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52: The HgToGitConverter waits for child processes indefinitely #165

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@@ -32,6 +32,7 @@
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.*;
import java.util.concurrent.TimeUnit;
import java.util.function.Function;
import java.util.logging.Logger;
@@ -79,6 +80,15 @@ Path stderr() {
return stderr;

int waitForProcess() throws InterruptedException {
var finished = process.waitFor(12, TimeUnit.HOURS);
if (!finished) {
throw new RuntimeException("Command '" + String.join(" ", command) + "' did not finish in 12 hours");
return process.exitValue();

public void close() throws IOException {
if (stdout != null) {
@@ -605,7 +615,7 @@ private ProcessInfo fastImport(ReadOnlyRepository repo) throws IOException {

private void await(ProcessInfo p) throws IOException {
try {
int res = p.process().waitFor();
int res = p.waitForProcess();
if (res != 0) {
var msg = String.join(" ", p.command()) + " exited with status " + res;
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