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====== Information ======

  * Custom builds of LineageOS for the Nexus 6
  * lineage-15.0 branch

===== Prerequisites =====

  * [[distros:fedora_workstation_gnome | Fedora Workstation]]

====== xda-developers ======

  * https://forum.xda-developers.com/nexus-6/development/rom-lineageos-easy-microg-unifiednlp-t3632360

====== Dependencies ======

****

  sudo dnf install java-1.8.0-openjdk-devel ImageMagick-devel patch ncurses-compat-libs schedtool libstdc++.i686 glibc.i686 m4 xz-lzma-compat gcc && sync

====== Prepare Build Environment ======

===== Cleanup =====

****

  cd ~ && sudo rm -Rf ~/'android/lineage-15.0/'* ~/'.ccache' ~/'.jack-server' ~/'.jack-settings' && sync

===== Install git-repo =====

  * https://code.google.com/archive/p/git-repo

  mkdir -p ~/'bin' && wget -O ~/'bin/repo' 'https://storage.googleapis.com/git-repo-downloads/repo' && chmod +x ~/'bin/repo'

===== Configure Git =====

  nano ~/'.gitconfig'

  [user]
  email = espionage724@x
  name = Sean Lynn Rhone
  
  [color]
  ui = auto

===== Initialize Repo =====

****

  mkdir -p ~/'android/lineage-15.0' && cd ~/'android/lineage-15.0' && repo init --manifest-url='https://github.com/LineageOS/android.git' --manifest-branch='lineage-15.0' --depth=1 && sync

===== Motorola Manifest =====

  * If pulling in fresh sources, do not add this until the sources are backed-up ((that way the backup can be a clean-slate and be used for other non-Moto devices))

==== cm-14.1 ====

  mkdir -p ~/'android/lineage-15.0/.repo/local_manifests' && nano ~/'android/lineage-15.0/.repo/local_manifests/motorola.xml'

<code>
<?xml version="1.0" encoding="UTF-8"?>
<manifest>

  <!-- Motorola -->
  <project path="vendor/motorola" name="TheMuppets/proprietary_vendor_motorola" remote="github" revision="cm-14.1" />

</manifest></code>

==== lineage-15.0 ====

  * As of 2017/10/29, this is behind the ''cm-14.1'' branch for some reason ((refer to [[https://github.com/TheMuppets/proprietary_vendor_motorola/branches | branches]]))

  mkdir -p ~/'android/lineage/.repo/local_manifests' && nano ~/'android/lineage/.repo/local_manifests/motorola.xml'

<code>
<?xml version="1.0" encoding="UTF-8"?>
<manifest>

  <!-- Motorola -->
  <project path="vendor/motorola" name="TheMuppets/proprietary_vendor_motorola" remote="github" revision="lineage-15.0" />

</manifest></code>

===== Sources Management =====

==== Pull-in and Update Sources ====

=== Network Sync ===

  * As of 2017/10/29, this downloads 11.3GB for ''lineage-15.0''
  * If pulling fresh sources, this command is good to leave running overnight, and then followed up with a [[#backup_sources | backup]]

  cd ~/'android/lineage-15.0' && repo sync --current-branch --network-only --jobs='4' --force-broken --force-sync && sync

=== Complete Sync ===

  * Performs both Network and Local file sync

  cd ~/'android/lineage-15.0' && repo sync --current-branch --network-only --jobs='4' --force-broken --force-sync && sync && repo sync --current-branch --local-only --jobs='16' && sync

==== Backup Sources ====

****

  cd ~/'android/lineage-15.0' && tar -cvzf ~/'Downloads/lineageos-lineage-15.0-'$(date +%Y-%m-%d)'.tar.gz' '.repo' && cd ~ && sync

==== Restore Sources ====

****

  mkdir -p ~/'android/lineage-15.0' && cd ~/'android/lineage-15.0' && tar -xvzf ~/'Downloads/lineageos-lineage-15.0-'*'.tar.gz' '.repo' && sync

====== Modifications ======

===== Allow Signature Spoofing =====

  * This allows **microG Services Core** and **FakeStore** to fake GApps properly

  * https://github.com/FreeMobileOS/android_packages_apps_GmsCore/blob/20c65a1fc33ee28ae0d12a927bd243d4ee2e3abc/patches/android_frameworks_base-O.patch
  * Keep eyes on https://github.com/microg/android_packages_apps_GmsCore/pull/418 for when this is officially merged

  wget -O ~/'Downloads/GmsCore-android_frameworks_base-O.patch' 'https://raw.githubusercontent.com/FreeMobileOS/android_packages_apps_GmsCore/20c65a1fc33ee28ae0d12a927bd243d4ee2e3abc/patches/android_frameworks_base-O.patch' && cd ~/'android/lineage-15.0' && patch --no-backup-if-mismatch --strip='1' --directory='frameworks/base' < ~/'Downloads/GmsCore-android_frameworks_base-O.patch' && rm -f ~/'Downloads/GmsCore-android_frameworks_base-O.patch' && sync

===== Allow Location Providers Outside /system =====

  * https://github.com/microg/android_packages_apps_UnifiedNlp/blob/master/patches/android_frameworks_base-N.patch

  * This allows ** microG Services Core** to provide **UnifiedNlp** without having to be installed to ''/system/priv-app'' or having to have an outdated ''NetworkLocation.apk'' there

  wget -O ~/'Downloads/UnifiedNlp-android_frameworks_base-N.patch' 'https://raw.githubusercontent.com/microg/android_packages_apps_UnifiedNlp/master/patches/android_frameworks_base-N.patch' && cd ~/'android/lineage-15.0' && patch --no-backup-if-mismatch --strip='1' --directory='frameworks/base' < ~/'Downloads/UnifiedNlp-android_frameworks_base-N.patch' && rm -f ~/'Downloads/UnifiedNlp-android_frameworks_base-N.patch' && sync

===== Remove Deprecated HWUI GCC Flag =====

  * https://github.com/ValidusOs/frameworks_base/commit/f6e00f8ffba193ebe4b67da8a00b9122ff55ed73

  * Removes the deprecated ''-mapcs'' flag and prevents clang++ from reporting an error about it later on
  * Only has effect and needed if ''HWUI_COMPILE_FOR_PERF'' is ''true''

  sed -i 's/-marm -mapcs/-marm/g' ~/'android/lineage-15.0/frameworks/base/libs/hwui/Android.mk'

===== Avoid GNSS denials =====

  * https://github.com/elektroschmock/android_device_moto_shamu/commit/df314065c2f02cdfef2006b623dabc71049a2375

  echo 'allow hal_gnss_default vndbinder_device:chr_file rw_file_perms;' | tee --append ~/'android/lineage-15.0/device/moto/shamu/sepolicy/hal_gnss_default.te' > '/dev/null'

===== Tweaks =====

  * If this file doesn't exist, this is likely being ran on fresh sources, and requires [[#breakfast | breakfast]] to be served first
  * Place this at the **top** of the file underneath the copyright ((this ensures the custom ''PRODUCT_PROPERTY_OVERRIDES'' are used, [[https://groups.google.com/d/msg/android-building/Y8Z1hWqL0lY/1NytPiDGg9oJ | see comment]]))

  nano ~/'android/lineage-15.0/device/moto/shamu/device.mk'

<code>
# Begin Custom Stuff

# Dalvik/ART Tweaks
PRODUCT_PROPERTY_OVERRIDES += \
    dalvik.vm.image-dex2oat-filter=everything \
    dalvik.vm.dex2oat-filter=everything \
    dalvik.vm.check-dex-sum=false \
    dalvik.vm.checkjni=false \
    dalvik.vm.usejit=true \
    dalvik.vm.dexopt-flags=v=a,o=v \
    dalvik.vm.dex2oat-swap=false \
    dalvik.vm.dex2oat-threads=4 \
    dalvik.vm.boot-dex2oat-threads=4 \
    dalvik.vm.image-dex2oat-threads=4 \
    dalvik.vm.heaptargetutilization=0.9 \
    dalvik.vm.heapgrowthlimit=288m

# Single-user
PRODUCT_PROPERTY_OVERRIDES += \
    fw.max_users=1

# HWUI Performance Compiler Options
HWUI_COMPILE_FOR_PERF := true

# Graphics Tweaks
PRODUCT_PROPERTY_OVERRIDES += \
    debug.hwui.renderer=skiagl \
    persist.sys.ui.hw=true

# Native Density
PRODUCT_PROPERTY_OVERRIDES += \
    ro.sf.lcd_density=493

# Freedom
PRODUCT_PROPERTY_OVERRIDES += \
    persist.sys.hdcp_checking=never

# End Custom Stuff</code>

===== Steven Black's Unified Hosts File =====

  * https://github.com/StevenBlack/hosts

  * Includes ''fakenews'' and ''gambling'' extensions

  rm -Rf '/tmp/master.zip' '/tmp/hosts-master' && wget 'https://github.com/StevenBlack/hosts/archive/master.zip' -O '/tmp/master.zip' && unzip '/tmp/master.zip' -d '/tmp' && python3 '/tmp/hosts-master/updateHostsFile.py' --auto --extensions 'fakenews' 'gambling' --output ~/'android/lineage-15.0/system/core/rootdir/etc' && rm -Rf '/tmp/master.zip' '/tmp/hosts-master' && sync

===== Don't Check Device in TWRP =====

  * https://review.lineageos.org/#/c/186687/

  repopick '186687'

====== Build Prep ======

===== Cleanup =====

****

  cd ~/'android/lineage-15.0' && make 'clobber' && sync

===== Set-up Environment =====

****


  cd ~/'android/lineage-15.0' && source ~/'android/lineage-15.0/build/envsetup.sh'

===== Breakfast! =====

  * Be sure to run [[#tweaks | Tweaks]] after serving ''breakfast'' if using fresh sources

  cd ~/'android/lineage-15.0' && breakfast 'shamu' && sync

===== Environment Variables =====

==== Disable ccache ====

****

  unset 'CCACHE_DISABLE' && export 'CCACHE_DISABLE=1'

==== Jack ====

****

  unset 'ANDROID_JACK_VM_ARGS' && export 'ANDROID_JACK_VM_ARGS=-Dfile.encoding=UTF-8 -XX:+TieredCompilation -Xmx12G'

====== Signed Build ======

===== Key Management =====

==== Generate ====

  * Change the ''x'' in ''emailAddress=''
  * If a backup exists and is being restored, don't run this

  subject='/C=US/ST=Pennsylvania/L=Charleroi/O=Realm of Espionage/OU=Android/CN=Sean Lynn Rhone/emailAddress=espionage724@x' && mkdir ~/'.android-certs' && for x in releasekey platform shared media; do ~/'android/lineage-15.0/development/tools/make_key' ~/'.android-certs'/$x "$subject"; done

==== Backup ====

****

  cd ~ && tar -cvzf ~/'Downloads/android-certs-'$(date +%Y-%m-%d)'.tar.gz' '.android-certs' && sync

==== Restore ====

****

  cd ~ && tar -xvzf ~/'Downloads/android-certs-'*'.tar.gz' '.android-certs' && rm -f ~/'Downloads/android-certs-'*'.tar.gz' && sync

===== Build =====

  * This takes approximately 1 hour and 25 minutes to complete
  * If ''mka'' can't be found, make sure this is being ran from the Terminal window where previous commands took place

  cd ~/'android/lineage-15.0' && mka target-files-package dist && sync

===== Sign Build =====

****

  croot && ~/'android/lineage-15.0/build/tools/releasetools/sign_target_files_apks' -o -d ~/'.android-certs' ~/'android/lineage-15.0/out/dist/'*'-target_files-'*'.zip' ~/'android/lineage-15.0/signed-target_files.zip' && sync

===== Generate Zip =====

****

  ~/'android/lineage-15.0/build/tools/releasetools/ota_from_target_files' -k ~/'.android-certs/releasekey' --block --backup='true' ~/'android/lineage-15.0/signed-target_files.zip' ~/'Downloads/'$(date +%m-%d)'-oreo-los-N6-esp724.zip' && sync

===== Install Zip =====

  * Flash ''~/Downloads/lineageos-lineage-15.0-shamu-unofficial-(date).zip''

====== Unsigned Build ======

===== Build and Generate Zip =====

  * This takes approximately 1 hour to complete

  cd ~/'android/lineage-15.0' && croot && brunch 'shamu' && sync

===== Install Zip =====

  * Flash the 400MB+ zip found in ''~/'android/lineage-15.0/out/target/product/shamu''

====== Nexus 6 Configuration ======

  * [[devices:shamu | Proceed here]]

====== Changelog ======

===== Notes =====

  * Unless otherwise specified, all uploaded builds are updated from the source (resync) prior to building

===== Changelog =====

  * 2017/11/02: Re-enable forced-encryption, simplify zip filename
  * 2017/11/01: Disable forced-encryption, vndbinder sepolicy fix, more Dalvik/ART tweaks, HWUI compiled in performance mode, disable HDCP checking, force 2D GPU acceleration, use Skia OpenGL rendering
  * 2017/10/29: Initial build, Dalvik/ART tweaks, disabled multi-user