unable to parse package name containing local version specifier about rattler-build HOT 5 OPEN

This is actually an issue for rattler (not rattler-build) if I understand correctly :)

Although it would be interesting to test that rattler-build does not put the local version in the filename.

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PS: can you open the issue here as well? https://github.com/mamba-org/rattler

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@ChristopherRussell I investigated a bit more and I am not sure wether the local version is really the problem.

Can you double check if you have any packages with fewer than two dashes in them?

The code looks like the following:

let package = s.rsplitn(3, '-').nth(2).ok_or("invalid filename")?;

We expect a package filename to look like foo-1.2.3-0.tar.bz2 or foo-1.2.3-hash_0.tar.bz2 or foo-base-1.2.3-hash_0.conda (i.e. to have at least two dashes). The dashes split name, version and build string.

I'll also adjust the error message to mention missing dashes.

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@ChristopherRussell - I opened a PR that might improve the error message here: mamba-org/rattler#757

If you find the offending package, can you let us know? We could think about making the parsing more lenient and adding a fallback if only a single - is found. Or no - is found ...

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Thanks for investigating and opening the other issue for me!

The error message was:

invalid filename at line 38856 column 38

and the snippet below shows the entry starting at the 38856'th line (or 'line 38855' if you call the first line 'line 0'). I don't think the error refers to the previous line though as it's only a few characters long (a few spaces plus a close bracket). We also have noarch and win-64 sections in the channel, but the repodata.json files for those are shorter than 38856 lines so can't be the cause of the error.

    },
    "libxgboost-0.6+218_omp_0.tar.bz2": {     <---- Line 38856
      "build": "0",
      "build_number": 0,
      "depends": [],
      "extra": {
        "git": {
          "branch": "HEAD",
          "commit": "2715bae",
          "sha": "2715baef64c07546314977caf858d1cce1043b66"
        },
        "package": {
          "md5": "43b62a5ba9470354c6244353bfcad65d"
        },
        "system": {
          "cwd": "/some/path/to/a/dir",
          "node": "name.company.com",
          "os": "Linux",
          "prefix": "/some/path",
          "time": "2017-04-06 14:13:26.296584",
          "user": "some_user"
        },
        "versions": {
         "conda": "4.1.12",
          "conda-build": "1.21.7",
          "conda-tox": "0.6.5",
          "python": "3.5.2"
        }
      },
      "features": "omp",
      "md5": "477ec8a7faa700d27138e1cdf8fec967",
      "name": "libxgboost",
      "sha256": "4005a7034a294aa0d063aa5c4273f09e21cd04e1997e436f5bf0aada7e5c91da",
      "size": 912390,
      "subdir": "linux-64",
      "version": "0.6+218"
    },

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