wip

vicuna-tools.d/main.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"log"
+	"os"
+)
+
+var Config struct {
+	Port     int
+	SessionD string
+}
+
+func main() {
+	ctx, cleanup := contextWithCleanup(context.Background())
+	defer cleanup()
+	config(ctx)
+
+	log.Printf("%+v", Config)
+}
+
+func contextWithCleanup(ctx context.Context) (context.Context, func()) {
+	m := map[int]func(){}
+	ctx = context.WithValue(ctx, "__cleanup__", m)
+	return ctx, func() {
+		defer func() {
+			recover()
+		}()
+		for _, v := range m {
+			v()
+		}
+	}
+}
+
+func contextWithCleanupFunc(ctx context.Context, foo func()) {
+	v := ctx.Value("__cleanup__")
+	if v == nil {
+		panic("cannot get context with cleanup func that doesnt have cleanup init")
+	}
+	m := v.(map[int]func())
+	m[len(m)] = foo
+}
+
+func config(ctx context.Context) {
+	d, err := os.MkdirTemp(os.TempDir(), "ai.*")
+	if err != nil {
+		panic(err)
+	}
+	contextWithCleanupFunc(ctx, func() { os.RemoveAll(d) })
+
+	flag.IntVar(&Config.Port, "p", 8080, "port to listen on")
+	flag.StringVar(&Config.SessionD, "d", d, "dir to store sessions")
+	flag.Parse()
+}