Move to prebuilt (#170969)

.devcontainer/prebuilt/cache/restore-diff.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+# This file expands the cache.tar file in the image that contains the results of "prepare.sh"
+# on top of the source tree. It runs as a postCreateCommand which runs after the container/codespace
+# is already up where you would typically run a command like "yarn install".
+
+set -e
+SOURCE_FOLDER="$(cd "${1:-"."}" && pwd)"
+CACHE_FOLDER="${2:-"$HOME/.devcontainer-cache"}"
+
+if [ ! -d "${CACHE_FOLDER}" ]; then
+	echo "No cache folder found."
+	exit 0
+fi
+
+echo "[$(date)] Expanding $(du -h "${CACHE_FOLDER}/cache.tar") file to ${SOURCE_FOLDER}..."
+cd "${SOURCE_FOLDER}"
+# Ensure user/group is correct if the UID/GID was changed for some reason
+echo "+1000 +$(id -u)" > "${CACHE_FOLDER}/cache-owner-map"
+echo "+1000 +$(id -g)" > "${CACHE_FOLDER}/cache-group-map"
+# Untar to workspace folder, preserving permissions and order, but mapping GID/UID if required
+tar --owner-map="${CACHE_FOLDER}/cache-owner-map" --group-map="${CACHE_FOLDER}/cache-group-map" -xpsf "${CACHE_FOLDER}/cache.tar"
+rm -rf "${CACHE_FOLDER}"
+echo "[$(date)] Done!"
+
+# Change ownership of chrome-sandbox
+sudo chown root .build/electron/chrome-sandbox
+sudo chmod 4755 .build/electron/chrome-sandbox
+