@Override
protected IStatus run(IProgressMonitor monitor) {
try {
SubMonitor subMonitor = SubMonitor.convert(monitor);
// fetch target first to retrieve parent commit
String targetRef = EGitUiUtil.fetchPatchSet(subMonitor, repository, remote, target).getName();
String baseRef;
if (base != null) {
baseRef = EGitUiUtil.fetchPatchSet(subMonitor, repository, remote, base).getName();
} else {
baseRef = fetchParent(target, subMonitor);
}
openSynchronization(baseRef, targetRef);
} catch (Exception e) {
return new Status(IStatus.ERROR, GerritUiPlugin.PLUGIN_ID, "Patch set retrieval failed", e);
}
return Status.OK_STATUS;
}
public static RevCommit fetchPatchSet(
IProgressMonitor monitor, Repository repository, RemoteConfig remote, PatchSet patchSet)
throws IOException, CoreException, URISyntaxException {
try {
// commit was already fetched
return EGitUiUtil.getRevCommit(repository, patchSet);
} catch (MissingObjectException e) {
// need to fetch it
RefSpec refSpec = new RefSpec(patchSet.getRefName() + ":FETCH_HEAD"); // $NON-NLS-1$
return fetchRefSpec(monitor, repository, remote, refSpec);
}
}
private GerritToGitMapping getRepository(ChangeDetail changeDetail) {
GerritToGitMapping mapper =
new GerritToGitMapping(
getTaskEditorPage().getTaskRepository(), getConfig(), getGerritProject(changeDetail));
try {
if (mapper.find() != null) {
return mapper;
} else if (mapper.getGerritProject() != null) {
boolean create =
MessageDialog.openQuestion(
getShell(),
"Clone Git Repository",
"The referenced Git repository was not found in the workspace. Clone Git repository?");
if (create) {
int response =
EGitUiUtil.openCloneRepositoryWizard(
getShell(), getTaskEditorPage().getTaskRepository(), mapper.getGerritProject());
if (response == Window.OK && mapper.find() != null) {
return mapper;
}
}
} else {
String message =
NLS.bind(
"No Git repository found for fetching Gerrit change {0}", getTask().getTaskKey());
String reason =
NLS.bind(
"No remote config found that has fetch URL with host ''{0}'' and path matching ''{1}''",
mapper.getGerritHost(), mapper.getGerritProjectName());
GerritCorePlugin.logError(message, null);
ErrorDialog.openError(
getShell(),
"Gerrit Fetch Change Error",
message,
new Status(IStatus.ERROR, GerritUiPlugin.PLUGIN_ID, reason));
}
} catch (IOException e) {
Status status =
new Status(IStatus.ERROR, GerritUiPlugin.PLUGIN_ID, "Error accessing Git repository", e);
StatusManager.getManager()
.handle(status, StatusManager.BLOCK | StatusManager.SHOW | StatusManager.LOG);
}
return null;
}
private String fetchParent(PatchSet patchSet, IProgressMonitor monitor)
throws URISyntaxException, CoreException, IOException {
RevCommit targetCommit = EGitUiUtil.getRevCommit(repository, patchSet);
RevCommit parentCommit = targetCommit.getParents()[0];
return parentCommit.getName();
}