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dimitri / el-get

Manage the external elisp bits and pieces upon which you depend!
http://tapoueh.org/emacs/el-get.html
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No means of specifying init-time dependencies #574

Closed sudish closed 12 years ago

sudish commented 12 years ago

el-get-sources' :depends is for installation-time dependencies, not init-time. There's no way to specify initialization order for el-get-sources right now, unless I'm overlooking something.

Do we want to have :depends influence init order as well? Init order may not need all the dependencies of install-time, but since it's guaranteed all packages in :depends are installed, there's no problem with using :depends to guide init order.

-Sudish

sudish commented 12 years ago

As a quick clarification: eval-after-load allows for safe handling of init order problems and #573 would make this even easier by referring to packages by el-get :name. The above is to simplify all of this to a simple declaration in el-get-sources.

The example I just ran into: I just discovered and started using package init files (el-get-user-package-directory). My haskellmode-emacs setup code references filladapt-token-table. :depends filladapt doesn't work since that's install time. Wrapping the appropriate code in a (eval-after-load 'filladapt ...) solves the load ordering problem.

The :depends filladapt solution for init order is appealing because it's more declarative and also because it permits referring to the dependency by el-get package name rather than file name. el-get-eval-after-load as mentioned in #573 would have the latter property as well.

There's no real need for either bit of func, though, given that eval-after-load is always available.

dimitri commented 12 years ago

I'm surprised, because we already apply the dependency ordering to packages to initialize. Care to provide a test case?

DarwinAwardWinner commented 12 years ago

Are you saying that your personal haskell mode customizations depend on filladapt, but adding :depends filladapt to your haskell mode recipe fails to initialize filladapt first?

sudish commented 12 years ago

That was what I was saying, but I seem to have omitted a :features filladapt from my el-get-sources stanza. I just tested again with that and a :depends filladapt in the haskellmode-emacs init and all is well.

Apologies for the false report. Closing this now.