Add to .repo/local_manifests/p2a42.xml:
<?xml version="1.0" encoding="UTF-8"?>
<manifest>
<remote name="Celoxocis"
fetch="https://github.com/Celoxocis" />
<remote name="omnirom"
fetch="https://github.com/omnirom" />
<remote name="CyanogenMod"
fetch="https://github.com/CyanogenMod" />
<project path="device/lenovo/p2a42" name="android_device_lenovo_P2a42" remote="Celoxocis" revision="cm-13.0" />
<project path="bootable/recovery-twrp" name="android_bootable_recovery" remote="omnirom" revision="android-7.1" />
<project path="external/busybox" name="android_external_busybox" remote="omnirom" revision="android-7.1" />
<remove-project path="external/f2fs-tools" name="CyanogenMod/android_external_f2fs-tools" groups="pdk" />
<project path="external/f2fs-tools" name="android_external_f2fs-tools" remote="omnirom" revision="android-7.1" />
<project path="device/qcom/common" name="android_device_qcom_common" remote="CyanogenMod" revision="cm-13.0" />
</manifest>Then run repo sync to check it out.
To build:
. build/envsetup.sh
lunch cm_p2a42-eng
make -j1 recoveryimage