboot/fastboot.cpp

+23 −0

Original line number	Diff line number	Diff line
		@@ -46,6 +46,7 @@
		#include <chrono>
		#include <functional>
		#include <regex>
		#include <string>
		#include <thread>
		#include <utility>
		#include <vector>
		@@ -78,6 +79,7 @@ using android::base::ReadFully;
		using android::base::Split;
		using android::base::Trim;
		using android::base::unique_fd;
		using namespace std::string_literals;

		static const char* serial = nullptr;

		@@ -1106,6 +1108,14 @@ static bool is_logical(const std::string& partition) {
		return fb->GetVar("is-logical:" + partition, &value) == fastboot::SUCCESS && value == "yes";
		}

		static bool is_retrofit_device() {
		std::string value;
		if (fb->GetVar("super-partition-name", &value) != fastboot::SUCCESS) {
		return false;
		}
		return android::base::StartsWith(value, "system_");
		}

		static void do_flash(const char* pname, const char* fname) {
		struct fastboot_buffer buf;

		@@ -1319,6 +1329,19 @@ void FlashAllTool::UpdateSuperPartition() {
		command += ":wipe";
		}
		fb->RawCommand(command, "Updating super partition");

		// Retrofit devices have two super partitions, named super_a and super_b.
		// On these devices, secondary slots must be flashed as physical
		// partitions (otherwise they would not mount on first boot). To enforce
		// this, we delete any logical partitions for the "other" slot.
		if (is_retrofit_device()) {
		for (const auto& [image, slot] : os_images_) {
		std::string partition_name = image->part_name + "_"s + slot;
		if (image->IsSecondary() && is_logical(partition_name)) {
		fb->DeletePartition(partition_name);
		}
		}
		}
		}

		class ZipImageSource final : public ImageSource {