build(deps): bump toml from 0.8.23 to 0.9.8

Cargo.toml

@@ -18,7 +18,7 @@ resolver = "3"
 
 [dependencies]
 clap = { version = "4", features = ["derive"] }
-toml = "0.8"
+toml = "0.9"
 serde = { version = "1", features = ["derive"] }
 include_dir = "0.7"
 liquid = "0.26"

src/commands/run.rs

@@ -114,6 +114,21 @@ pub struct Topology {
 }
 
 impl Topology {
+    /// Parse topology toml file and validate the fields.
+    /// Emit warning upon meeting alien fields.
+    pub fn parse_toml(path: &PathBuf) -> Result<Self> {
+        let content = fs::read_to_string(path)
+            .context(format!("failed to read topology from {}", path.display()))?;
+
+        let deserializer = toml::de::Deserializer::parse(&content)
+            .context(format!("failed to parse topology from {}", path.display()))?;
+
+        serde_ignored::deserialize(deserializer, |f| {
+            warn!("Unknown field in topology TOML: {f}");
+        })
+        .map_err(anyhow::Error::from)
+    }
+
     fn find_plugin_versions(&mut self, plugins_dir: &Path) -> Result<()> {
         for (plugin_name, plugin) in &mut self.plugins {
             let current_plugin_dir = plugins_dir.join(plugin_name);

src/main.rs

@@ -1,6 +1,5 @@
 use anyhow::{bail, Context, Result};
 use clap::{Parser, Subcommand};
-use log::warn;
 use nix::unistd::{fork, ForkResult};
 use std::{
     env, fs,
@@ -375,21 +374,7 @@ fn main() -> Result<()> {
                 run_child_killer();
             }
 
-            // Parse topology toml file and validate the fields
-            // Emit warning upon meeting alien fields
-            let topology: commands::run::Topology = serde_ignored::deserialize(
-                toml::de::Deserializer::new(
-                    &fs::read_to_string(plugin_path.join(&topology))
-                        .context(format!("failed to read {}", &topology.display()))?,
-                ),
-                |path| {
-                    warn!("Unknown field {path}");
-                },
-            )
-            .context(format!(
-                "failed to parse .toml file of {}",
-                topology.display()
-            ))?;
+            let topology = commands::run::Topology::parse_toml(&plugin_path.join(topology))?;
 
             let params = commands::run::ParamsBuilder::default()
                 .topology(topology)