nf-core / nf-core/methylseq

conflicting advice in usage document

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Description

Description of the bug

In methylseq v4.1.0 noticed something unclear in the documentation. In the main usage guide under Parameters, it states:

“It is mandatory to provide --fasta along with --bismark_index / --bwameth_index parameters.”

However, on the detailed parameter page (https://nf-co.re/methylseq/parameters/), it says:

“If the aligner is Bismark and bismark_index is specified, this parameter is ignored.”

That second description is consistent with older releases I’ve used (e.g., v1.6.1), where a FASTA file was never required unless something had changed in Bismark. So I’m unsure whether the requirement in the v4.1.0 usage guide is accurate.

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System information

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Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Compare the main usage guide's Parameters section with the detailed parameter page at https://nf-co.re/methylseq/parameters/. Check the documented behavior of --fasta with --bismark_index and --bwameth_index, then make the two descriptions consistent and verify that the resulting guidance matches the current workflow behavior.

Written by the indexing model from the issue text.

Assessment

Domain
documentation
Issue type
Documentation
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
45/100

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