PawletOS/android_bootable_recovery
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get_args: process /data/cache/command

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Change-Id: I744cdc5a72f53fd1224de242e30ff261e6104900
This commit is contained in:
bigbiff
2021-08-03 18:21:39 -04:00
parent b2cce1055e
commit aed1bdfe59
9 changed files with 50 additions and 31 deletions
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19
install/get_args.cpp
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@@ -1,8 +1,6 @@
#include "twinstall/get_args.h"
std::string stage;
bool has_cache = false;
static constexpr const char* COMMAND_FILE = "/cache/recovery/command";
// command line args come from, in decreasing precedence:
// - the actual command line
@@ -12,6 +10,7 @@ std::vector<std::string> args::get_args(const int *argc, char*** const argv) {
CHECK_GT(*argc, 0);
bootloader_message boot = {};
std::string err;
if (!read_bootloader_message(&boot, &err)) {
LOG(ERROR) << err;
@@ -54,22 +53,6 @@ std::vector<std::string> args::get_args(const int *argc, char*** const argv) {
}
}
// --- if that doesn't work, try the command file (if we have /cache).
if (args.size() == 1 && has_cache) {
std::string content;
if (ensure_path_mounted(COMMAND_FILE) == 0 &&
android::base::ReadFileToString(COMMAND_FILE, &content)) {
std::vector<std::string> tokens = android::base::Split(content, "\n");
// All the arguments in COMMAND_FILE are needed (unlike the BCB message,
// COMMAND_FILE doesn't use filename as the first argument).
for (auto it = tokens.begin(); it != tokens.end(); it++) {
// Skip empty and '\0'-filled tokens.
if (!it->empty() && (*it)[0] != '\0') args.push_back(std::move(*it));
}
LOG(INFO) << "Got " << args.size() << " arguments from " << COMMAND_FILE;
}
}
// Write the arguments (excluding the filename in args[0]) back into the
// bootloader control block. So the device will always boot into recovery to
// finish the pending work, until finish_recovery() is called.