From ab18e055839d4b8e773b198a167a6fca2d52a78e Mon Sep 17 00:00:00 2001
From: Arthur She <arthur.she@linaro.org>
Date: Wed, 20 Jan 2016 20:18:42 -0800
Subject: To store needed values in build_config.json and publish it to
 snapshots along with other build artifacts.

Change-Id: I6f7089a29fb7dd277c590a17280fc889be3291c6
---
 build-scripts/build-android | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/build-scripts/build-android b/build-scripts/build-android
index 28076e1..ff9110c 100644
--- a/build-scripts/build-android
+++ b/build-scripts/build-android
@@ -236,4 +236,41 @@ fi
 if [ -n "$PUBLISH_DESCRIPTIONS" ]; then
     ${BUILD_SCRIPT_ROOT}/../utils/manifest-descriptions/make.sh out/source-manifest.xml out/pinned-manifest.xml
 fi
+
+# Create build_config.json as a build artifact
+target_kernel_src=`grep 'TARGET_KERNEL_SOURCE' device/linaro/${TARGET_PRODUCT}/BoardConfig.mk|cut -d'=' -f2|tr -d '[[:space:]]'`
+if [ -n "${target_kernel_src}" ]; then
+    kernel_proj_str=`grep "path=\"${target_kernel_src}\"" out/pinned-manifest.xml`
+    kernel_rev=`echo ${kernel_proj_str} | grep -o "revision[^ ]*" | cut -d"\"" -f2`
+    kernel_branch=`echo ${kernel_proj_str} | grep -o "upstream[^ ]*" | cut -d"\"" -f2`
+    kernel_remote=`echo ${kernel_proj_str} | grep -o "remote[^ ]*" | cut -d"\"" -f2`
+    kernel_repo_path=`echo ${kernel_proj_str} | grep -o "name[^ ]*" | cut -d"\"" -f2`
+    kernel_remote_str=`grep "remote .* name=\"${kernel_remote}\"" out/pinned-manifest.xml`
+    kernel_repo=`echo ${kernel_remote_str} | grep -o "fetch[^ ]*" | cut -d"\"" -f2`${kernel_repo_path}".git"
+fi
+android_ver=`grep "ro\.build\.version\.release" out/target/product/${TARGET_OUT_DIR}/system/build.prop|cut -d"=" -f2`
+toolchain=`echo ${ANDROID_TOOLCHAIN}|awk -F'/' '{print $(NF-1)}'`
+build_arch=`echo ${toolchain} | cut -d"-" -f1`
+compiler=`$(find ${ANDROID_TOOLCHAIN} -name "*-gcc"|head -n1) --version | head -n1`
+cd out/target/product/${TARGET_OUT_DIR}/boot/
+dtbfs=""
+for f in *.dtb;
+do
+  dtbfs="\"$f\", $dtbfs"
+done
+cd -
+dtb="[${dtbfs%,*}]"
+cat > out/build_config.json <<EOF
+{
+  "kernel_repo" : "${kernel_repo}"
+  "kernel_commit_id" : "${kernel_rev}",
+  "kernel_branch" : "${kernel_branch}",
+  "android_version" : "${android_ver}",
+  "android_toolchain" : "${toolchain}",
+  "build_arch" : "${build_arch}",
+  "compiler" : "${compiler}",
+  "dtb" : ${dtb}
+}
+EOF
+
 flatten_artifacts
-- 
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