60 lines
1.3 KiB
Rust
60 lines
1.3 KiB
Rust
use super::*;
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pub(crate) fn load_dotenv(
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config: &Config,
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settings: &Settings,
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working_directory: &Path,
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) -> RunResult<'static, BTreeMap<String, String>> {
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let dotenv_filename = config
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.dotenv_filename
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.as_ref()
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.or(settings.dotenv_filename.as_ref());
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let dotenv_path = config
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.dotenv_path
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.as_ref()
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.or(settings.dotenv_path.as_ref());
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if !settings.dotenv_load
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&& dotenv_filename.is_none()
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&& dotenv_path.is_none()
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&& !settings.dotenv_required
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{
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return Ok(BTreeMap::new());
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}
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if let Some(path) = dotenv_path {
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let path = working_directory.join(path);
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if path.is_file() {
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return load_from_file(&path);
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}
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}
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let filename = dotenv_filename.map_or(".env", |s| s.as_str());
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for directory in working_directory.ancestors() {
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let path = directory.join(filename);
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if path.is_file() {
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return load_from_file(&path);
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}
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}
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if settings.dotenv_required {
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Err(Error::DotenvRequired)
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} else {
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Ok(BTreeMap::new())
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}
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}
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fn load_from_file(path: &Path) -> RunResult<'static, BTreeMap<String, String>> {
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let iter = dotenvy::from_path_iter(path)?;
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let mut dotenv = BTreeMap::new();
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for result in iter {
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let (key, value) = result?;
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if env::var_os(&key).is_none() {
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dotenv.insert(key, value);
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}
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}
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Ok(dotenv)
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}
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