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Introduce KEEPVBMETAFLAG env variable

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Close #4447, close #4906, close #4901, close #4964
This commit is contained in:
topjohnwu
2021-11-23 22:14:12 -08:00
parent 65a79610aa
commit 228570640e
4 changed files with 20 additions and 11 deletions
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4
native/jni/magiskboot/bootimg.cpp
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@ -768,7 +768,9 @@ void repack(const char *src_img, const char *out_img, bool skip_comp) {
memcpy(footer, boot.avb_footer, sizeof(AvbFooter));
footer->original_image_size = __builtin_bswap64(off.total);
footer->vbmeta_offset = __builtin_bswap64(off.vbmeta);
vbmeta->flags = __builtin_bswap32(3);
if (!check_env("KEEPVBMETAFLAG")) {
vbmeta->flags = __builtin_bswap32(3);
}
}
if (boot.flags[DHTB_FLAG]) {