Replace Ammonite with Scala-CLI #1165
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Scala-CLI is the new command-line runner for the Scala language, intended to replace Ammonite.
The ODKFull image defines the COURSIER_CACHE environment variable to /tools/.coursier-cache, so Ammonite and Scala-CLI expect to be able to store their downloaded dependencies in there. If we run under a non-privileged user, we need to ensure that, if the directory does not exist, it is created and given to the odkuser. (If the directory already exists, it means a host directory has been explicitly bound to it, in which case permissions will already be correct, and we have nothing to do.)
Now that we have Scala-CLI, there should not be any need for Ammonite anymore.
| if [ ! -d /tools/.coursier-cache ] ; then | ||
| mkdir /tools/.coursier-cache | ||
| chown odkuser:odkuser /tools/.coursier-cache | ||
| fi |
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You removed Ammonite, but build logic to handle coursier cache? Is /tools/.coursier-cache used for anything other than ammonite?
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Scala-CLI uses it as well. :)
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@balhoff I would appreciate your input on this PR before merging it. In particular, do you think we can remove Ammonite immediately? You said on Slack that switching to Scala-CLI would require Scala users to adapt their scripts – if the migration is thought to be a difficult one, I am open to the idea of having both Ammonite and Scala-CLI co-existing in ODK 1.6, and removing Ammonite only in ODK 1.7. |
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Thanks for doing this @gouttegd! I haven't run it but I think it looks good. If you can have both in one release, then drop Ammonite, that would be amazing. |
OK, then I will merge only the first two commits of that PR (adding Scala-CLI, but leaving Ammonite in place). We won’t remove Ammonite until ODK 1.7. |
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Closing in favour of #1166, which does not include the Ammonite removal. |
This PR adds the Scala-CLI runner to the ODKFull image, as a replacement for Ammonite.
closes #1161
closes #1162