安装包成功，Update-Package总是失败。为什么？

I'm lead developer on a project where, even though we're not using .Net, we're using nuget as a packaging technology because...well...because it ticks a lot of boxes for us (i.e. packaging as a single artifact, versioning, internal nuget server for distribution). In practice we make heavy use of the I'm lead developer on a project where, even tho