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# Change Log
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](http://keepachangelog.com/)
and this project adheres to [Semantic Versioning](http://semver.org/).
## 0.11.0 - 2021-03-13
- First Release as config-rs-maint. Should be more or less compatible with
config-rs 0.10.1.
Development continues on sourcehut for config-rs-maint.
## 0.10.1 - 2019-12-07
- Allow enums as configuration keys [#119]
[#119]: https://github.com/mehcode/config-rs/pull/119
## 0.10.0 - 2019-12-07
- Remove lowercasing of keys (unless the key is coming from an environment variable).
- Update nom to 5.x
## 0.9.3 - 2019-05-09
- Support deserializing to a struct with `#[serde(default)]` [#106]
[#106]: https://github.com/mehcode/config-rs/pull/106
## 0.9.2 - 2019-01-03
- Support reading `enum`s from configuration. [#85]
- Improvements to error path (attempting to propagate path). [#89]
- Fix UB in monomorphic expansion. We weren't re-exporting dependent types. [#91]
[#85]: https://github.com/mehcode/config-rs/pull/85
[#89]: https://github.com/mehcode/config-rs/pull/89
[#91]: https://github.com/mehcode/config-rs/issues/91
## 0.9.1 - 2018-09-25
- Allow Environment variable collection to ignore empty values. [#78]
```rust
// Empty env variables will not be collected
Environment::with_prefix("APP").ignore_empty(true)
```
[#78]: https://github.com/mehcode/config-rs/pull/78
## 0.9.0 - 2018-07-02
- **Breaking Change:** Environment does not declare a separator by default.
```rust
// 0.8.0
Environment::with_prefix("APP")
// 0.9.0
Environment::with_prefix("APP").separator("_")
```
- Add support for INI. [#72]
- Add support for newtype structs. [#71]
- Fix bug with array set by path. [#69]
- Update to nom 4. [#63]
[#72]: https://github.com/mehcode/config-rs/pull/72
[#71]: https://github.com/mehcode/config-rs/pull/71
[#69]: https://github.com/mehcode/config-rs/pull/69
[#63]: https://github.com/mehcode/config-rs/pull/63
## 0.8.0 - 2018-01-26
- Update lazy_static and yaml_rust
## 0.7.1 - 2018-01-26
- Be compatible with nom's verbose_errors feature (#50)[https://github.com/mehcode/config-rs/pull/50]
- Add `derive(PartialEq)` for Value (#54)[https://github.com/mehcode/config-rs/pull/54]
## 0.7.0 - 2017-08-05
- Fix conflict with `serde_yaml`. [#39]
[#39]: https://github.com/mehcode/config-rs/issues/39
- Implement `Source` for `Config`.
- Implement `serde::de::Deserializer` for `Config`. `my_config.deserialize` may now be called as either `Deserialize::deserialize(my_config)` or `my_config.try_into()`.
- Remove `ConfigResult`. The builder pattern requires either `.try_into` as the final step _or_ the initial `Config::new()` to be bound to a slot. Errors must also be handled on each call instead of at the end of the chain.
```rust
let mut c = Config::new();
c
.merge(File::with_name("Settings")).unwrap()
.merge(Environment::with_prefix("APP")).unwrap();
```
```rust
let c = Config::new()
.merge(File::with_name("Settings")).unwrap()
.merge(Environment::with_prefix("APP")).unwrap()
// LLVM should be smart enough to remove the actual clone operation
// as you are cloning a temporary that is dropped at the same time
.clone();
```
```rust
let mut s: Settings = Config::new()
.merge(File::with_name("Settings")).unwrap()
.merge(Environment::with_prefix("APP")).unwrap()
.try_into();
```
## 0.6.0 – 2017-06-22
- Implement `Source` for `Vec<T: Source>` and `Vec<Box<Source>>`
```rust
Config::new()
.merge(vec![
File::with_name("config/default"),
File::with_name(&format!("config/{}", run_mode)),
])
```
- Implement `From<&Path>` and `From<PathBuf>` for `File`
- Remove `namespace` option for File
- Add builder pattern to condense configuration
```rust
Config::new()
.merge(File::with_name("Settings"))
.merge(Environment::with_prefix("APP"))
.unwrap()
```
- Parsing errors even for non required files – [@Anthony25] ( [#33] )
[@Anthony25]: https://github.com/Anthony25
[#33]: https://github.com/mehcode/config-rs/pull/33
## 0.5.1 – 2017-06-16
- Added config category to Cargo.toml
## 0.5.0 – 2017-06-16
- `config.get` has been changed to take a type parameter and to deserialize into that type using serde. Old behavior (get a value variant) can be used by passing `config::Value` as the type parameter: `my_config.get::<config::Value>("..")`. Some great help here from [@impowski] in [#25].
- Propagate parse and type errors through the deep merge (remembering filename, line, etc.)
- Remove directory traversal on `File`. This is likely temporary. I do _want_ this behavior but I can see how it should be optional. See [#35]
- Add `File::with_name` to get automatic file format detection instead of manual `FileFormat::*` – [@JordiPolo]
- Case normalization [#26]
- Remove many possible panics [#8]
- `my_config.refresh()` will do a full re-read from the source so live configuration is possible with some work to watch the file
[#8]: https://github.com/mehcode/config-rs/issues/8
[#35]: https://github.com/mehcode/config-rs/pull/35
[#26]: https://github.com/mehcode/config-rs/pull/26
[#25]: https://github.com/mehcode/config-rs/pull/25
[@impowski]: https://github.com/impowski
[@JordiPolo]: https://github.com/JordiPolo
## 0.4.0 - 2017-02-12
- Remove global ( `config::get` ) API — It's now required to create a local configuration instance with `config::Config::new()` first.
If you'd like to have a global configuration instance, use `lazy_static!` as follows:
```rust
use std::sync::RwLock;
use config::Config;
lazy_static! {
static ref CONFIG: RwLock<Config> = Default::default();
}
```
## 0.3.0 - 2017-02-08
- YAML from [@tmccombs](https://github.com/tmccombs)
- Nested field retrieval
- Deep merging of sources (was shallow)
- `config::File::from_str` to parse and merge a file from a string
- Support for retrieval of maps and slices — `config::get_table` and `config::get_array`
## 0.2.0 - 2017-01-29
Initial release.
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