Add packer template

packer-template-script.sh

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+#!/usr/bin/env bash
+
+export TARGET=tulip_chiphd-userdebug
+export USE_CCACHE=true
+export CCACHE_DIR=/android/ccache
+export ANDROID_JACK_VM_ARGS="-Xmx4g -Dfile.encoding=UTF-8 -XX:+TieredCompilation"
+
+message() {
+  echo "============================"
+  echo "$@"
+  echo "============================"
+}
+
+set -ve
+
+message "Installing dependencies..."
+sudo add-apt-repository -y ppa:openjdk-r/ppa
+sudo apt-get update -y
+sudo apt-get install -y openjdk-7-jdk python git-core gnupg flex bison gperf build-essential \
+  zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 \
+  lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-dev ccache \
+  libgl1-mesa-dev libxml2-utils xsltproc unzip mtools u-boot-tools \
+  htop iotop sysstat iftop pigz bc device-tree-compiler lunzip \
+  squashfs-tools
+
+message "Downloading repo tool..."
+mkdir -p ~/bin
+curl https://storage.googleapis.com/git-repo-downloads/repo > ~/bin/repo
+chmod a+x ~/bin/repo
+
+message "Downloading manifests..."
+mkdir -p /android
+cd /android
+
+rm -rf .repo/local_manifests
+~/bin/repo init -u https://android.googlesource.com/platform/manifest -b android-6.0.1_r74 --depth=1
+git clone https://github.com/ayufan-pine64/local_manifests -b marshmallow .repo/local_manifests
+
+message "Syncing repositories..."
+~/bin/repo sync -j 20 -c --force-sync
+
+message "Building..."
+source build/envsetup.sh
+lunch "${TARGET}"
+command make -j$(($(nproc)+1)) || command make -j$(($(nproc)+1)) || true
+
+message "Cleaning objects..."
+command make installclean
+
+message "Building squashfs image..."
+cd /
+mksquashfs -Xcompression-level 7 /android /android.squashfs
+
+message "Cleanup squashfs mount..."
+rm -rf /android
+
+message "Prepare squashfs mount..."
+mkdir -p /mnt/android /android/{overlay,work}/
+
+cat <<EOF > /etc/rc.local
+#!/bin/sh -e
+mount -t squashfs /android.squashfs /mnt/android
+mount -t overlay overlay -o lowerdir=/mnt/android,upperdir=/android/overlay,workdir=/android/work /android
+EOF

packer-template.json

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+{
+  "variables": {
+    "do_api_token": "{{env `DIGITALOCEAN_API_TOKEN`}}"
+  },
+
+  "builders": [{
+    "type": "digitalocean",
+    "api_token": "{{user `do_api_token`}}",
+    "size": "8gb",
+    "region": "ams2",
+    "image": "ubuntu-16-04-x64",
+    "droplet_name": "android-6.0-pine64-packer",
+    "snapshot_name": "android-6.0-pine64-squashfs-{{timestamp}}"
+  }],
+
+  "provisioners": [{
+    "type": "shell",
+    "script": "install-script.sh"
+  }]
+}