Paul Eipper
048d72dc18
Set the CLI build version from OBSCURA_VERSION, GitHub tag refs, or Cargo.toml fallback. Use that same build version for both --version and the startup banner, and pass the Docker tag version into Docker builds.
37 lines
1.1 KiB
Rust
37 lines
1.1 KiB
Rust
use std::env;
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fn env_value(name: &str) -> Option<String> {
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env::var(name)
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.ok()
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.map(|value| value.trim().to_string())
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.filter(|value| !value.is_empty())
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}
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fn normalize_version(version: String) -> String {
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version.strip_prefix('v').unwrap_or(&version).to_string()
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}
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fn github_tag_version() -> Option<String> {
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if env_value("GITHUB_REF_TYPE").as_deref() == Some("tag") {
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return env_value("GITHUB_REF_NAME").map(normalize_version);
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}
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env_value("GITHUB_REF")
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.and_then(|value| value.strip_prefix("refs/tags/").map(str::to_owned))
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.map(normalize_version)
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}
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fn main() {
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println!("cargo:rerun-if-env-changed=OBSCURA_VERSION");
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println!("cargo:rerun-if-env-changed=GITHUB_REF_TYPE");
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println!("cargo:rerun-if-env-changed=GITHUB_REF_NAME");
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println!("cargo:rerun-if-env-changed=GITHUB_REF");
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let version = env_value("OBSCURA_VERSION")
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.map(normalize_version)
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.or_else(github_tag_version)
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.unwrap_or_else(|| env::var("CARGO_PKG_VERSION").expect("Cargo sets CARGO_PKG_VERSION"));
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println!("cargo:rustc-env=OBSCURA_BUILD_VERSION={version}");
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}
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