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Add setting and behavior to skip checks if dependency isn't direct
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Up to now, we were running the SL check even if the project did not have a direct dependency with SL or the sponsorable package. This is because analyzers are (by design, for now?) transitive and this can't even be stopped via NuGet (see dotnet/sdk#1212 and NuGet/Home#6279).

We now introduce a `transitive` setting (defaulting to false) that is combined with the package dependencies to detect the indirect-ness and if so, skip the check.

Note that unless all the targets are in place to surface this indirect-ness to the analyzer, the check *will* be performed. This shields against the scenario where users might tweak targets to try to avoid getting the check to run at all.
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@kzu
kzu committed Mar 15, 2023
1 parent 2e3b536 commit 4d0b1a7
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Showing 4 changed files with 79 additions and 17 deletions.
4 changes: 1 addition & 3 deletions src/Package/PublicAPI.Shipped.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,4 @@ static Devlooped.DiagnosticExtensions.IsKind(this Microsoft.CodeAnalysis.Diagnos
Devlooped.SponsorLinkSettings.SupportedDiagnostics.get -> System.Collections.Immutable.ImmutableArray<Microsoft.CodeAnalysis.DiagnosticDescriptor!>
Devlooped.SponsorLinkSettings.SupportedDiagnostics.set -> void
virtual Devlooped.SponsorLink.OnDiagnostic(string! projectPath, Devlooped.DiagnosticKind kind) -> Microsoft.CodeAnalysis.Diagnostic?
static Devlooped.SponsorLinkSettings.Create(string! sponsorable, string! product) -> Devlooped.SponsorLinkSettings!
static Devlooped.SponsorLinkSettings.Create(string! sponsorable, string! product, string? packageId = null, string? diagnosticsIdPrefix = null, int pauseMin = 0, int pauseMax = 4000) -> Devlooped.SponsorLinkSettings!
static Devlooped.SponsorLinkSettings.Create(string! sponsorable, string! product, string? packageId = null, string? version = null, string? diagnosticsIdPrefix = null, int pauseMin = 0, int pauseMax = 4000, int? quietDays = null) -> Devlooped.SponsorLinkSettings!
static Devlooped.SponsorLinkSettings.Create(string! sponsorable, string! product) -> Devlooped.SponsorLinkSettings!
5 changes: 4 additions & 1 deletion src/Package/PublicAPI.Unshipped.txt
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Expand Up @@ -3,4 +3,7 @@ Devlooped.SponsorStatus
Devlooped.SponsorStatus.AppMissing = 0 -> Devlooped.SponsorStatus
Devlooped.SponsorStatus.NotSponsoring = 1 -> Devlooped.SponsorStatus
Devlooped.SponsorStatus.Sponsoring = 2 -> Devlooped.SponsorStatus
static Devlooped.SponsorCheck.CheckAsync(string! workingDirectory, string! sponsorable, string! product, string? packageId = null, string? version = null, System.Net.Http.HttpClient? http = null) -> System.Threading.Tasks.Task<Devlooped.SponsorStatus?>!
static Devlooped.SponsorCheck.CheckAsync(string! workingDirectory, string! sponsorable, string! product, string? packageId = null, string? version = null, System.Net.Http.HttpClient? http = null) -> System.Threading.Tasks.Task<Devlooped.SponsorStatus?>!
static Devlooped.SponsorLinkSettings.Create(string! sponsorable, string! product, string? packageId = null, string? version = null, string? diagnosticsIdPrefix = null, int pauseMin = 0, int pauseMax = 4000, int? quietDays = null, bool transitive = false) -> Devlooped.SponsorLinkSettings!
static Devlooped.SponsorLinkSettings.Create(string! sponsorable, string! product, string? packageId, string? diagnosticsIdPrefix, int pauseMin, int pauseMax) -> Devlooped.SponsorLinkSettings!
static Devlooped.SponsorLinkSettings.Create(string! sponsorable, string! product, string? packageId, string? version, string? diagnosticsIdPrefix, int pauseMin, int pauseMax, int? quietDays) -> Devlooped.SponsorLinkSettings!
39 changes: 32 additions & 7 deletions src/Package/SponsorLink.cs
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Expand Up @@ -216,6 +216,23 @@ void AnalyzeSponsors(CompilationAnalysisContext context)
return;
}

var dependency = context.Options.AdditionalFiles
.Where(x => context.Options.AnalyzerConfigOptionsProvider.GetOptions(x) is var fileOptions &&
fileOptions.TryGetValue("build_metadata.AdditionalFiles.SourceItemType", out var itemType) &&
itemType == "PackageDependencies" &&
fileOptions.TryGetValue("build_metadata.AdditionalFiles.SourceIdentity", out var itemSpec) &&
itemSpec == settings.PackageId)
.Select(x => context.Options.AnalyzerConfigOptionsProvider.GetOptions(x).TryGetValue("build_metadata.AdditionalFiles.ParentPackage", out var parent) ?
parent : null)
.ToImmutableList();

// We should not perform the check if the project is not referencing the package
// We detect this by checking the dependencies (see runtime targets which add
// PackageDependencies for the settings.PackageId from @SponsorablePackageId),
// and if the dependency is found and has a non-null ParentPackage, it means it's
// a transitive dependency.
// Note that we default to being non-transitive.
var shouldSkip = !settings.Transitive && dependency.Any(x => x != null);

var (insideEditor, designTimeBuild) = ReadOptions(globalOptions);
var info = new BuildInfo(projectFile!, insideEditor, designTimeBuild);
Expand Down Expand Up @@ -500,15 +517,23 @@ void ReportExisting(CompilationAnalysisContext context, string? projectFile)

static Diagnostic WriteMessage(string sponsorable, string product, string projectDir, Diagnostic diag)
{
var objDir = Path.Combine(projectDir, "obj", "SponsorLink", sponsorable, product);
if (Directory.Exists(objDir))
try
{
foreach (var file in Directory.EnumerateFiles(objDir))
File.Delete(file);
}
var objDir = Path.Combine(projectDir, "obj", "SponsorLink", sponsorable, product);
if (Directory.Exists(objDir))
{
foreach (var file in Directory.EnumerateFiles(objDir))
File.Delete(file);
}

Directory.CreateDirectory(objDir);
File.WriteAllText(Path.Combine(objDir, $"{diag.Id}.{diag.Severity}.txt"), diag.GetMessage());
Directory.CreateDirectory(objDir);
File.WriteAllText(Path.Combine(objDir, $"{diag.Id}.{diag.Severity}.txt"), diag.GetMessage());
}
// This is best-effort only. Cases where it can fail, is when bring run from
// the Roslyn analyzer host, which is in program files, and if the project path
// is empty, or in a folder that requires admin rights.
catch (IOException) { }
catch (UnauthorizedAccessException) { }

return diag;
}
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48 changes: 42 additions & 6 deletions src/Package/SponsorLinkSettings.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@ public class SponsorLinkSettings
/// </summary>
/// <param name="sponsorable">The sponsor account to check for sponsorships.</param>
/// <param name="product">The product that uses SponsorLink. Used in diagnostics to clarify the product requesting the sponsor link check.</param>
// <Previous release> BACKCOMPAT OVERLOAD -- DO NOT TOUCH
public static SponsorLinkSettings Create(string sponsorable, string product)
=> Create(sponsorable, product,
packageId: default,
Expand All @@ -51,12 +52,13 @@ public static SponsorLinkSettings Create(string sponsorable, string product)
/// a default one is determined from the <paramref name="sponsorable"/> and <paramref name="product"/> values.</param>
/// <param name="pauseMin">Min random milliseconds to apply during build for non-sponsoring users. Use 0 for no pause.</param>
/// <param name="pauseMax">Max random milliseconds to apply during build for non-sponsoring users. Use 0 for no pause.</param>
// <Previous release> BACKCOMPAT OVERLOAD -- DO NOT TOUCH
[EditorBrowsable(EditorBrowsableState.Never)]
public static SponsorLinkSettings Create(string sponsorable, string product,
string? packageId = default,
string? diagnosticsIdPrefix = default,
int pauseMin = 0,
int pauseMax = DefaultMaxPause) => Create(sponsorable, product,
string? packageId,
string? diagnosticsIdPrefix,
int pauseMin,
int pauseMax) => Create(sponsorable, product,
packageId: packageId,
diagnosticsIdPrefix: diagnosticsIdPrefix,
version: default,
Expand All @@ -78,13 +80,46 @@ public static SponsorLinkSettings Create(string sponsorable, string product,
/// <param name="pauseMin">Min random milliseconds to apply during build for non-sponsoring users. Use 0 for no pause.</param>
/// <param name="pauseMax">Max random milliseconds to apply during build for non-sponsoring users. Use 0 for no pause.</param>
/// <param name="quietDays">Optional days to keep warnings quiet so the user has a chance to test the product undisturbed.</param>
// <Previous release> BACKCOMPAT OVERLOAD -- DO NOT TOUCH
[EditorBrowsable(EditorBrowsableState.Never)]
public static SponsorLinkSettings Create(string sponsorable, string product,
string? packageId,
string? version,
string? diagnosticsIdPrefix,
int pauseMin,
int pauseMax,
int? quietDays) => Create(sponsorable, product,
packageId: packageId,
version: version,
diagnosticsIdPrefix: diagnosticsIdPrefix,
pauseMin: pauseMin,
pauseMax: pauseMax,
quietDays: quietDays,
transitive: false);

/// <summary>
/// Creates the settings for <see cref="SponsorLink"/> with the given values.
/// </summary>
/// <param name="sponsorable">The sponsor account to check for sponsorships.</param>
/// <param name="product">The product that uses SponsorLink. Used in diagnostics to clarify the product requesting the sponsor link check.</param>
/// <param name="packageId">Optional NuGet package identifier of the product performing the check. Defaults to <paramref name="product"/>.
/// Used to determine installation time of the product and avoid pausing builds or emitting warnings during the
/// <paramref name="quietDays"/> after install.</param>
/// <param name="version">Optional product or package version.</param>
/// <param name="diagnosticsIdPrefix">Prefix to use for diagnostics with numbers <c>02,03,04</c> reported by default. If not provided,
/// a default one is determined from the <paramref name="sponsorable"/> and <paramref name="product"/> values.</param>
/// <param name="pauseMin">Min random milliseconds to apply during build for non-sponsoring users. Use 0 for no pause.</param>
/// <param name="pauseMax">Max random milliseconds to apply during build for non-sponsoring users. Use 0 for no pause.</param>
/// <param name="quietDays">Optional days to keep warnings quiet so the user has a chance to test the product undisturbed.</param>
/// <param name="transitive">Whether the check is transitive (enforced when dependency is indirect in a project).</param>
public static SponsorLinkSettings Create(string sponsorable, string product,
string? packageId = default,
string? version = default,
string? diagnosticsIdPrefix = default,
int pauseMin = 0,
int pauseMax = DefaultMaxPause,
int? quietDays = default)
int? quietDays = default,
bool transitive = default)
{
if (quietDays < 0)
// Throwing would be a backwards incompatible change.
Expand Down Expand Up @@ -129,7 +164,8 @@ public static SponsorLinkSettings Create(string sponsorable, string product,
PauseMin = pauseMin,
PauseMax = pauseMax,
QuietDays = quietDays,
SupportedDiagnostics = SponsorLink.Diagnostics.GetDescriptors(sponsorable, diagnosticsIdPrefix)
SupportedDiagnostics = SponsorLink.Diagnostics.GetDescriptors(sponsorable, diagnosticsIdPrefix),
Transitive = transitive
};
}

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