int twrp_tar_extract_wrapper(const char* popen_command, const char* backup_path, int callback) {
char tmp[PATH_MAX];
strcpy(tmp, popen_command);
set_perf_mode(1);
FILE *fp = __popen(tmp, "r");
if (fp == NULL) {
ui_print("Unable to execute tar.\n");
set_perf_mode(0);
return -1;
}
int nand_starts = 1;
last_size_update = 0;
while (fgets(tmp, PATH_MAX, fp) != NULL) {
#ifdef PHILZ_TOUCH_RECOVERY
if (user_cancel_nandroid(&fp, NULL, 0, &nand_starts)) {
set_perf_mode(0);
return -1;
}
#endif
tmp[PATH_MAX - 1] = '\0';
if (callback) {
update_size_progress(backup_path);
nandroid_callback(tmp);
}
}
#ifdef PHILZ_TOUCH_RECOVERY
ui_print_preset_colors(0, NULL);
#endif
set_perf_mode(0);
return __pclose(fp);
}
static int do_tar_extract(char* command, int callback) {
char buf[PATH_MAX];
set_perf_mode(1);
FILE *fp = __popen(command, "r");
if (fp == NULL) {
ui_print("Unable to execute tar command.\n");
set_perf_mode(0);
return -1;
}
while (fgets(buf, PATH_MAX, fp) != NULL) {
buf[PATH_MAX - 1] = '\0';
if (callback)
nandroid_callback(buf);
}
set_perf_mode(0);
return __pclose(fp);
}
static int do_tar_compress(char* command, int callback) {
char buf[PATH_MAX];
set_perf_mode(1);
FILE *fp = __popen(command, "r");
if (fp == NULL) {
#ifndef USE_CHINESE_FONT
ui_print("Unable to execute tar command!\n");
#else
ui_print("无法执行 tar 命令！\n");
#endif
set_perf_mode(0);
return -1;
}
while (fgets(buf, PATH_MAX, fp) != NULL) {
buf[PATH_MAX - 1] = '\0';
if (callback)
nandroid_callback(buf);
}
set_perf_mode(0);
return __pclose(fp);
}
int twrp_backup_wrapper(const char* backup_path, const char* backup_file_image, int callback) {
Volume *v = volume_for_path(backup_path);
if (v == NULL) {
ui_print("Unable to find volume.\n");
return -1;
}
if (!is_path_mounted(backup_path)) {
LOGE("Unable to find mounted volume: '%s'\n", v->mount_point);
return -1;
}
// Always use split format (simpler code) - Build lists of files to backup
char tmp[PATH_MAX];
int backup_count;
ui_print("Breaking backup file into multiple archives...\nGenerating file lists\n");
backup_count = Make_File_List(backup_path);
if (backup_count < 1) {
LOGE("Error generating file list!\n");
return -1;
}
// check we are not backing up an empty volume as it would fail to restore (tar: short read)
// check first if a filelist was generated. If not, ensure volume is 0 size. Else, it could be an error while
if (!file_found("/tmp/list/filelist000")) {
ui_print("Nothing to backup. Skipping %s\n", BaseName(backup_path));
return 0;
}
unsigned long long total_bsize = 0, file_size = 0;
int index;
int nand_starts = 1;
last_size_update = 0;
set_perf_mode(1);
for (index = 0; index < backup_count; index++)
{
compute_twrp_backup_stats(index);
// folder /data/media and google cached music are excluded from tar by Generate_File_Lists(...)
if (nandroid_get_default_backup_format() == NANDROID_BACKUP_FORMAT_TAR)
sprintf(tmp, "(tar -cpvf '%s%03i' -T /tmp/list/filelist%03i) 2> /proc/self/fd/1 ; exit $?", backup_file_image, index, index);
else
sprintf(tmp, "set -o pipefail ; (tar -cpv -T /tmp/list/filelist%03i | pigz -c -%d >'%s%03i') 2> /proc/self/fd/1 ; exit $?", index, compression_value.value, backup_file_image, index);
ui_print(" * Backing up archive %i/%i\n", (index + 1), backup_count);
FILE *fp = __popen(tmp, "r");
if (fp == NULL) {
LOGE("Unable to execute tar.\n");
set_perf_mode(0);
return -1;
}
while (fgets(tmp, PATH_MAX, fp) != NULL) {
#ifdef PHILZ_TOUCH_RECOVERY
if (user_cancel_nandroid(&fp, backup_file_image, 1, &nand_starts)) {
set_perf_mode(0);
return -1;
}
#endif
tmp[PATH_MAX - 1] = '\0';
if (callback) {
update_size_progress(backup_file_image);
nandroid_callback(tmp);
}
}
#ifdef PHILZ_TOUCH_RECOVERY
ui_print_preset_colors(0, NULL);
#endif
if (0 != __pclose(fp)) {
set_perf_mode(0);
return -1;
}
sprintf(tmp, "%s%03i", backup_file_image, index);
file_size = Get_File_Size(tmp);
if (file_size == 0) {
LOGE("Backup file size for '%s' is 0 bytes!\n", tmp);
set_perf_mode(0);
return -1;
}
total_bsize += file_size;
}
__system("cd /tmp && rm -rf list");
set_perf_mode(0);
ui_print("Total backup size:\n %llu bytes.\n", total_bsize);
return 0;
}
