internal void Combine(PackagingResult other)
{
Successful &= other.Successful;
Terminated |= other.Terminated;
NeedRestart |= other.NeedRestart;
Errors += other.Errors;
}
internal static Dictionary <Version, PackagingResult> ExecuteAssemblyPatches(SnComponentInfo assemblyComponent,
RepositoryStartSettings settings = null)
{
var patchResults = new Dictionary <Version, PackagingResult>();
// If there is no installed component for this id, skip patching.
var installedComponent = RepositoryVersionInfo.Instance.Components.FirstOrDefault(c => c.ComponentId == assemblyComponent.ComponentId);
if (installedComponent == null)
{
return(patchResults);
}
// check which db version is supported by the assembly
if (assemblyComponent.SupportedVersion == null ||
assemblyComponent.SupportedVersion <= installedComponent.Version)
{
return(patchResults);
}
// Supported version in the assembly is higher than
// the physical version: there should be a patch.
if (!(assemblyComponent.Patches?.Any() ?? false))
{
throw new InvalidOperationException($"Missing patch for component {installedComponent.ComponentId}. " +
$"Installed version is {installedComponent.Version}. " +
$"The assembly requires at least version {assemblyComponent.SupportedVersion}.");
}
foreach (var patch in assemblyComponent.Patches)
{
// this variable is refreshed in every cycle
if (installedComponent == null)
{
break;
}
if (patch.MinVersion > patch.MaxVersion ||
patch.MaxVersion > patch.Version)
{
// the patch version numbers are the responsibility of the developer of the component
SnLog.WriteWarning(
$"Patch {patch.Version} for component {assemblyComponent.ComponentId} cannot be executed because it contains invalid version numbers.",
properties: new Dictionary <string, object>
{
{ "MinVersion", patch.MinVersion },
{ "MaxVersion", patch.MaxVersion }
});
continue;
}
if (!string.IsNullOrEmpty(patch.Contents) && patch.Execute != null)
{
// ambigous patch definition
SnLog.WriteWarning(
$"Patch {patch.Version} for component {assemblyComponent.ComponentId} cannot be executed because it contains multiple patch definitions.");
continue;
}
// check if the patch is relevant for the currently installed component version
if (patch.MinVersion > installedComponent.Version ||
patch.MinVersionIsExclusive && patch.MinVersion == installedComponent.Version ||
patch.MaxVersion < installedComponent.Version ||
patch.MaxVersionIsExclusive && patch.MaxVersion == installedComponent.Version)
{
continue;
}
PackagingResult patchResult;
try
{
if (patch.Contents?.StartsWith("<?xml", StringComparison.InvariantCultureIgnoreCase) ?? false)
{
// execute manifest patch
patchResult = ExecutePatch(patch.Contents, settings);
}
else if (patch.Execute != null)
{
// execute code patch
patch.Execute(new PatchContext
{
Settings = settings
});
// save the new package info manually based on the patch version number
Storage.SavePackageAsync(new Package
{
ComponentId = assemblyComponent.ComponentId,
ComponentVersion = patch.Version,
ExecutionResult = ExecutionResult.Successful,
PackageType = PackageType.Patch
}, CancellationToken.None).GetAwaiter().GetResult();
patchResult = new PackagingResult
{
NeedRestart = false,
Successful = true,
Terminated = false,
Errors = 0
};
}
else
{
//TODO: handle other patch formats (resource or filesystem path)
// unknown patch format
patchResult = new PackagingResult
{
NeedRestart = false,
Successful = false,
Terminated = false,
Errors = 0
};
}
}
catch (Exception ex)
{
SnLog.WriteException(ex,
$"Error during patch execution for component {assemblyComponent.ComponentId}. Patch target version: {patch.Version}.");
throw;
}
patchResults[patch.Version] = patchResult;
// reload
installedComponent = RepositoryVersionInfo.Instance.Components.FirstOrDefault(c =>
c.ComponentId == assemblyComponent.ComponentId);
}
return(patchResults);
}