/// <summary>
/// Creates a pull request from the given updates.
/// </summary>
/// <param name="updates"></param>
/// <returns>The pull request url when a pr was created; <see langref="null" /> if no PR is necessary</returns>
private async Task <string> CreatePullRequestAsync(List <UpdateAssetsParameters> updates)
{
(string targetRepository, string targetBranch) = await GetTargetAsync();
IRemote darcRemote = await DarcRemoteFactory.GetRemoteAsync(targetRepository, Logger);
List <(UpdateAssetsParameters update, List <DependencyDetail> deps)> requiredUpdates =
await GetRequiredUpdates(updates, DarcRemoteFactory, targetRepository, targetBranch);
if (requiredUpdates.Count < 1)
{
return(null);
}
string newBranchName = $"darc-{targetBranch}-{Guid.NewGuid()}";
await darcRemote.CreateNewBranchAsync(targetRepository, targetBranch, newBranchName);
try
{
using (var description = new StringWriter())
{
description.WriteLine("This pull request updates the following dependencies");
description.WriteLine();
await CommitUpdatesAsync(requiredUpdates, description, darcRemote, targetRepository, newBranchName);
var inProgressPr = new InProgressPullRequest
{
// Calculate the subscriptions contained within the
// update. Coherency updates do not have subscription info.
ContainedSubscriptions = requiredUpdates
.Where(u => !u.update.IsCoherencyUpdate)
.Select(
u => new SubscriptionPullRequestUpdate
{
SubscriptionId = u.update.SubscriptionId,
BuildId = u.update.BuildId
})
.ToList()
};
string prUrl = await darcRemote.CreatePullRequestAsync(
targetRepository,
new PullRequest
{
Title = await ComputePullRequestTitleAsync(inProgressPr, targetBranch),
Description = description.ToString(),
BaseBranch = targetBranch,
HeadBranch = newBranchName
});
if (!string.IsNullOrEmpty(prUrl))
{
inProgressPr.Url = prUrl;
await StateManager.SetStateAsync(PullRequest, inProgressPr);
await StateManager.SaveStateAsync();
await Reminders.TryRegisterReminderAsync(
PullRequestCheck,
null,
TimeSpan.FromMinutes(5),
TimeSpan.FromMinutes(5));
return(prUrl);
}
// Something wrong happened when trying to create the PR but didn't throw an exception (probably there was no diff).
// We need to delete the branch also in this case.
await darcRemote.DeleteBranchAsync(targetRepository, newBranchName);
return(null);
}
}
catch
{
await darcRemote.DeleteBranchAsync(targetRepository, newBranchName);
throw;
}
}