commit 884c0508fcf04a5a5bdda57f1b46bec24d7b77f0
Author: Ambrose Chua <ambrose@hey.com>
Date:   Sat May 15 19:26:49 2021 +0800

    Initial commit

diff --git a/Dockerfile b/Dockerfile
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--- /dev/null
+++ b/Dockerfile
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+ARG base=concourse/concourse:latest
+FROM ${base}
+
+RUN apt-get update \
+	&& apt-get install -y \
+		jq \
+	&& mv /usr/local/concourse/bin/runc /usr/local/concourse/bin/runc-original
+
+ENV RUNC=/usr/local/concourse/bin/runc-original
+COPY runc-wrapper /usr/local/concourse/bin/runc
diff --git a/Dockerfile.dev b/Dockerfile.dev
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index 0000000..6141ff4
--- /dev/null
+++ b/Dockerfile.dev
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+FROM concourse/concourse-dev:latest
+
+RUN apt-get update \
+	&& apt-get install -y \
+		jq \
+	&& mv /usr/local/concourse/bin/runc /usr/local/concourse/bin/runc-original
+
+ENV RUNC=/usr/local/concourse/bin/runc-original
+COPY runc-wrapper /usr/local/concourse/bin/runc
diff --git a/Dockerfile.latest b/Dockerfile.latest
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index 0000000..87443bd
--- /dev/null
+++ b/Dockerfile.latest
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+FROM concourse/concourse:latest
+
+RUN apt-get update \
+	&& apt-get install -y \
+		jq \
+	&& mv /usr/local/concourse/bin/runc /usr/local/concourse/bin/runc-original
+
+ENV RUNC=/usr/local/concourse/bin/runc-original
+COPY runc-wrapper /usr/local/concourse/bin/runc
diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
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+
+# `serverwentdown/concourse-kvm`
+
+Ugly patch to concourse's Docker image to mount the KVM device, until concourse/concourse#2784 is resolved.
+
+## Tags
+
+- [`latest`](Dockerfile.latest): Built from `concourse/concourse:latest`
+- [`dev`](Dockerfile.dev): Built from `concourse/concourse-dev:latest`
+
+
+<!-- vim: set conceallevel=2 et ts=2 sw=2: -->
diff --git a/runc-wrapper b/runc-wrapper
new file mode 100644
index 0000000..7e88c00
--- /dev/null
+++ b/runc-wrapper
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+#!/bin/sh
+
+RUNC=${RUNC:=runc}
+
+if [ -f config.json ]; then
+	mv config.json config.old.json
+	jq -c '.mounts |= . + [{ "destination": "/dev/kvm", "type": "bind", "source": "/dev/kvm", "options": [ "bind", "rw" ] }]' config.old.json > config.json
+fi
+
+exec $RUNC "$@"