added supported git lfs

checkout-go/action.yml

@@ -30,6 +30,10 @@ inputs:
     description: 'Whether to execute `git clean -ffdx && git reset --hard HEAD` before fetching'
     required: false
     default: true
+  lfs:
+    description: 'Supported lfs module or not'
+    required: false
+    default: false
 
 runs:
   using: 'go'

checkout-go/main.go

@@ -17,10 +17,9 @@ type Config struct {
 	CheckoutType CheckoutType
 	FetchDepth   string
 	Clean        bool
+	LFS          bool
 }
 
-// todo lfs
-
 type CheckoutType string
 
 const (
@@ -41,6 +40,12 @@ func getConfig() Config {
 		cleanBool = false
 	}
 
+	lfs := os.Getenv("INPUT_LFS")
+	lfsBool := false
+	if lfs == "1" || lfs == "true" || lfs == "t" {
+		lfsBool = true
+	}
+
 	return Config{
 		Repository:   os.Getenv("INPUT_REPOSITORY"),
 		Ref:          os.Getenv("INPUT_REF"),
@@ -50,6 +55,7 @@ func getConfig() Config {
 		CheckoutType: CheckoutType(os.Getenv("INPUT_CHECKOUTTYPE")),
 		FetchDepth:   fetchDepth,
 		Clean:        cleanBool,
+		LFS:          lfsBool,
 	}
 }
 
@@ -88,6 +94,11 @@ func main() {
 		run("git", "-C", cfg.Path, "fetch", fmt.Sprintf("--depth=%s", cfg.FetchDepth), "origin", cfg.Ref)
 		run("git", "-C", cfg.Path, "checkout", "FETCH_HEAD")
 	}
+
+	if cfg.LFS {
+		run("git", "-C", cfg.Path, "lfs", "install", "--local")
+		run("git", "-C", cfg.Path, "lfs", "pull")
+	}
 }
 
 func run(name string, args ...string) {