func bakeWithLog(name, lang string, types []string, out Printfer) error {
typeString := "base"
if len(types) != 0 {
typeString = strings.Join(types, ",")
}
cmd := exec.Command(
path.Join(os.Getenv("BAKE"), "bin", "bake"),
"-v",
"-o", "Owner",
"-l", lang,
"-n", name,
"-t", typeString,
)
stdout, err := cmd.StdoutPipe()
if err != nil {
return fmt.Errorf("couldn't get bake stdout: %v", err)
}
stderr, err := cmd.StderrPipe()
if err != nil {
return fmt.Errorf("couldn't get bake stderr: %v", err)
}
err = cmd.Start()
if err != nil {
return fmt.Errorf("couldn't start bake: %v", err)
}
output, err := strio.ReadAll(stdout)
if err != nil {
return fmt.Errorf("error reading bake stdout: %v", err)
}
out.Printf("%s\n", output)
if errput, err := strio.ReadAll(stderr); err != nil {
return fmt.Errorf("error reading bake stderr: %v", err)
} else if len(errput) != 0 {
return fmt.Errorf("unexpected error output: %s", errput)
}
return cmd.Wait()
}
func (t *testCmd_) Run(expDescr string) (*result, error) {
cmdLine := t.cmd()
parts := strings.Split(cmdLine, " ")
cmd := exec.Command(parts[0], parts[1:]...)
stdout, err := cmd.StdoutPipe()
if err != nil {
return nil, fmt.Errorf("couldn't get stdout for '%s': %v",
cmdLine, err)
}
stderr, err := cmd.StderrPipe()
if err != nil {
return nil, fmt.Errorf("couldn't get stderr for '%s': %v",
cmdLine, err)
}
err = cmd.Start()
if err != nil {
return nil, fmt.Errorf("couldn't start '%s': %v", cmdLine, err)
}
output, err := strio.ReadAll(stdout)
if err != nil {
return nil, fmt.Errorf("error reading stdout for '%s': %v",
cmdLine, err)
}
errput, err := strio.ReadAll(stderr)
if err != nil {
return nil, fmt.Errorf("error reading stderr for '%s': %v",
cmdLine, err)
}
// err is set if exit status is not 0
err = cmd.Wait()
exitStatus := 0
if err != nil {
if strings.HasPrefix(err.Error(), exitStatusErr) {
// returning non-zero is not an error in this context,
// just a possible outcome of running an executable, so
// we are free to overwrite the value of err in the
// following if statement
stat := err.Error()[len(exitStatusErr):]
if exitStatus, err = strconv.Atoi(stat); err != nil {
return nil, err
}
} else {
return nil, fmt.Errorf("error waiting for '%s': %v",
cmdLine, err)
}
}
cwd, err := os.Getwd()
if err != nil {
return nil, err
}
return &result{
success_: exitStatus == 0,
descr_: cmdLine,
detail_: fmt.Sprintf(
"dir\t%s\nstdout\t|%s\nstderr\t|%s\nexit\t%d\nwant %s",
cwd,
strings.Replace(output, "\n", "\n\t|", -1),
strings.Replace(errput, "\n", "\n\t|", -1),
exitStatus,
expDescr,
),
}, nil
}