private void RewriteReference(DirectReference oldRef, ObjectId newTarget, string backupNamePrefix, Queue <Action> rollbackActions)
{
string newRefName = oldRef.CanonicalName;
if (oldRef.IsTag() && tagNameRewriter != null)
{
newRefName = Reference.TagPrefix +
tagNameRewriter(oldRef.CanonicalName.Substring(Reference.TagPrefix.Length), false, oldRef.Target);
}
if (oldRef.Target.Id == newTarget && oldRef.CanonicalName == newRefName)
{
// The reference isn't rewritten
return;
}
string backupName = backupNamePrefix + oldRef.CanonicalName.Substring("refs/".Length);
if (repo.Refs.Resolve <Reference>(backupName) != null)
{
throw new InvalidOperationException(
String.Format("Can't back up reference '{0}' - '{1}' already exists", oldRef.CanonicalName, backupName));
}
repo.Refs.Add(backupName, oldRef.TargetIdentifier, false, "filter-branch: backup");
rollbackActions.Enqueue(() => repo.Refs.Remove(backupName));
Reference newRef = repo.Refs.UpdateTarget(oldRef, newTarget, "filter-branch: rewrite");
rollbackActions.Enqueue(() => repo.Refs.UpdateTarget(oldRef, oldRef.Target.Id, "filter-branch: abort"));
if (newRef.CanonicalName == newRefName)
{
return;
}
repo.Refs.Move(newRef, newRefName);
rollbackActions.Enqueue(() => repo.Refs.Move(newRef, oldRef.CanonicalName));
}
private void RewriteReference(DirectReference oldRef, ObjectId newTarget, string backupNamePrefix, Queue<Action> rollbackActions)
{
string newRefName = oldRef.CanonicalName;
if (oldRef.IsTag() && tagNameRewriter != null)
{
newRefName = Reference.TagPrefix +
tagNameRewriter(oldRef.CanonicalName.Substring(Reference.TagPrefix.Length), false, oldRef.Target);
}
if (oldRef.Target.Id == newTarget && oldRef.CanonicalName == newRefName)
{
// The reference isn't rewritten
return;
}
string backupName = backupNamePrefix + oldRef.CanonicalName.Substring("refs/".Length);
if (repo.Refs.Resolve<Reference>(backupName) != null)
{
throw new InvalidOperationException(
String.Format("Can't back up reference '{0}' - '{1}' already exists", oldRef.CanonicalName, backupName));
}
repo.Refs.Add(backupName, oldRef.TargetIdentifier, false, "filter-branch: backup");
rollbackActions.Enqueue(() => repo.Refs.Remove(backupName));
Reference newRef = repo.Refs.UpdateTarget(oldRef, newTarget, "filter-branch: rewrite");
rollbackActions.Enqueue(() => repo.Refs.UpdateTarget(oldRef, oldRef.Target.Id, "filter-branch: abort"));
if (newRef.CanonicalName == newRefName)
{
return;
}
repo.Refs.Move(newRef, newRefName);
rollbackActions.Enqueue(() => repo.Refs.Move(newRef, oldRef.CanonicalName));
}
