Add version API

Signed-off-by: Odyssey <odyssey346@disroot.org>

serve/serve.go

@@ -7,6 +7,8 @@ import (
 	"html/template"
 	"log"
 	"os"
+	"runtime"
+	"runtime/debug"
 	"time"
 
 	"codeberg.org/gothub/gothub/pages"
@@ -169,6 +171,28 @@ func Serve() {
 		c.Response().Header.Del(fiber.HeaderServer)
 		return nil
 	})
+
+	api := app.Group("/api")
+	v1 := api.Group("/v1")
+	v1.Get("/version", func(c *fiber.Ctx) error {
+		// taken from https://git.vern.cc/pjals/bestofbot.
+		var Version = func() string {
+			if info, ok := debug.ReadBuildInfo(); ok {
+				for _, setting := range info.Settings {
+					if setting.Key == "vcs.revision" {
+						return setting.Value[:8]
+					}
+				}
+			}
+			return "unknown"
+		}()
+		return c.JSON(fiber.Map{
+			"version":      Version,
+			"fiberversion": fiber.Version,
+			"goversion":    runtime.Version(),
+		})
+	})
+
 	val, ok := os.LookupEnv("GOTHUB_PORT")
 	if !ok {
 		val = "3000"