private ApplyResourceChangeResult <RegistryKeyResource> DoDelete(
ApplyResourceChangeInput <RegistryKeyResource> input)
{
var oldRes = input.PriorState;
var pState = StateHelper.Deserialize <PrivateState>(input.PlannedPrivate);
_log.LogInformation($"Deleting registry key at [{oldRes.Root}][{oldRes.Path}]");
RegistryKey root = RegUtil.ParseRootKey(oldRes.Root);
RegistryKey oldKey = root.OpenSubKey(oldRes.Path, true);
if (oldKey != null)
{
string delKey = null;
using (var regKey = oldKey)
{
ApplyValueDiffs(regKey, toDel: oldRes.Entries);
var subKeysLen = oldKey.GetSubKeyNames()?.Length ?? 0;
var valuesLen = oldKey.GetValueNames()?.Length ?? 0;
var forceDel = oldRes.ForceOnDelete ?? false;
if (!(pState?.RegistryKeyCreated ?? false))
{
_log.LogWarning("registry key was not created by us");
}
if (subKeysLen > 0)
{
_log.LogWarning($"registry key still has [{subKeysLen}] subkey(s)");
}
if (valuesLen > 0)
{
_log.LogWarning($"registry key still has [{valuesLen}] value(s)");
}
if (!(pState?.RegistryKeyCreated ?? false) || subKeysLen > 0 || valuesLen > 0)
{
if (forceDel)
{
_log.LogWarning("forced delete specified");
delKey = oldKey.Name;
}
else
{
_log.LogWarning("reg key was not created by us or is not empty, SKIPPING delete");
}
}
else
{
delKey = oldKey.Name;
}
}
if (delKey != null)
{
var openParent = RegUtil.OpenParentWithName(delKey, true);
if (openParent == null)
{
_log.LogWarning($"Cannot delete Registry Key [{delKey}], malformed path");
}
else
{
var(delRoot, parent, name) = openParent.Value;
_log.LogInformation($"Deleting Registry Key [{name}] under [{(parent??delRoot).Name}] ({delRoot.Name})");
using (var regKey = parent)
{
regKey.DeleteSubKeyTree(name, false);
}
}
}
}
else
{
_log.LogInformation("Could not open existing, prior reg key, skipping");
}
return(new ApplyResourceChangeResult <RegistryKeyResource>
{
NewState = input.PlannedState,
Private = null,
});
}