Update workspace discovery to use workspace registry file

Author: soapy1

crates/pixi_api/src/workspace/registry/mod.rs

@@ -33,7 +33,7 @@ impl Default for WorkspaceRegistry {
 
 impl WorkspaceRegistry {
     /// Loads the workspace registry from disk, if it exists.
-    pub async fn load() -> miette::Result<Self> {
+    pub fn load() -> miette::Result<Self> {
         let path = workspace_registry_path()
             .ok_or_else(|| miette::miette!("Unable to determine pixi home directory"))?;
 

crates/pixi_cli/src/cli_config.rs

@@ -5,8 +5,9 @@ use indexmap::IndexSet;
 use itertools::Itertools;
 use miette::IntoDiagnostic;
 use pep508_rs::Requirement;
+use pixi_api::workspace::WorkspaceRegistry;
 use pixi_build_frontend::BackendOverride;
-use pixi_config::{Config, pixi_home};
+use pixi_config::Config;
 use pixi_consts::consts;
 use pixi_core::DependencyType;
 use pixi_core::Workspace;
@@ -47,11 +48,9 @@ impl WorkspaceConfig {
         if let Some(manifest_path) = &self.manifest_path {
             DiscoveryStart::ExplicitManifest(manifest_path.clone())
         } else if let Some(workspace) = &self.workspace {
-            let path = pixi_home()
-                .expect("Unable to pixi home")
-                .join(consts::DEFAULT_GLOBAL_WORKSPACE_DIR)
-                .join(workspace);
-            DiscoveryStart::ExplicitManifest(path.clone())
+            let workspace_registry = WorkspaceRegistry::load().expect("Unable to load workspace registry");
+            let path = workspace_registry.named_workspace(&workspace).expect("Unable to find workspace");
+            DiscoveryStart::ExplicitManifest(path)
         } else {
             DiscoveryStart::CurrentDir
         }

crates/pixi_cli/src/workspace/register.rs

@@ -60,7 +60,7 @@ pub enum Command {
 pub async fn execute(args: Args) -> miette::Result<()> {
     match args.command {
         Some(Command::List(args)) => {
-            let workspace_registry = WorkspaceRegistry::load().await?;
+            let workspace_registry = WorkspaceRegistry::load()?;
             let workspaces = workspace_registry.named_workspaces_map();
             let out = if args.json {
                 serde_json::to_string_pretty(&workspaces).into_diagnostic()?
@@ -77,7 +77,7 @@ pub async fn execute(args: Args) -> miette::Result<()> {
                 .into_diagnostic()?;
         }
         Some(Command::Remove(remove_args)) => {
-            let mut workspace_registry = WorkspaceRegistry::load().await?;
+            let mut workspace_registry = WorkspaceRegistry::load()?;
             workspace_registry.remove_workspace(&remove_args.name).await?;
 
             eprintln!(
@@ -115,7 +115,7 @@ pub async fn execute(args: Args) -> miette::Result<()> {
                 .unwrap_or_else(|| workspace.display_name().to_string());
             let target_path = args.path.unwrap_or_else(|| workspace.root().to_path_buf());
 
-            let mut workspace_registry = WorkspaceRegistry::load().await?;
+            let mut workspace_registry = WorkspaceRegistry::load()?;
             workspace_registry.add_workspace(target_name, target_path).await?;
 
             eprintln!(