Remove leftover nextflow files after download #3729
Description
Note: This was commented on main the downloads functionality pull request #3634
I'm testing the feature on a few pipelines and noticed that there are some leftover files from running nextflow
$ env NXF_SINGULARITY_CACHEDIR='' nf-core pipelines download -r 1.11.0 -o fngs -x none -c yes -s singularity -d 4 nf-core/fetchngs
(...)
$ find .nextflow/ work/ null/
.nextflow/
.nextflow/cache
.nextflow/cache/db157365-7982-4394-a757-10579ac6e684
.nextflow/cache/db157365-7982-4394-a757-10579ac6e684/db
.nextflow/cache/db157365-7982-4394-a757-10579ac6e684/db/000003.log
.nextflow/cache/db157365-7982-4394-a757-10579ac6e684/db/LOCK
.nextflow/cache/db157365-7982-4394-a757-10579ac6e684/db/MANIFEST-000002
.nextflow/cache/db157365-7982-4394-a757-10579ac6e684/db/CURRENT
.nextflow/cache/db157365-7982-4394-a757-10579ac6e684/index.kickass_leibniz
.nextflow/plr
work/
null/
null/pipeline_info
null/pipeline_info/execution_timeline_2025-08-16_14-29-22.html
null/pipeline_info/pipeline_dag_2025-08-16_14-29-22.html
null/pipeline_info/execution_report_2025-08-16_14-29-22.html
null/pipeline_info/execution_trace_2025-08-16_14-29-22.txt(null is the default value of outdir for this pipeline. For other pipelines it could be something else)
Originally posted by @muffato in #3634 (comment)