fsmonitor: move default settings to config/misc.toml

lib/src/config/misc.toml

@@ -1,3 +1,9 @@
+[core]
+fsmonitor = "none"
+
+[core.watchman]
+register_snapshot_trigger = false
+
 [debug]
 # commit-timestamp = <now>
 # operation-timestamp = <now>

lib/src/fsmonitor.rs

@@ -25,7 +25,6 @@
 use std::path::PathBuf;
 
 use crate::config::ConfigGetError;
-use crate::config::ConfigGetResultExt as _;
 use crate::settings::UserSettings;
 
 /// Config for Watchman filesystem monitor (<https://facebook.github.io/watchman/>).
@@ -59,28 +58,22 @@ impl FsmonitorSettings {
     /// Creates an `FsmonitorSettings` from a `config`.
     pub fn from_settings(settings: &UserSettings) -> Result<FsmonitorSettings, ConfigGetError> {
         let name = "core.fsmonitor";
-        match settings.get_string(name) {
-            Ok(s) => match s.as_str() {
-                "watchman" => Ok(Self::Watchman(WatchmanConfig {
-                    register_trigger: settings
-                        .get_bool("core.watchman.register_snapshot_trigger")
-                        .optional()?
-                        .unwrap_or_default(),
-                })),
-                "test" => Err(ConfigGetError::Type {
-                    name: name.to_owned(),
-                    error: "Cannot use test fsmonitor in real repository".into(),
-                    source_path: None,
-                }),
-                "none" => Ok(Self::None),
-                other => Err(ConfigGetError::Type {
-                    name: name.to_owned(),
-                    error: format!("Unknown fsmonitor kind: {other}").into(),
-                    source_path: None,
-                }),
-            },
-            Err(ConfigGetError::NotFound { .. }) => Ok(Self::None),
-            Err(err) => Err(err),
+        match settings.get_string(name)?.as_ref() {
+            "watchman" => Ok(Self::Watchman(WatchmanConfig {
+                // TODO: rename to "register-snapshot-trigger" for consistency?
+                register_trigger: settings.get_bool("core.watchman.register_snapshot_trigger")?,
+            })),
+            "test" => Err(ConfigGetError::Type {
+                name: name.to_owned(),
+                error: "Cannot use test fsmonitor in real repository".into(),
+                source_path: None,
+            }),
+            "none" => Ok(Self::None),
+            other => Err(ConfigGetError::Type {
+                name: name.to_owned(),
+                error: format!("Unknown fsmonitor kind: {other}").into(),
+                source_path: None,
+            }),
         }
     }
 }