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shakalaca/gist:f9a17b2348e59027708d

Created March 23, 2015 16:14
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gistfile1.txt
保險起見，把所有必要檔案都 push 到 /data/local/tmp:
system/etc/recovery-resource.dat
boot.img
recovery/bin/install-recovery.sh
recovery/recovery-from-boot.p
接著 adb shell 切換到 /data/local/tmp，首先看一下 install-recovery.sh 的內容：
if ! applypatch -c EMMC:/dev/block/by-name/recovery:11956952:83a5dd9cab2246e73ecf9dffec6eef261bc40bf2; then
applypatch -b /system/etc/recovery-resource.dat EMMC:/dev/block/by-name/boot:11940568:7c26793576dfff95aa2f88df7e5638126f2eb1c4 EMMC:/dev/block/by-name/recovery 83a5dd9cab2246e73ecf9dffec6eef261bc40bf2 11956952 7c26793576dfff95aa2f88df7e5638126f2eb1c4:/system/recovery-from-boot.p && log -t recovery "Installing new recovery image: succeeded" || log -t recovery "Installing new recovery image: failed"
else
log -t recovery "Recovery image already installed"
fi
我們要看的只有 applypatch 那行，接下來把 boot & recovery & patch 帶換成我們推進去的檔案，可以得到這樣的指令：
applypatch -b recovery-resource.dat boot.img recovery.img 83a5dd9cab2246e73ecf9dffec6eef261bc40bf2 11956952 7c26793576dfff95aa2f88df7e5638126f2eb1c4:recovery-from-boot.p
直接執行，即可在 /data/local/tmp 目錄下取得 recovery.img
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