[infra] Document how to self service update javascript engines.

Bug: b/324389547
Change-Id: I2da77aa390d780b151f5b6fbbc8ef8b24fc34bad
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/351142
Reviewed-by: William Hesse <whesse@google.com>
Commit-Queue: Jonas Termansen <sortie@google.com>

DEPS

@@ -67,8 +67,9 @@ vars = {
   "download_android_deps":
     "host_os == mac or (host_os == linux and host_cpu == x64)",
 
-  # Checkout extra javascript engines for testing or benchmarking.
-  # d8, the V8 shell, is always checked out.
+  # Checkout extra javascript engines for testing or benchmarking. You can
+  # self-service update these by following the go/dart-engprod/browsers.md
+  # instructions. d8, the V8 shell, is always checked out.
   "checkout_javascript_engines": False,
   "d8_tag": "version:12.1.131",
   "jsshell_tag": "version:120.0",
@@ -254,7 +255,7 @@ deps = {
   },
   Var("dart_root") + "/third_party/jsc": {
       "packages": [{
-          "package": "dart/third_party/jsc/linux-amd64",
+          "package": "dart/third_party/jsc/${{platform}}",
           "version": Var("jsc_tag"),
       }],
       "condition": "checkout_javascript_engines and host_os == 'linux' and host_cpu == 'x64'",

third_party/d8/README.google

@@ -7,8 +7,6 @@ Date: March 31 2019
 License: BSD
 
 Description:
-In a synced checkout, this directory contains the d8 binaries for Windows, Mac and Linux.
-The binaries are downloaded as a CIPD package and unpacked in this directory.
-To upload a new version of the package run: ./update.sh <version>
+This directory contains the d8 binaries for Windows, Mac and Linux.
 
 The binaries are used for testing dart code compiled to javascript.

third_party/d8/update.sh

@@ -1,41 +0,0 @@
-#!/usr/bin/env bash
-# Uploads a new version of d8 CIPD package
-set -e
-set -x
-
-if [ -z "$1" ]; then
-  echo "Usage: update.sh version"
-  exit 1
-fi
-
-version=$1
-major=$(echo "$version" | cut -d'.' -f1)
-minor=$(echo "$version" | cut -d'.' -f2)
-patch=$(echo "$version" | cut -d'.' -f3)
-
-tmpdir=$(mktemp -d)
-cleanup() {
-  rm -rf "$tmpdir"
-}
-trap cleanup EXIT HUP INT QUIT TERM PIPE
-cd "$tmpdir"
-
-arch=("linux64" "linux-arm64" "mac64" "mac-arm64" "win64")
-path=("linux/x64" "linux/arm64" "macos/x64" "macos/arm64" "windows/x64")
-
-for i in "${!arch[@]}"
-do
-  filename="v8-${arch[$i]}-rel-$version.zip"
-  gsutil.py cp "gs://chromium-v8/official/canary/$filename" .
-  mkdir -p d8/${path[$i]}
-  unzip -q $filename -d d8/${path[$i]}
-  rm $filename
-done
-
-cipd create \
-  -name dart/d8 \
-  -in d8 \
-  -install-mode copy \
-  -tag version:$version \
-  -tag version:$major.$minor.$patch \
-  -tag version:$major.$minor

third_party/firefox_jsshell/update.sh

@@ -1,38 +0,0 @@
-#!/usr/bin/env bash
-# Uploads a new version of the checked in JSShell CIPD packages
-set -ex
-
-if [ -z "$1" ]; then
-  echo "Usage: update.sh version"
-  exit 1
-fi
-
-tmpdir=$(mktemp -d)
-cleanup() {
-  rm -rf "$tmpdir"
-}
-trap cleanup EXIT HUP INT QUIT TERM PIPE
-pushd "$tmpdir"
-
-ARCH=("linux-amd64" "mac-amd64" "windows-amd64")
-URL=https://archive.mozilla.org/pub/firefox/releases/$1/jsshell
-curl $URL/jsshell-linux-x86_64.zip --output jsshell-linux-amd64.zip
-curl $URL/jsshell-mac.zip --output jsshell-mac-amd64.zip
-curl $URL/jsshell-win64.zip --output jsshell-windows-amd64.zip
-
-for a in "${ARCH[@]}"
-do
-  filename="jsshell-$a.zip"
-  unzip -qj $filename -d jsshell
-  cipd create \
-    -name dart/third_party/jsshell/$a \
-    -in jsshell \
-    -install-mode copy \
-    -tag version:$1
-  rm $filename
-  rm -rf jsshell
-done
-
-popd
-
-gclient setdep --var="jsshell_tag=version:$1"

third_party/jsc/update.sh

@@ -1,34 +0,0 @@
-#!/usr/bin/env bash
-# Uploads a new version of the checked in jsc CIPD packages
-# jsc is the JavaScriptCore shell from WebKit.
-#
-# Only the latest builds for the last few days are available
-# for download. They are indexed by build number.
-# This script only downloads the latest build, and uploads
-# it to CIPD with the build number as the version tag.
-# It updates DEPS to download that version of jsc from CIPD.
-set -ex
-
-tmpdir=$(mktemp -d)
-cleanup() {
-  rm -rf "$tmpdir"
-}
-trap cleanup EXIT HUP INT QUIT TERM PIPE
-pushd "$tmpdir"
-
-URL=https://webkitgtk.org/jsc-built-products/x86_64/release
-LATEST=$(curl $URL/LAST-IS)
-VERSION=${LATEST%@main.zip}
-curl $URL/$LATEST --output main.zip
-filename="main.zip"
-unzip -q $filename -d jsc
-cipd create \
-  -name dart/third_party/jsc/linux-amd64 \
-  -in jsc \
-  -install-mode copy \
-  -tag version:$VERSION
-rm $filename
-rm -rf jsc
-popd
-
-gclient setdep --var="jsc_tag=version:$VERSION"