Return WorkspaceLocatorErorr when unable to find workspace

Author: soapy1

crates/pixi_core/src/workspace/discovery.rs

@@ -40,9 +40,9 @@ pub enum DiscoveryStart {
 
 impl DiscoveryStart {
     /// Returns the path where the search should start.
-    pub fn path(&self) -> std::io::Result<PathBuf> {
+    pub fn path(&self) -> miette::Result<PathBuf, WorkspaceLocatorError> {
         match self {
-            DiscoveryStart::CurrentDir => std::env::current_dir(),
+            DiscoveryStart::CurrentDir => std::env::current_dir().map_err(WorkspaceLocatorError::CurrentDir),
             DiscoveryStart::SearchRoot(path) => Ok(path.clone()),
             DiscoveryStart::ExplicitManifest(path) => Ok(path.clone()),
             DiscoveryStart::WorkspaceRegistry(name) => {
@@ -131,13 +131,6 @@ pub enum WorkspaceLocatorError {
     MissingWorkspacePath { name: String, path: PathBuf },
 }
 
-impl From<WorkspaceLocatorError> for std::io::Error {
-    fn from(err: WorkspaceLocatorError) -> Self {
-        // Create a new std::io::Error, using Other kind and the source error
-        std::io::Error::other(err)
-    }
-}
-
 impl WorkspaceLocator {
     /// Constructs a new instance tailored for finding the workspace for CLI
     /// commands.