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main.go
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main.go
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package main
import (
"fmt"
"os"
"os/exec"
"strings"
)
func main() {
runProtoc()
}
func runProtoc() {
os.Chdir("test")
execCMD("mkdir", "-p", "todo")
execCMD("protoc", "-I../", "-I.", "--go_out=plugins=grpc+qr:todo", "todo.proto")
}
func execCMD(name string, args ...string) {
cmd := exec.Command(name, args...)
// Combine stdout and stderr
printCommand(cmd)
output, err := cmd.CombinedOutput()
printError(err)
printOutput(output)
}
func printCommand(cmd *exec.Cmd) {
fmt.Printf("==> Executing: %s\n", strings.Join(cmd.Args, " "))
}
func printError(err error) {
if err != nil {
os.Stderr.WriteString(fmt.Sprintf("==> Error: %s\n", err.Error()))
}
}
func printOutput(outs []byte) {
if len(outs) > 0 {
fmt.Printf("==> Output: %s\n", string(outs))
}
}