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/// Get the version of the program from the environment variables
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pub fn get_version_digits() -> String {
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  let semver = option_env!("CARGO_PKG_VERSION").unwrap_or("unknown");
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  match option_env!("MK_BUILD_GIT_HASH") {
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    None => semver.to_string(),
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    Some(hash) => format!("{} (rev {})", semver, hash),
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  }
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}