24 lines
628 B
Rust
24 lines
628 B
Rust
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#![doc = include_str!("../README.md")]
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mod error;
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pub use error::*;
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use eyre::{Result, eyre};
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/// Fetches an environment variable, possibly loading it using [`dotenvy`].
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///
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/// # Errors
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///
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/// Errors if the environment variable is missing or empty, providing a
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/// pretty-printed error including the environment variable name.
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#[track_caller]
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pub fn env_var(key: &str) -> Result<String> {
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let value = dotenvy::var(key)
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.wrap_err_with(|| eyre!("missing environment variable `{key}`"))?;
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if value.is_empty() {
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Err(eyre!("environment variable `{key}` is empty"))
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} else {
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Ok(value)
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}
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}
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