External import example
This pipeline has an import coming from a different repository.
Usage
Nothing special, the pipeline runs as expected:
$ nextflow run wbazant/nextflow-extmodules-example
N E X T F L O W ~ version 21.04.1
Pulling wbazant/nextflow-extmodules-example ...
Launching `wbazant/nextflow-extmodules-example` [amazing_ride] - revision: 9aa97c443a [master]
executor > local (1)
[5f/17c761] process > sayHello [100%] 1 of 1 ✔
Hej world!
Tested with nextflow version 21.04.1.5556.
Adding an import as a submodule
mkdir extmodules
cd extmodules
git submodule add git@github.com:wbazant/nextflow-hello-dsl2.git
Taken from this doc.
Mixing with DSL1?
The above script imports a DSL2 extmodule into a DSL2 main.
You can't import something into a DSL1 main, this will happen:
N E X T F L O W ~ version 21.04.1
Launching `main.nf` [focused_coulomb] - revision: a843258a57
Module feature not enabled -- Set `nextflow.enable.dsl=2` to import module files
You also can't import a DSL1 extmodule, this will happen:
N E X T F L O W ~ version 21.04.1
Launching `main.nf` [angry_bernard] - revision: 45cc8ee345
Process clause `from` should not be provided when using DSL 2
-- Check script './extmodules/hello/main.nf' at line: 8 or see '.nextflow.log' file for more details