fix(registry): fix registry.is_installed()

2 files changed, 10 insertions, 2 deletions

diff --git a/lua/mason-registry/init.lua b/lua/mason-registry/init.lua
index bd35f073..b129380c 100644
--- a/lua/mason-registry/init.lua
+++ b/lua/mason-registry/init.lua
@@ -13,8 +13,8 @@ Registry.aliases = {}
 
 ---@param pkg_name string
 function Registry.is_installed(pkg_name)
-    local ok, stat = pcall(uv.fs_stat, InstallLocation.global():package(pkg_name), "r", 438)
-    return ok and stat.type == "directory"
+    local stat = uv.fs_stat(InstallLocation.global():package(pkg_name))
+    return stat ~= nil and stat.type == "directory"
 end
 
 ---Returns an instance of the Package class if the provided package name exists. This function errors if a package
diff --git a/tests/mason-registry/registry_spec.lua b/tests/mason-registry/registry_spec.lua
index 359c0630..35c37853 100644
--- a/tests/mason-registry/registry_spec.lua
+++ b/tests/mason-registry/registry_spec.lua
@@ -1,4 +1,5 @@
 local Pkg = require "mason-core.package"
+local test_helpers = require "mason-test.helpers"
 local registry = require "mason-registry"
 
 describe("mason-registry", function()
@@ -21,4 +22,11 @@ describe("mason-registry", function()
     it("should get all package specs", function()
         assert.equals(3, #registry.get_all_package_specs())
     end)
+
+    it("should check if package is installed", function ()
+        local dummy = registry.get_package "dummy"
+        assert.is_false(registry.is_installed "dummy")
+        test_helpers.sync_install(dummy)
+        assert.is_true(registry.is_installed "dummy")
+    end)
 end)