Check for execution path to see if is a brew installation

Signed-off-by: Kate Goldenring <[email protected]>

crates/common/src/data_dir.rs

@@ -18,11 +18,12 @@ pub fn default_data_dir() -> Result<PathBuf> {
 /// Get the package manager specific data directory
 fn package_manager_data_dir() -> Option<PathBuf> {
     if let Ok(brew_prefix) = std::env::var("HOMEBREW_PREFIX") {
-        let data_dir = Path::new(&brew_prefix).join("var").join("spin");
-
-        if data_dir.is_dir() {
+        if std::env::current_exe()
+            .map(|p| p.starts_with(&brew_prefix))
+            .unwrap_or(false)
+        {
+            let data_dir = Path::new(&brew_prefix).join("etc").join("fermyon-spin");
             return Some(data_dir);
-            // TODO: check if they also have plugins in non-brew default dir and warn
         }
     }
     None

crates/plugins/src/store.rs

@@ -25,10 +25,12 @@ impl PluginStore {
     }
 
     pub fn try_default() -> Result<Self> {
-        if let Ok(test_dir) = std::env::var("TEST_PLUGINS_DIRECTORY") {
-            return Ok(Self::new(PathBuf::from(test_dir)));
-        }
-        Ok(Self::new(default_data_dir()?.join("plugins")))
+        let data_dir = if let Ok(test_dir) = std::env::var("TEST_PLUGINS_DIRECTORY") {
+            PathBuf::from(test_dir).join("spin")
+        } else {
+            default_data_dir()?
+        };
+        Ok(Self::new(data_dir.join("plugins")))
     }
 
     /// Gets the path to where Spin plugin are installed.