1 files changed, 65 insertions, 0 deletions
diff --git a/taskcluster/scripts/misc/build-custom-car-linux.sh b/taskcluster/scripts/misc/build-custom-car-linux.sh
new file mode 100755
index 0000000000..c92b696e28
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+++ b/taskcluster/scripts/misc/build-custom-car-linux.sh
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+#!/bin/bash
+set -x -e -v
+
+# This script is for building a custom version of chromium-as-release on Linux
+
+# First argument must be the artifact name
+ARTIFACT_NAME=$(basename $TOOLCHAIN_ARTIFACT)
+shift
+
+# Use the rest of the arguments as the build config
+CONFIG=$(echo $* | tr -d "'")
+
+
+mkdir custom_car
+cd custom_car
+CUSTOM_CAR_DIR=$PWD
+
+# Setup depot_tools
+git clone https://chromium.googlesource.com/chromium/tools/depot_tools.git
+export PATH=$PATH:$CUSTOM_CAR_DIR/depot_tools
+
+
+# Get chromium source code and dependencies
+mkdir chromium
+cd chromium
+fetch --no-history --nohooks chromium
+
+# setup the .gclient file to ensure pgo profiles are downloaded 
+# for some reason we need to set --name flag even though it already exists.
+# currently the gclient.py file does NOT recognize --custom-var as it's own argument
+gclient config --name src "https://chromium.googlesource.com/chromium/src.git" --custom-var="checkout_pgo_profiles=True" --unmanaged
+
+cd src
+
+# now we can run hooks and fetch PGO + everything else
+gclient runhooks
+
+# PGO data should be in src/chrome/build/pgo_profiles/ 
+# with a name like "chrome-{OS}-<some unique identifier>"
+export PGO_DATA_DIR="$CUSTOM_CAR_DIR/chromium/src/chrome/build/pgo_profiles"
+for entry in "$PGO_DATA_DIR"/*
+do
+  if [ -f "$entry" ];then
+    export PGO_DATA_PATH="$entry"
+  fi
+done
+CONFIG=$(echo $CONFIG pgo_data_path='"'$PGO_DATA_PATH'"')
+
+
+# set up then build chrome
+gn gen out/Default --args="$CONFIG"
+autoninja -C out/Default chrome # skips test binaries
+
+
+# Gather binary and related files into a zip, and upload it
+cd ..
+mkdir chromium
+
+mv src/out/Default chromium
+chmod -R +x chromium
+
+tar caf $ARTIFACT_NAME chromium
+
+mkdir -p $UPLOAD_DIR
+mv $ARTIFACT_NAME $UPLOAD_DIR