mirror of
https://github.com/bazel-contrib/bazel-lib
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35 lines
1.1 KiB
Python
35 lines
1.1 KiB
Python
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"""A simple rule that generates provides a DefaultOutput with some files"""
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def _impl(ctx):
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if len(ctx.attr.output_files) != len(ctx.attr.output_contents):
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fail("Number of output_files must match number of output_contents")
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outputs = []
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for i, file in enumerate(ctx.attr.output_files):
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content = ctx.attr.output_contents[i]
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out = ctx.actions.declare_file(file)
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# ctx.actions.write creates a FileWriteAction which uses UTF-8 encoding.
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ctx.actions.write(
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output = out,
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content = content,
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)
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outputs.append(out)
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provide = []
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if ctx.attr.output_group:
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kwargs = {ctx.attr.output_group: depset(outputs)}
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provide.append(OutputGroupInfo(**kwargs))
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else:
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provide.append(DefaultInfo(files = depset(outputs)))
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return provide
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generate_outputs = rule(
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implementation = _impl,
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provides = [DefaultInfo],
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attrs = {
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"output_files": attr.string_list(),
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"output_contents": attr.string_list(),
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"output_group": attr.string(),
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},
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)
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