public async Task ExecuteAsync(MergeModel mergeModel)
{
await CheckIfWorkspaceHasIncludedPendingChangesAsync(mergeModel.WorkspaceModel);
await DoGetLatestOnBranchAsync(mergeModel.WorkspaceModel, mergeModel.SourceBranch, mergeModel.TargetBranch);
SetCurrentAction(Resources.MergingBranches);
await _mergeService.MergeBranchesAsync(mergeModel.WorkspaceModel, mergeModel.SourceBranch, mergeModel.TargetBranch, mergeModel.OrderedChangesets.First().ChangesetId, mergeModel.OrderedChangesets.Last().ChangesetId);
var workItemIds = await GetWorkItemIdsAsync(mergeModel.OrderedChangesets.Select(x => x.ChangesetId));
var comment = GetCommentForMerge(mergeModel, workItemIds);
_teamExplorerService.AddWorkItemsAndCommentThenNavigate(mergeModel.WorkspaceModel, comment, workItemIds);
}