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System_Property_Get: Allow specifying multiple prop file paths

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Some OEMs include prop files in custom locations. Add these to
a list and parse when setting properties.

Use the flag TW_SYSTEM_BUILD_PROP_ADDITIONAL_PATHS followed
by a semi-colon-separated list of paths (relative to /system)
where the additional prop files can be found.

The standard build.prop file does not need to be specified and
will always be parsed.

Example:
TW_SYSTEM_BUILD_PROP_ADDITIONAL_PATHS := etc/buildinfo/oem_build.prop;etc/prop.default

Change-Id: Ie0e25c7d2575d928310ff1b4fc1aef44a83784ca
This commit is contained in:
Captain Throwback
2022-01-02 16:02:04 -05:00
parent 922b121f31
commit a185252c8e
4 changed files with 30 additions and 15 deletions
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twrp.cpp
+17 -8
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@@ -174,6 +174,11 @@ static void process_recovery_mode(twrpAdbBuFifo* adb_bu_fifo, bool skip_decrypti
} else {
stringstream override_props(EXPAND(TW_OVERRIDE_SYSTEM_PROPS));
string current_prop;
std::vector<std::string> build_prop_list = {"build.prop"};
#ifdef TW_SYSTEM_BUILD_PROP_ADDITIONAL_PATHS
std::vector<std::string> additional_build_prop_list = TWFunc::Split_String(TW_SYSTEM_BUILD_PROP_ADDITIONAL_PATHS, ";");
build_prop_list.insert(build_prop_list.end(), additional_build_prop_list.begin(), additional_build_prop_list.end());
#endif
while (getline(override_props, current_prop, ';')) {
string other_prop;
if (current_prop.find("=") != string::npos) {
@@ -184,15 +189,19 @@ static void process_recovery_mode(twrpAdbBuFifo* adb_bu_fifo, bool skip_decrypti
}
other_prop = android::base::Trim(other_prop);
current_prop = android::base::Trim(current_prop);
string sys_val = TWFunc::System_Property_Get(other_prop, PartitionManager, PartitionManager.Get_Android_Root_Path().c_str());
if (!sys_val.empty()) {
LOGINFO("Overriding %s with value: \"%s\" from system property %s\n", current_prop.c_str(), sys_val.c_str(), other_prop.c_str());
int error = TWFunc::Property_Override(current_prop, sys_val);
if (error) {
LOGERR("Failed overriding property %s, error_code: %d\n", current_prop.c_str(), error);
for (auto&& prop_file:build_prop_list) {
string sys_val = TWFunc::System_Property_Get(other_prop, PartitionManager, PartitionManager.Get_Android_Root_Path().c_str(), prop_file);
if (!sys_val.empty()) {
LOGINFO("Overriding %s with value: \"%s\" from system property %s from %s\n", current_prop.c_str(), sys_val.c_str(), other_prop.c_str(), prop_file.c_str());
int error = TWFunc::Property_Override(current_prop, sys_val);
if (error) {
LOGERR("Failed overriding property %s, error_code: %d\n", current_prop.c_str(), error);
}
break;
} else {
LOGINFO("Not overriding %s with empty value from system property %s from %s\n", current_prop.c_str(), other_prop.c_str(), prop_file.c_str());
}
} else {
LOGINFO("Not overriding %s with empty value from system property %s\n", current_prop.c_str(), other_prop.c_str());
}
}
PartitionManager.UnMount_By_Path(PartitionManager.Get_Android_Root_Path(), false);