Generate Eclipse project for Bazel workspace (works with vscode-java)

bazel-generate-eclipse-project.sh

#!/usr/bin/env bash

set -euo pipefail

cd "$(bazel info workspace)"

WORKSPACE_NAME=$(basename "$PWD")

cat << EOF > ./.project
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<projectDescription>
	<name>${WORKSPACE_NAME}</name>
	<comment/>
	<projects>
	</projects>
	<buildSpec>
		<buildCommand>
			<name>org.eclipse.jdt.core.javabuilder</name>
			<arguments>
			</arguments>
		</buildCommand>
	</buildSpec>
	<natures>
		<nature>org.eclipse.jdt.core.javanature</nature>
	</natures>
</projectDescription>
EOF

JARS=$(find ./bazel-"${WORKSPACE_NAME}"/external/maven/v1 -iname '*.jar')
SRC_PATHS=$(find . -type d -path '*/src/main/java' -o -path '*/src/test/java')
CLASS_DIRS=$(find -L bazel-bin/external -type d -name '*_classes')
GENERATED_CLASS_DIRS=$(find -L bazel-bin/src -name '*_classes'|grep -v '/main/java/')

cat << EOF > ./.classpath
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
$( for PATH in $SRC_PATHS; do echo "	<classpathentry kind=\"src\" path=\"${PATH:2}\" />"; done; )
	<classpathentry kind="output" path="java-bin"/>
$( for JAR in $JARS; do echo "	<classpathentry kind=\"lib\" path=\"${JAR:2}\" />"; done; )
$( for CLASS_DIR in $CLASS_DIRS; do echo "	<classpathentry kind=\"lib\" path=\"${CLASS_DIR}\" />"; done; )
$( for CLASS_DIR in $GENERATED_CLASS_DIRS; do echo "	<classpathentry kind=\"lib\" path=\"${CLASS_DIR}\" />"; done; )
</classpath>
EOF