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backup: support exclusion of user-defined directories from backups

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Example: TW_BACKUP_EXCLUSIONS := /data/fonts,/data/blah,/data/geewhiz

Change-Id: I99e690eb0879281b1149e60ff430b6b3e7dd93c2
(cherry picked from commit cc683e7a3deefb96ece49b07bf88648087a7ccaf)
This commit is contained in:
Darth9
2022-08-09 12:54:40 +01:00
committed by bigbiff
parent fcbaf814f3
commit 8c5088d5fc
2 changed files with 17 additions and 0 deletions
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Android.mk
+3
View File
@@ -408,6 +408,9 @@ endif
ifneq ($(TARGET_OTA_ASSERT_DEVICE),)
LOCAL_CFLAGS += -DTARGET_OTA_ASSERT_DEVICE='"$(TARGET_OTA_ASSERT_DEVICE)"'
endif
ifneq ($(TW_BACKUP_EXCLUSIONS),)
LOCAL_CFLAGS += -DTW_BACKUP_EXCLUSIONS='"$(TW_BACKUP_EXCLUSIONS)"'
endif
LOCAL_C_INCLUDES += system/vold \
partition.cpp
+14
View File
@@ -33,6 +33,7 @@
#include <zlib.h>
#include <sstream>
#include <android-base/properties.h>
#include <android-base/strings.h>
#include <libsnapshot/snapshot.h>
#include "cutils/properties.h"
@@ -1247,6 +1248,19 @@ void TWPartition::Setup_Data_Media() {
backup_exclusions.add_absolute_dir("/data/extm"); //exclude this dir to prevent "error 255" on MIUI
wipe_exclusions.add_absolute_dir(Mount_Point + "/misc/vold"); // adopted storage keys
ExcludeAll(Mount_Point + "/system/storage.xml");
// board-customisable exclusions
#ifdef TW_BACKUP_EXCLUSIONS
std::vector<std::string> user_extra_exclusions = TWFunc::Split_String(TW_BACKUP_EXCLUSIONS, ",");
std::string s1;
for (const std::string& extra_x : user_extra_exclusions) {
s1 = android::base::Trim(extra_x);
if (!s1.empty()) {
backup_exclusions.add_absolute_dir(s1);
LOGINFO("Adding user-defined path '%s' to the backup exclusions\n", s1.c_str());
}
}
#endif
} else {
int i;
string path;