1 files changed, 43 insertions, 0 deletions
diff --git a/lua/mason-registry/index/erg/init.lua b/lua/mason-registry/index/erg/init.lua
new file mode 100644
index 00000000..d0b8b50b
--- /dev/null
+++ b/lua/mason-registry/index/erg/init.lua
@@ -0,0 +1,43 @@
+local Pkg = require "mason-core.package"
+local github = require "mason-core.managers.github"
+local platform = require "mason-core.platform"
+local _ = require "mason-core.functional"
+
+return Pkg.new {
+    name = "erg",
+    desc = [[A statically typed language that can deeply improve the Python ecosystem.]],
+    homepage = "https://github.com/erg-lang/erg",
+    languages = { Pkg.Lang.Erg },
+    categories = { Pkg.Cat.LSP, Pkg.Cat.Compiler },
+    ---@async
+    ---@param ctx InstallContext
+    install = function(ctx)
+        local repo = "erg-lang/erg"
+        local asset_file = _.coalesce(
+            _.when(platform.is.mac_x64, "erg-x86_64-apple-darwin.tar.gz"),
+            _.when(platform.is.mac_arm64, "erg-aarch64-apple-darwin.tar.gz"),
+            _.when(platform.is.linux_x64_gnu, "erg-x86_64-unknown-linux-gnu.tar.gz"),
+            _.when(platform.is.win_x64, "erg-x86_64-pc-windows-msvc.zip")
+        )
+        platform.when {
+            unix = function()
+                github
+                    .untargz_release_file({
+                        repo = repo,
+                        asset_file = asset_file,
+                    })
+                    .with_receipt()
+                ctx:link_bin("erg", "erg")
+            end,
+            win = function()
+                github
+                    .unzip_release_file({
+                        repo = repo,
+                        asset_file = asset_file,
+                    })
+                    .with_receipt()
+                ctx:link_bin("erg", "erg.exe")
+            end,
+        }
+    end,
+}