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support --action_env vars in build scripts #447

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merged 1 commit into from
Oct 16, 2020
Merged

support --action_env vars in build scripts #447

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8 changes: 6 additions & 2 deletions cargo/cargo_build_script.bzl
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Original file line number Diff line number Diff line change
Expand Up @@ -40,15 +40,19 @@ def _build_script_impl(ctx):

cc_toolchain = find_cpp_toolchain(ctx)

env = {
# Start with the default shell env, which contains any --action_env
# settings passed in on the command line.
env = dict(ctx.configuration.default_shell_env)

env.update({
"CARGO_MANIFEST_DIR": manifest_dir,
"CARGO_PKG_NAME": crate_name,
"HOST": toolchain.exec_triple,
"OPT_LEVEL": compilation_mode_opt_level,
"RUSTC": toolchain.rustc.path,
"TARGET": toolchain.target_triple,
# OUT_DIR is set by the runner itself, rather than on the action.
}
})

if ctx.attr.version:
version = ctx.attr.version.split("+")[0].split(".")
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