将Eclipse插件从一个功能迁移到另一个功能的好方法是什么？ [英] What's a good way to move an Eclipse Plug-in from one Feature to another?

问题描述

假设我们有一个具有2个Eclipse功能（每个都有其自己的插件）的更新站点：

Lets assume we have an update site with 2 Eclipse features (each has it's own plug-in):

• 主要功能


• 可选功能（取决于主要功能）

在新版本中，我要折叠将可选功能的插件插入主功能。我不想再显示可选功能。

In the new version, I want to fold the plug-ins of the Optional Feature into the Main Feature. I don't want to show the Optional Feature any more.

如果按照我说的那样做，这对于新安装来说很好，但是对于更新来说，这是有问题的，因为依赖于插件确切版本的旧功能会留下来并引起冲突。

If I do the move just like I said, this is fine for new installs, but for updates it is problematic because the old feature that depends on an exact version of it's plug-in will stick around and cause a conflict.

我可以将Optional Feature保留为主要功能，但在那种情况下，仍然会有一个 Optional Feature.feature.group工件，它将需要该功能的旧版本。

I could keep the Optional Feature as an included feature of the Main Feature, but in that case there will still be an "Optional Feature.feature.group" artifact that will require the old version of the feature.

我现在是回到第一个方框，必须将可选功能作为基本功能添加回更新站点中，并向用户显示，以便在那里找到 * .feature.group。以后可以安全地卸载它，我可以在名称和描述中指出这一点，但是整个过程有些混乱，用户可能不容易理解。

I am now back to square one, having to add the Optional Feature back as a root feature in the update site and showing it to the user just to get that "*.feature.group" there. It can be safely uninstalled later and I can indicate that in the name and description, but the whole process is somewhat messy and probably not easy to understand for users. It would probably work even worse with Eclipse Marketplace installs.

安装隐藏项时出现的简化示例错误（包括在主要功能）：虚拟功能：

A simplified example error I get when installing the hidden (included in the main one) dummy feature :

Your original request has been modified.
  "Main Feature" is already installed, so an update will be performed instead.
Cannot complete the install because of a conflicting dependency.
  Software being installed: Main Feature 2 (main.feature.feature.group 2)
  Software currently installed: Optional Feature 1 (optional.feature.feature.group 1)
  Only one of the following can be installed at once: 
    Optional Feature Plug-in 1 (optional 1)
    Optional Feature Plug-in 2 (optional 2)
  Cannot satisfy dependency:
    From: Optional Feature 1 (optional.feature.feature.group 1)
    To: optional [1]
  Cannot satisfy dependency:
    From: Main Feature 2 (main.feature.feature.group 2)
    To: optional [1]

推荐答案

为什么不您不是将可选功能更改为虚拟功能（即没有插件的功能）。还应在虚拟功能的说明中明确指出它已被弃用。

Why don't you change the optional feature into a dummy feature (i.e. a feature with no plugins). Also make it clear in the description of the dummy feature that it has been deprecated.

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