Add OpenJDK 9

.travis.yml

@@ -4,6 +4,8 @@ language: bash
 sudo: 9000
 
 env:
+  - VERSION=openjdk-9-jre
+  - VERSION=openjdk-9-jdk
   - VERSION=openjdk-8-jre
   - VERSION=openjdk-8-jdk
   - VERSION=openjdk-7-jre

generate-stackbrew-library.sh

@@ -31,7 +31,9 @@ for version in "${versions[@]}"; do
 	if [ "${fullVersion%-*}" != "$fullVersion" ]; then
 		bases+=( $flavor-${fullVersion%-*} ) # like "8u40-b09
 	fi
-	bases+=( $flavor-$javaVersion )
+	if [ "$javaVersion" != "${fullVersion%-*}" ]; then
+		bases+=( $flavor-$javaVersion )
+	fi
 	if [ "$flavor" = "$defaultFlavor" ]; then
 		for base in "${bases[@]}"; do
 			bases+=( "${base#$flavor-}" )

openjdk-9-jdk/Dockerfile

@@ -0,0 +1,37 @@
+FROM buildpack-deps:sid-curl
+
+# A few problems with compiling Java from source:
+#  1. Oracle.  Licensing prevents us from redistributing the official JDK.
+#  2. Compiling OpenJDK also requires the JDK to be installed, and it gets
+#       really hairy.
+
+RUN apt-get update && apt-get install -y unzip && rm -rf /var/lib/apt/lists/*
+
+RUN echo 'deb http://httpredir.debian.org/debian experimental main' > /etc/apt/sources.list.d/experimental.list
+
+# Default to UTF-8 file.encoding
+ENV LANG C.UTF-8
+
+ENV JAVA_VERSION 9~b88
+ENV JAVA_DEBIAN_VERSION 9~b88-1
+
+# see https://bugs.debian.org/775775
+# and https://github.com/docker-library/java/issues/19#issuecomment-70546872
+ENV CA_CERTIFICATES_JAVA_VERSION 20140324
+
+RUN set -x \
+	&& apt-get update \
+	&& apt-get install -y \
+		openjdk-9-jdk="$JAVA_DEBIAN_VERSION" \
+		ca-certificates-java="$CA_CERTIFICATES_JAVA_VERSION" \
+	&& rm -rf /var/lib/apt/lists/*
+
+# see CA_CERTIFICATES_JAVA_VERSION notes above
+RUN /var/lib/dpkg/info/ca-certificates-java.postinst configure
+
+# see https://bugs.debian.org/793210
+# and https://github.com/docker-library/java/issues/46#issuecomment-119026586
+RUN apt-get update && apt-get install -y --no-install-recommends libfontconfig1 && rm -rf /var/lib/apt/lists/*
+
+# If you're reading this and have any feedback on how this image could be
+#   improved, please open an issue or a pull request so we can discuss it!

openjdk-9-jre/Dockerfile

@@ -0,0 +1,37 @@
+FROM buildpack-deps:sid-curl
+
+# A few problems with compiling Java from source:
+#  1. Oracle.  Licensing prevents us from redistributing the official JDK.
+#  2. Compiling OpenJDK also requires the JDK to be installed, and it gets
+#       really hairy.
+
+RUN apt-get update && apt-get install -y unzip && rm -rf /var/lib/apt/lists/*
+
+RUN echo 'deb http://httpredir.debian.org/debian experimental main' > /etc/apt/sources.list.d/experimental.list
+
+# Default to UTF-8 file.encoding
+ENV LANG C.UTF-8
+
+ENV JAVA_VERSION 9~b88
+ENV JAVA_DEBIAN_VERSION 9~b88-1
+
+# see https://bugs.debian.org/775775
+# and https://github.com/docker-library/java/issues/19#issuecomment-70546872
+ENV CA_CERTIFICATES_JAVA_VERSION 20140324
+
+RUN set -x \
+	&& apt-get update \
+	&& apt-get install -y \
+		openjdk-9-jre-headless="$JAVA_DEBIAN_VERSION" \
+		ca-certificates-java="$CA_CERTIFICATES_JAVA_VERSION" \
+	&& rm -rf /var/lib/apt/lists/*
+
+# see CA_CERTIFICATES_JAVA_VERSION notes above
+RUN /var/lib/dpkg/info/ca-certificates-java.postinst configure
+
+# see https://bugs.debian.org/793210
+# and https://github.com/docker-library/java/issues/46#issuecomment-119026586
+RUN apt-get update && apt-get install -y --no-install-recommends libfontconfig1 && rm -rf /var/lib/apt/lists/*
+
+# If you're reading this and have any feedback on how this image could be
+#   improved, please open an issue or a pull request so we can discuss it!

update.sh

@@ -24,10 +24,15 @@ for version in "${versions[@]}"; do
 		dist+="-backports"
 	fi
 
+	# we don't have buildpack-deps:experimental-* so we use sid and add a source
+	if grep -q experimental "$version/Dockerfile"; then
+		dist="${dist%:sid}:experimental"
+	fi
+
 	fullVersion=
 	case "$flavor" in
 		openjdk)
-			debianVersion="$(set -x; docker run --rm "$dist" bash -c "apt-get update &> /dev/null && apt-cache show $flavor-$javaVersion-$javaType | grep '^Version: ' | head -1 | cut -d' ' -f2")"
+			debianVersion="$(set -x; docker run --rm "$dist" bash -c "apt-get update -qq && apt-cache show $flavor-$javaVersion-$javaType | awk -F ': ' '\$1 == \"Version\" { print \$2; exit }'")"
 			fullVersion="${debianVersion%%-*}"
 			;;
 	esac