ABUILD_SDK [Mi439] renard@sfosBUILD:~/hadk$ git clone https://github.com/LineageOS/android_device_xiaomi_mithorium-common.git -b lineage-21 vendor/xiaomi
Cloning into 'vendor/xiaomi'...
remote: Enumerating objects: 9338, done.
remote: Counting objects: 100% (1007/1007), done.
remote: Compressing objects: 100% (277/277), done.
remote: Total 9338 (delta 917), reused 730 (delta 730), pack-reused 8331 (from 3)
Receiving objects: 100% (9338/9338), 56.22 MiB | 26.77 MiB/s, done.
Resolving deltas: 100% (5527/5527), done.
HABUILD_SDK [Mi439] renard@sfosBUILD:~/hadk$ git clone https://github.com/TheMuppets/proprietary_vendor_xiaomi_Mi439.git -b lineage-21 vendor/xiaomi/Mi439
Cloning into 'vendor/xiaomi/Mi439'...
remote: Enumerating objects: 3583, done.
remote: Counting objects: 100% (72/72), done.
remote: Compressing objects: 100% (44/44), done.
remote: Total 3583 (delta 25), reused 58 (delta 17), pack-reused 3511 (from 1)
Receiving objects: 100% (3583/3583), 86.65 MiB | 23.80 MiB/s, done.
Resolving deltas: 100% (3229/3229), done.

/* ========================================================================== */

HABUILD_SDK [Mi439] renard@sfosBUILD:~/hadk$ breakfast $DEVICE
15:01:16 Build sandboxing disabled due to nsjail error.
In file included from build/make/core/config.mk:380:
In file included from build/make/core/envsetup.mk:369:
In file included from build/make/target/product/emulated_storage.mk:23:
device/xiaomi/mithorium-common/mithorium.mk:486: error:  vendor/xiaomi/mithorium-common/mithorium-common-vendor.mk does not exist..
15:01:16 dumpvars failed with: exit status 1
Device Mi439 not found. Attempting to retrieve device repository from LineageOS Github (http://github.com/LineageOS).
Found repository: android_device_xiaomi_Mi439
Default revision: lineage-21.0
Checking branch info
Using fallback branch: lineage-21
Checking if device/xiaomi/Mi439 is fetched from android_device_xiaomi_Mi439
LineageOS/android_device_xiaomi_Mi439 already fetched to device/xiaomi/Mi439
Syncing repository to retrieve project.
Syncing:  0% (0/1) 0:00 | 1 job | 0:00 LineageOS/android_device_xiaomi_Mi439 @ device/xiaomi..error.GitError: Cannot checkout LineageOS/android_device_xiaomi_Mi439: /home/renard/hadk/device/xiaomi/Mi439/.git: unsupported checkout state
Syncing: 100% (1/1), done in 0.508s
error: Unable to fully sync the tree
error: Checking out local projects failed.
Failing repos (checkout):
device/xiaomi/Mi439
Try re-running with "-j1 --fail-fast" to exit at the first error.
================================================================================
Repo command failed due to the following `SyncError` errors:
/home/renard/hadk/device/xiaomi/Mi439/.git: unsupported checkout state
Repository synced!
Looking for dependencies in device/xiaomi/Mi439
Looking for dependencies in device/xiaomi/mithorium-common
Looking for dependencies in kernel/xiaomi/msm8937
kernel/xiaomi/msm8937 has no additional dependencies.
Done
15:01:19 Build sandboxing disabled due to nsjail error.
In file included from build/make/core/config.mk:380:
In file included from build/make/core/envsetup.mk:369:
In file included from build/make/target/product/emulated_storage.mk:23:
device/xiaomi/mithorium-common/mithorium.mk:486: error:  vendor/xiaomi/mithorium-common/mithorium-common-vendor.mk does not exist..
15:01:19 dumpvars failed with: exit status 1
15:01:20 Build sandboxing disabled due to nsjail error.
In file included from build/make/core/config.mk:380:
In file included from build/make/core/envsetup.mk:369:
In file included from build/make/target/product/emulated_storage.mk:23:
device/xiaomi/mithorium-common/mithorium.mk:486: error:  vendor/xiaomi/mithorium-common/mithorium-common-vendor.mk does not exist..
15:01:20 dumpvars failed with: exit status 1

** Don't have a product spec for: 'lineage_Mi439'
** Do you have the right repo manifest?

/* ========================================================================== */

HABUILD_SDK [Mi439] renard@sfosBUILD:~/hadk$ tree -d -L 2 vendor/xiaomi/
vendor/xiaomi/
├── Mi439
│   └── proprietary
├── audio
├── charger_led
├── configs
│   ├── manifest
│   └── powerhint
├── dumpstate
├── fastboot
├── gps
│   ├── android
│   ├── batching
│   ├── core
│   ├── etc
│   ├── geofence
│   ├── gnss
│   ├── location
│   ├── pla
│   └── utils
├── keylayout
├── libinit
│   └── include
├── libshim
│   └── ims
├── lights
├── media
├── overlay
│   ├── frameworks
│   └── packages
├── overlay-lineage
│   ├── lineage-sdk
│   └── packages
├── parts
│   ├── res
│   └── src
├── rootdir
│   ├── bin
│   └── etc
├── rro_overlays
│   └── WifiOverlay
├── sepolicy
│   ├── legacy
│   ├── private
│   ├── public
│   └── vendor
├── subsystem_state_notifier
├── thermal
└── wifi