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9f9cfeb5be
Use this to add any extra versioning information to the binary. It is useful when packaging Cloud Hypervisor. Signed-off-by: Wei Liu <liuwe@microsoft.com>
34 lines
1.1 KiB
Rust
34 lines
1.1 KiB
Rust
// Copyright © 2020 Intel Corporation
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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use std::env;
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use std::process::Command;
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fn main() {
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let mut version = "v".to_owned() + env!("CARGO_PKG_VERSION");
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if let Ok(git_out) = Command::new("git").args(["describe", "--dirty"]).output() {
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if git_out.status.success() {
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if let Ok(git_out_str) = String::from_utf8(git_out.stdout) {
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version = git_out_str;
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// Pop the trailing newline.
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version.pop();
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}
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}
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}
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// Append CH_EXTRA_VERSION to version if it is set.
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if let Ok(extra_version) = env::var("CH_EXTRA_VERSION") {
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println!("cargo:rerun-if-env-changed=CH_EXTRA_VERSION");
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version.push_str(&format!("-{}", extra_version));
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}
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// This println!() has a special behavior, as it will set the environment
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// variable BUILD_VERSION, so that it can be reused from the binary.
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// Particularly, this is used from src/main.rs to display the exact
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// version.
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println!("cargo:rustc-env=BUILD_VERSION={version}");
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}
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