Update action binary

src/utils.ts

@@ -0,0 +1,34 @@
+import os from 'os'
+import * as path from 'path'
+
+// arch in [arm, arm64, x64...] (https://nodejs.org/docs/latest-v16.x/api/os.html#osarch)
+// return value in [amd64, arm64, arm]
+const mapArch = (arch: string): string => {
+  const mappings: Record<string, string> = {
+    x64: 'amd64'
+  }
+  return mappings[arch] || arch
+}
+
+// os in [darwin, linux, win32...] (https://nodejs.org/docs/latest-v16.x/api/os.html#osplatform)
+// return value in [darwin, linux, windows]
+const mapOS = (platform: string): string => {
+  const mappings: Record<string, string> = {
+    win32: 'windows'
+  }
+  return mappings[platform] || platform
+}
+
+export const getDownloadObject = (
+  version: string
+): {url: string; binPath: string} => {
+  const platform = mapOS(os.platform())
+  const arch = mapArch(os.arch())
+  const filename = `supabase_${version}_${platform}_${arch}`
+  const binPath = platform === 'windows' ? 'bin' : path.join(filename, 'bin')
+  const url = `https://github.com/supabase/cli/releases/download/v${version}/${filename}.tar.gz`
+  return {
+    url,
+    binPath
+  }
+}