test: introduce go-timeout

License: MIT
Signed-off-by: Jakub Sztandera <kubuxu@protonmail.ch>

test/dependencies/go-timeout/.gitignore

+go-timeout

test/dependencies/go-timeout/LICENSE

+The MIT License (MIT)
+
+Copyright (c) 2016 Jakub "Kubuxu" Sztandera <k.sztandera@protonmail.ch>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+

test/dependencies/go-timeout/main.go

+package main
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"os/exec"
+	"strconv"
+	"syscall"
+	"time"
+)
+
+func main() {
+	if len(os.Args) < 3 {
+		fmt.Fprintf(os.Stderr,
+			"Usage: %s <timeout-in-sec> <command ...>\n", os.Args[0])
+		os.Exit(1)
+	}
+	timeout, err := strconv.ParseUint(os.Args[1], 10, 32)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error: %v\n", err)
+		os.Exit(1)
+	}
+	ctx, _ := context.WithTimeout(context.Background(), time.Duration(timeout)*time.Second)
+
+	cmd := exec.CommandContext(ctx, os.Args[2], os.Args[3:]...)
+	cmd.Stdin = os.Stdin
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	err = cmd.Start()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error: %v\n", err)
+	}
+	err = cmd.Wait()
+
+	if err != nil {
+		if ctx.Err() != nil {
+			os.Exit(124)
+		} else {
+			exitErr, ok := err.(*exec.ExitError)
+			if !ok {
+				fmt.Fprintf(os.Stderr, "Error: %v\n", err)
+				os.Exit(255)
+			}
+			waits, ok := exitErr.Sys().(syscall.WaitStatus)
+			if !ok {
+				fmt.Fprintf(os.Stderr, "Error: %v\n", err)
+				os.Exit(255)
+			}
+			os.Exit(waits.ExitStatus())
+		}
+	} else {
+		os.Exit(0)
+	}
+}