Rework

src/config.rs

@@ -0,0 +1,23 @@
+use std::path::Path;
+
+use serde::{Deserialize, Serialize};
+
+use super::Error;
+
+#[derive(Clone, Debug, Serialize, Deserialize)]
+#[serde(deny_unknown_fields)]
+pub(crate) struct Config {
+    pub post_commands: Option<Vec<String>>,
+}
+
+pub(crate) fn from_path(path: &Path) -> Result<Option<Config>, Error> {
+    let content = match std::fs::read_to_string(path) {
+        Ok(p) => p,
+        Err(e) => match e.kind() {
+            std::io::ErrorKind::NotFound => return Ok(None),
+            _ => return Err(Error::ConfigFileOpen(e)),
+        },
+    };
+
+    Ok(Some(toml::from_str(&content)?))
+}