/// <summary>
/// Runs a blocking force checkout to <paramref name="committish"/>
/// </summary>
/// <param name="committish">The committish to checkout</param>
/// <param name="progressReporter">Progress reporter <see cref="Action{T}"/></param>
/// <param name="cancellationToken">The <see cref="CancellationToken"/> for the operation</param>
void RawCheckout(string committish, Action <int> progressReporter, CancellationToken cancellationToken)
{
logger.LogTrace("Checkout: {0}", committish);
progressReporter(0);
cancellationToken.ThrowIfCancellationRequested();
var checkoutOptions = new CheckoutOptions
{
CheckoutModifiers = CheckoutModifiers.Force,
OnCheckoutProgress = CheckoutProgressHandler(progressReporter)
};
void RunCheckout() => commands.Checkout(
libGitRepo,
checkoutOptions,
committish);
try
{
RunCheckout();
}
catch (NotFoundException)
{
// Maybe (likely) a remote?
var remoteName = $"origin/{committish}";
var potentialBranch = libGitRepo.Branches.FirstOrDefault(
branch => branch.FriendlyName.Equals(remoteName, StringComparison.Ordinal));
cancellationToken.ThrowIfCancellationRequested();
if (potentialBranch == default)
{
throw;
}
logger.LogDebug("Creating local branch for {0}...", potentialBranch.FriendlyName);
libGitRepo.CreateBranch(committish, potentialBranch.Tip);
cancellationToken.ThrowIfCancellationRequested();
RunCheckout();
}
cancellationToken.ThrowIfCancellationRequested();
libGitRepo.RemoveUntrackedFiles();
}
/// <inheritdoc />
public Task <bool> ShaIsParent(string sha, CancellationToken cancellationToken) => Task.Factory.StartNew(
() =>
{
var targetCommit = libGitRepo.Lookup <Commit>(sha);
if (targetCommit == null)
{
logger.LogTrace("Commit {0} not found in repository", sha);
return(false);
}
cancellationToken.ThrowIfCancellationRequested();
var startSha = Head;
var mergeResult = libGitRepo.Merge(
targetCommit,
new Signature(
DefaultCommitterName,
DefaultCommitterEmail,
DateTimeOffset.UtcNow),
new MergeOptions
{
FastForwardStrategy = FastForwardStrategy.FastForwardOnly,
FailOnConflict = true,
});
if (mergeResult.Status == MergeStatus.UpToDate)
{
return(true);
}
commands.Checkout(
libGitRepo,
new CheckoutOptions
{
CheckoutModifiers = CheckoutModifiers.Force,
},
startSha);
return(false);
},
cancellationToken,
DefaultIOManager.BlockingTaskCreationOptions,
TaskScheduler.Current);
