A Predicament

Recently we spent some time contributing to dib-lab/eelpond (renamed to elvers), an executable Snakemake workflow for running the eelpond mRNAseq workflow.

In the process of tracking down a confusing bug in the Snakemake workflow, we used Snakemake's ability to print a directed acyclic graph (hereafter referred to as a dag) representing its task graph. Snakemake prints the dot …