Construct recovery from boot
mkdir -p out/target/product/blade2/obj/PACKAGING/recovery_patch_intermediates/
PATH=out/host/linux-x86/bin:$PATH out/host/linux-x86/bin/imgdiff out/target/product/blade2/boot.img out/target/product/blade2/recovery.img out/target/product/blade2/obj/PACKAGING/recovery_patch_intermediates/recovery_from_boot.p
source and target don't have same number of chunks!
source chunks:
chunk 0: type 0 start 0 len 3233802
chunk 1: type 2 start 3233802 len 348416
chunk 2: type 0 start 3445889 len 895
target chunks:
chunk 0: type 0 start 0 len 18966
chunk 1: type 2 start 18966 len 5732960
chunk 2: type 0 start 2595036 len 1838
chunk 3: type 2 start 2596874 len 2630912
chunk 4: type 0 start 4439020 len 1044
make: *** [out/target/product/blade2/obj/PACKAGING/recovery_patch_intermediates/recovery_from_boot.p] Error 1