Prepare release 0.5.0

Includes minor style fixes found by clippy nightly and bump of edition.

CHANGELOG.md

@@ -4,10 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.5.0] 2023-12-30
 ### Changed
 - Adopt anyhow and thiserror instead of failure
 - Start a modularization work to build a pot crate
+- Make DNS configuration optional (#51)
 
 ## [0.4.4] 2020-03-31
 ### Fixed

Cargo.toml

@@ -1,8 +1,8 @@
 [package]
 name = "potnet"
-version = "0.4.4"
+version = "0.5.0"
 authors = ["Luca Pizzamiglio <[email protected]>"]
-edition = "2018"
+edition = "2021"
 categories = ["command-line-interface"]
 keywords = ["FreeBSD"]
 repository = "https://github.com/pizzamig/potnet"

pot/Cargo.toml

@@ -2,7 +2,7 @@
 name = "pot-rs"
 version = "0.5.0"
 authors = ["Luca Pizzamiglio <[email protected]>"]
-edition = "2018"
+edition = "2021"
 keywords = ["FreeBSD"]
 description = "Utility modules and functions useful to interact with the pot framework"
 readme = "README.md"

pot/src/system.rs

@@ -32,7 +32,7 @@ impl PartialSystemConf {
             Err(_) => return dconf,
         };
         let pconf = PartialSystemConf::from_str(&s).ok().unwrap_or_default();
-        let pconf_has_dns_ip = pconf.dns_ip != None;
+        let pconf_has_dns_ip = pconf.dns_ip.is_some();
         dconf.merge(pconf);
         // remove dns_ip if it came from default config and is not inside pot network
         if !pconf_has_dns_ip {
@@ -234,7 +234,7 @@ mod tests {
         assert!(uut.is_ok());
         let uut = uut.unwrap();
         assert!(!uut.is_valid());
-        assert!(!uut.network.is_some());
+        assert!(uut.network.is_none());
     }
 
     #[test]

src/bin/potcpu.rs

@@ -56,9 +56,7 @@ fn allocation_from_utf8(v: &[u8]) -> Result<Allocation> {
     let result: Allocation = mask
         .split(',')
         .map(str::trim)
-        .map(str::parse)
-        .filter(std::result::Result::is_ok)
-        .map(std::result::Result::unwrap)
+        .flat_map(str::parse)
         .collect();
     Ok(result)
 }