initial commit

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diff --git a/Dockerfile b/Dockerfile
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+++ b/Dockerfile
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+FROM kraxel/s2i-base-httpd
+
+ENV SUMMARY="sphinx documentation" \
+    DESCRIPTION="Platform for building sphinx documentation"
+
+LABEL maintainer="Gerd Hoffmann <kraxel@redhat.com>" \
+      summary="${SUMMARY}" \
+      description="${DESCRIPTION}" \
+      io.k8s.display-name="${SUMMARY}" \
+      io.k8s.description="${DESCRIPTION}" \
+      io.openshift.tags="docs,sphinx"
+
+USER root
+
+RUN source /etc/profile.d/proxy.sh; \
+    dnf update -y && \
+    dnf install -y make gcc gcc-c++ binutils bc \
+                   glibc-devel openssl-devel \
+                   graphviz which texlive-tetex \
+                   python36 python3-pip && \
+    dnf clean all -y
+
+COPY ./s2i/bin/ /usr/libexec/s2i
+
+RUN pip3 install sphinx sphinx-rtd-theme
+
+USER 1001
+
+CMD ["/usr/libexec/s2i/usage"]
diff --git a/README.md b/README.md
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+# s2i builder for sphinx documentation
+
+Source: [https://github.com/kraxel/s2i-sphinx](https://github.com/kraxel/s2i-sphinx)
+
+Image: kraxel/s2i-sphinx @ docker.io registry
+
+## Deploy in openshift
+
+```
+oc new-app kraxel/s2i-sphinx~git://some.host/path/to/linux/kernel/source/repo.git
+```
+
diff --git a/s2i/bin/assemble b/s2i/bin/assemble
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+++ b/s2i/bin/assemble
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+#!/bin/bash -e
+#
+# For more information refer to the documentation:
+#	https://github.com/openshift/source-to-image/blob/master/docs/builder_image.md
+#
+
+source ${0}.pre
+
+echo "---> Installing application source ..."
+rm -rf /tmp/src/.git
+mv  /tmp/src .
+
+echo "---> Looking for sphinx config ..."
+cfg=$(echo src/[Dd][Oo][Cc]*/conf.py)
+if test ! -f "$cfg"; then
+	cfg="src/conf.py"
+fi
+if test ! -f "$cfg"; then
+	cfg=$(find src -name conf.py | sort | head -n 1)
+fi
+if test ! -f "$cfg"; then
+	echo "ERROR: no sphinx config found"
+	exit 1
+fi
+
+echo "---> Building docs, using $cfg ..."
+sphinx-build ${cfg%/conf.py} html
+
+echo "---> Cleanup ..."
+rm -rf src
+
+source ${0}.post