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//! Build identity helpers.
pub const BASE_VERSION: &str = env!("CARGO_PKG_VERSION");
pub fn channel() -> &'static str {
non_empty(option_env!("HERDR_BUILD_CHANNEL")).unwrap_or("stable")
}
pub fn build_id() -> Option<&'static str> {
non_empty(option_env!("HERDR_BUILD_ID"))
}
pub fn version() -> String {
match channel() {
"stable" => BASE_VERSION.to_string(),
channel => match build_id() {
Some(build_id) => format!("{BASE_VERSION}-{channel}.{build_id}"),
None => format!("{BASE_VERSION}-{channel}"),
},
}
}
pub fn is_preview() -> bool {
channel() == "preview"
}
fn non_empty(value: Option<&'static str>) -> Option<&'static str> {
value.and_then(|value| {
let trimmed = value.trim();
if trimmed.is_empty() {
None
} else {
Some(trimmed)
}
})
}
#[cfg(test)]
mod tests {
#[test]
fn stable_version_defaults_to_cargo_version() {
assert!(!super::version().is_empty());
}
}
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