Create SourceMap type alias for HashMap<String, Box<dyn Source>>

Author: SRv6d

src/cli/update.rs

@@ -1,6 +1,6 @@
 //! The update subcommand used to get the latest allowed signers and write them to the output file.
-use crate::{AllowedSignersEntry, Config, Source, SshPublicKey};
-use std::collections::{HashMap, HashSet};
+use crate::{AllowedSignersEntry, Config, SourceMap, SshPublicKey};
+use std::collections::HashSet;
 
 pub(super) fn update(config: Config) {
     let sources = config.get_sources();
@@ -16,6 +16,6 @@ pub(super) fn update(config: Config) {
     }
 }
 
-fn get_public_keys(user: (), sources: &HashMap<String, Box<dyn Source>>) -> Vec<SshPublicKey> {
+fn get_public_keys(user: (), sources: &SourceMap) -> Vec<SshPublicKey> {
     todo!("Retrieve public keys for a user from all sources.");
 }

src/config.rs

@@ -1,4 +1,4 @@
-use crate::{Github, Gitlab, Source};
+use crate::{Github, Gitlab, Source, SourceMap};
 use figment::{
     providers::{Format, Serialized, Toml},
     Figment,
@@ -46,7 +46,7 @@ impl Default for Config {
 impl Config {
     /// Get the configured sources.
     #[must_use]
-    pub fn get_sources(&self) -> HashMap<String, Box<dyn Source>> {
+    pub fn get_sources(&self) -> SourceMap {
         self.sources
             .iter()
             .map(|source_config| {

src/lib.rs

@@ -5,7 +5,7 @@
 pub use config::Config;
 pub use core::*;
 pub use signer::{AllowedSignersEntry, AllowedSignersFile};
-pub use source::{Github, Gitlab, Source};
+pub use source::{Github, Gitlab, Source, SourceMap};
 
 pub mod cli;
 mod config;

src/source/main.rs

@@ -1,5 +1,6 @@
 use crate::SshPublicKey;
 use async_trait::async_trait;
+use std::collections::HashMap;
 
 /// A source implements a way to get public keys from a Git provider.
 #[async_trait]
@@ -11,3 +12,6 @@ pub trait Source {
         client: &reqwest::Client,
     ) -> Result<Vec<SshPublicKey>, reqwest::Error>;
 }
+
+/// A `HashMap` containing named sources.
+pub type SourceMap = HashMap<String, Box<dyn Source>>;

src/source/mod.rs

@@ -1,6 +1,6 @@
 pub use github::Github;
 pub use gitlab::Gitlab;
-pub use main::Source;
+pub use main::{Source, SourceMap};
 
 mod github;
 mod gitlab;