ci: use rockspec template to fix build on windows (#13)

.github/workflows/luarocks.yml

@@ -24,6 +24,9 @@ jobs:
           detailed_description: |
             A Lua port of fzy's fuzzy string matching algorithm.
             This includes both a pure Lua implementation and a compiled C implementation with a Lua wrapper.
+            fzy tries to find the result the user wants by favoring consecutive
+            matches, and matches at the beginnings of words.
           copy_directories: |
             docs
           test_interpreters: "lua"
+          template: ".github/workflows/rockspec.template"

.github/workflows/rockspec.template

@@ -0,0 +1,46 @@
+local git_ref = '$git_ref'
+local modrev = '$modrev'
+local specrev = '$specrev'
+
+local repo_url = '$repo_url'
+
+rockspec_format = '3.0'
+package = '$package'
+version = modrev ..'-'.. specrev
+
+description = {
+  summary = '$summary',
+  detailed = $detailed_description,
+  labels = $labels,
+  homepage = '$homepage',
+  $license
+}
+
+dependencies = $dependencies
+
+test_dependencies = $test_dependencies
+
+source = {
+  url = repo_url .. '/archive/' .. git_ref .. '.zip',
+  dir = '$repo_name-' .. '$archive_dir_suffix',
+}
+
+if modrev == 'scm' or modrev == 'dev' then
+  source = {
+    url = repo_url:gsub('https', 'git')
+  }
+end
+
+build = {
+  type = "builtin",
+  modules = {
+    fzy = "src/fzy.lua",
+    fzy_lua = "src/fzy_lua.lua",
+    fzy_native = {
+      sources = { "src/fzy_native.c", "src/match.c" },
+      defines = { "LUA_COMPAT_5_1" }
+    }
+  },
+
+  copy_directories = $copy_directories,
+}