private async Task <bool> IsGroupJoinableAsync(
BuildManifestLocation location,
string commit,
string buildId,
IEnumerable <string> changedSemaphorePaths,
JoinSemaphoreGroup joinGroup)
{
string[] remainingSemaphores = joinGroup
.ParallelSemaphorePaths
.Except(changedSemaphorePaths)
.ToArray();
if (remainingSemaphores.Length == joinGroup.ParallelSemaphorePaths.Count())
{
// No semaphores in this group are changing: it can't be joinable by this update.
return(false);
}
// TODO: Avoid redundant fetches if multiple groups share a semaphore. https://github.com/dotnet/buildtools/issues/1910
bool[] remainingSemaphoreIsComplete = await Task.WhenAll(
remainingSemaphores.Select(
async path =>
{
SemaphoreModel semaphore = await FetchSemaphoreAsync(
location.GitHubProject,
commit,
location.GitHubBasePath,
path);
return(semaphore?.BuildId == buildId);
}));
return(remainingSemaphoreIsComplete.All(x => x));
}
public async Task <SemaphoreModel> FetchSemaphoreAsync(
GitHubProject project,
string @ref,
string basePath,
string semaphorePath)
{
string contents = await _github.GetGitHubFileContentsAsync(
$"{basePath}/{semaphorePath}",
project,
@ref);
return(SemaphoreModel.Parse(semaphorePath, contents));
}
