Use input and output

action.yaml

@@ -1,5 +1,12 @@
 name: "Simple Go Action"
 description: "A simple Gitea action written in go"
+inputs:
+  username:
+    description: "The username to print"
+    required: true
+outputs:
+  time:
+    description: "The time when the action was called"
 runs:
   using: "go"
   main: "main.go"

main.go

@@ -1,13 +1,40 @@
 package main
 
 import (
-	"log/slog"
+	"fmt"
 	"os"
+	"time"
 )
 
 func main() {
-	slog.Info("Printing Environment")
-	for _, key_val := range os.Environ() {
-		slog.Info(key_val)
+	username := readInputs()
+	fmt.Printf("username is %s\n", username)
+
+	err := writeOutputs("time", time.Now().Format("2006-01-02 15:04:05"))
+	if err != nil {
+		panic(err)
 	}
 }
+
+func readInputs() string {
+	username := os.Getenv("INPUT_USERNAME")
+	return username
+}
+
+func writeOutputs(k, v string) (err error) {
+	msg := fmt.Sprintf("%s=%s", k, v)
+	outputFilepath := os.Getenv("GITHUB_OUTPUT")
+	f, err := os.OpenFile(outputFilepath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if err != nil {
+		return
+	}
+	defer func() {
+		if cErr := f.Close(); cErr != nil && err == nil {
+			err = cErr
+		}
+	}()
+	if _, err = f.Write([]byte(msg)); err != nil {
+		return
+	}
+	return
+}