Clone this repo:
  1. 70ef33f Merge branch 'LA.BF64.1.2.2_rb4.1' of git://codeaurora.org/platform/bootable/recovery into caf-merge by Steve Kondik · 7 years ago mm6.0
  2. 4e77523 recovery:updater: Changes to support 32->64 bit upgrades by Ameya Thakur · 8 years ago
  3. e8baf4a recovery:updater: Changes to support 32->64 bit upgrades by padarshr · 7 years ago
  4. b9083e6 recovery: Allow device-specific reboot reason by David Ng · 7 years ago
  5. f5b6094 recovery: Add support for MDTP by Amit Blay · 7 years ago

The Recovery Image

Quick turn-around testing

mm -j && m ramdisk-nodeps && m recoveryimage-nodeps

# To boot into the new recovery image
# without flashing the recovery partition:
adb reboot bootloader
fastboot boot $ANDROID_PRODUCT_OUT/recovery.img