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ctx.delete missing in utils.bzl? #10518

philwo opened this issue Jan 3, 2020 · 1 comment

ctx.delete missing in utils.bzl? #10518

philwo opened this issue Jan 3, 2020 · 1 comment


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@philwo philwo commented Jan 3, 2020

@aehlig I just read the code of our http_archive repository rule and came across this part:

I don't know the exact semantics of ctx.file, ctx.delete and ctx.symlink regarding how they treat the case of a file already existing, but it seems like we either need to add ctx.delete("WORKSPACE") to the else clause, too, or we don't have to ctx.delete in the other two cases - right?


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@aehlig aehlig commented Jan 8, 2020

Looking at the documentation (and verifying these assertions in tests)

  • ctx.file removes a pre-existing file,
  • while ctx.symlink may (and actually does) assume that the target location is empty.

So, we can remove two occurrences of ctx.delete. I will prepare a corresponding change.

@bazel-io bazel-io closed this in e91dca4 Jan 8, 2020
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