| """ |
| Copyright 2018-present Open Networking Foundation |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| """ |
| |
| """ |
| Extension to genrule that has the JDK bin directory in the PATH, thus allowing |
| to invoke commands like jar directly in the genrule "cmd" attribute. |
| This allows using JDK-related tools on a host system that does not have the JDK |
| installed, instead using the current JDK used by Bazel, e.g. the embedded or |
| remote one. |
| """ |
| |
| def jdk_genrule( |
| cmd, |
| tools = [], |
| toolchains = [], |
| **kwargs): |
| new_tools = tools + ["@bazel_tools//tools/jdk:current_java_runtime"] |
| new_toolchains = toolchains + ["@bazel_tools//tools/jdk:current_java_runtime"] |
| |
| # Add JAVABASE/bin to the PATH env. |
| # Prepend PWD (sandbox path) if JAVABASE is not an absolute path. |
| new_cmd = "echo 'if [[ \"$(JAVABASE)\" = /* ]]; then " + \ |
| "JHOME=$(JAVABASE); " + \ |
| "else JHOME=$$PWD/$(JAVABASE); " + \ |
| "fi' > jdk_genrule_setup.sh; " + \ |
| "echo 'export PATH=$$JHOME/bin:$$PATH:' >> jdk_genrule_setup.sh; " + \ |
| "source jdk_genrule_setup.sh; " + cmd |
| |
| native.genrule( |
| cmd = new_cmd, |
| tools = new_tools, |
| toolchains = new_toolchains, |
| **kwargs |
| ) |