24 lines
685 B
Rust
24 lines
685 B
Rust
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use std::path::PathBuf;
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use anyhow::Context;
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use serde::Deserialize;
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use crate::json;
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pub fn read_env(var: &'static str) -> anyhow::Result<String> {
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log::trace!("read_env: {var}");
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std::env::var(var)
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.map_err(|e| anyhow::format_err!("Could not read {var} environment variable: {e}"))
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}
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pub fn read_path_env(var: &'static str) -> anyhow::Result<PathBuf> {
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Ok(read_env(var)?.into())
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}
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pub fn read_env_json<T: for<'de> Deserialize<'de>>(var: &'static str) -> anyhow::Result<T> {
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let json_text = read_env(var)?;
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json::from_str(&json_text).with_context(|| {
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format!("Could not parse contents of env var {var} into the correct json format")
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})
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}
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