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Compress system image as part of bazel build
Add a quick simple `xz` rule (using the ambient environment xz binary, which is good enough, since it's nix-provided for use). Bug: b/326961309 Change-Id: Iee13ef63c4290ff52fd0fb95f1c132e63e086036
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# | ||
# Copyright 2024 The Project Oak Authors | ||
# | ||
# 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. | ||
# | ||
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package(licenses = ["notice"]) |
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# | ||
# Copyright 2024 The Project Oak Authors | ||
# | ||
# 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. | ||
# | ||
"""Rules for xz compression.""" | ||
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def xz_compress(name, target, out, **kwargs): | ||
""" A quick non-hermetic xz rule. | ||
It requires having xz in your path. | ||
Args: | ||
name: the name of the output rule | ||
target: the target to compress. It should contain only one file output. | ||
out: the name of the generated xz-compressed file. | ||
**kwargs: any other args to pass to the genrule. | ||
""" | ||
native.genrule( | ||
name = name, | ||
srcs = [target], | ||
outs = [out], | ||
cmd = "xz --force $(SRCS) --stdout > $(OUTS)", | ||
**kwargs | ||
) |
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