Squashed 'lib/vscode/' content from commit e5a624b788

git-subtree-dir: lib/vscode
git-subtree-split: e5a624b788d92b8d34d1392e4c4d9789406efe8f

.devcontainer/cache/cache.Dockerfile

@@ -0,0 +1,14 @@
+# This dockerfile is used to build up from a base image to create an image with cached results of running "prepare.sh".
+# Other image contents: https://github.com/microsoft/vscode-dev-containers/blob/master/repository-containers/images/github.com/microsoft/vscode/.devcontainer/base.Dockerfile
+FROM mcr.microsoft.com/vscode/devcontainers/repos/microsoft/vscode:dev
+
+ARG USERNAME=node
+COPY --chown=${USERNAME}:${USERNAME} . /repo-source-tmp/
+RUN mkdir /usr/local/etc/devcontainer-cache \
+	&& chown ${USERNAME} /usr/local/etc/devcontainer-cache /repo-source-tmp \
+	&& su ${USERNAME} -c "\
+		cd /repo-source-tmp \
+		&& .devcontainer/cache/before-cache.sh \
+		&& .devcontainer/prepare.sh \
+		&& .devcontainer/cache/cache-diff.sh" \
+	&& rm -rf /repo-source-tmp