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controller.go
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controller.go
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// Copyright 2022 Namespace Labs Inc; All rights reserved.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
package main
import (
"log"
"os"
"os/exec"
"strconv"
"namespacelabs.dev/foundation/std/development/filesync"
)
func main() {
// Args structure is [root] [port] [server provided flags]
log.SetFlags(log.Lmicroseconds | log.LstdFlags)
if len(os.Args) < 4 {
log.Fatal("must be passed at least root, port and server")
}
root := os.Args[1]
portStr := os.Args[2]
command := os.Args[3]
args := os.Args[4:]
port, err := strconv.ParseInt(portStr, 10, 32)
if err != nil {
log.Fatalf("failed to parse port: %v", err)
}
go filesync.StartFileSyncServer(&filesync.FileSyncConfiguration{
RootDir: root,
Port: int32(port),
})
cmd := exec.Command(command, args...)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
// Directory and env are inherited.
if err := cmd.Run(); err != nil {
if exitErr, ok := err.(*exec.ExitError); ok {
os.Exit(exitErr.ExitCode())
}
log.Fatal(err)
}
}