feat(linker): add ruby exec wrapper delegate (#1260)

3 files changed, 26 insertions, 3 deletions

diff --git a/lua/mason-core/installer/context.lua b/lua/mason-core/installer/context.lua
index 10f6629f..e42393ff 100644
--- a/lua/mason-core/installer/context.lua
+++ b/lua/mason-core/installer/context.lua
@@ -254,6 +254,21 @@ function InstallContext:write_node_exec_wrapper(new_executable_rel_path, script_
 end
 
 ---@param new_executable_rel_path string Relative path to the executable file to create.
+---@param script_rel_path string Relative path to the Node.js script.
+function InstallContext:write_ruby_exec_wrapper(new_executable_rel_path, script_rel_path)
+    if not self.fs:file_exists(script_rel_path) then
+        error(("Cannot write Ruby exec wrapper for path %q as it doesn't exist."):format(script_rel_path), 0)
+    end
+    return self:write_shell_exec_wrapper(
+        new_executable_rel_path,
+        ("ruby %q"):format(path.concat {
+            self.package:get_install_path(),
+            script_rel_path,
+        })
+    )
+end
+
+---@param new_executable_rel_path string Relative path to the executable file to create.
 ---@param script_rel_path string Relative path to the PHP script.
 function InstallContext:write_php_exec_wrapper(new_executable_rel_path, script_rel_path)
     if not self.fs:file_exists(script_rel_path) then
diff --git a/lua/mason-core/installer/registry/expr.lua b/lua/mason-core/installer/registry/expr.lua
index ad7cfd43..a07fc00d 100644
--- a/lua/mason-core/installer/registry/expr.lua
+++ b/lua/mason-core/installer/registry/expr.lua
@@ -1,5 +1,6 @@
 local Result = require "mason-core.result"
 local _ = require "mason-core.functional"
+local platform = require "mason-core.platform"
 
 local M = {}
 
@@ -40,6 +41,9 @@ local FILTERS = {
     take_if_not = take_if_not,
     to_lower = _.to_lower,
     to_upper = _.to_upper,
+    is_platform = function(target)
+        return platform.is[target]
+    end,
 }
 
 ---@generic T : table
diff --git a/lua/mason-core/installer/registry/link.lua b/lua/mason-core/installer/registry/link.lua
index 76741112..108c4233 100644
--- a/lua/mason-core/installer/registry/link.lua
+++ b/lua/mason-core/installer/registry/link.lua
@@ -79,6 +79,13 @@ local bin_delegates = {
             return ctx:write_node_exec_wrapper(bin, target)
         end)
     end,
+    ["ruby"] = function(target, bin)
+        local installer = require "mason-core.installer"
+        local ctx = installer.context()
+        return Result.pcall(function()
+            return ctx:write_ruby_exec_wrapper(bin, target)
+        end)
+    end,
     ["exec"] = function(target, bin)
         local installer = require "mason-core.installer"
         local ctx = installer.context()
@@ -152,9 +159,6 @@ local function expand_bin(ctx, spec, purl, source)
         local expr_ctx = {
             version = purl.version,
             source = source,
-            is_platform = function(target)
-                return platform.is[target]
-            end,
         }
 
         local bin_table = spec.bin