From 834dc220b9a521157370655057e0f9e23ace17eb Mon Sep 17 00:00:00 2001
From: Victor Lin <13424970+victorlin@users.noreply.github.com>
Date: Thu, 21 Sep 2023 15:16:59 -0700
Subject: [PATCH] Don't use sequences in metadata-based subsampling

Removing unnecessary sequence I/O should improve workflow run times.
---
 workflow/snakemake_rules/core.smk | 2 --
 1 file changed, 2 deletions(-)

diff --git a/workflow/snakemake_rules/core.smk b/workflow/snakemake_rules/core.smk
index dbe8aa7b..77299730 100644
--- a/workflow/snakemake_rules/core.smk
+++ b/workflow/snakemake_rules/core.smk
@@ -47,7 +47,6 @@ rule filter:
 
 rule subsample:
     input:
-        sequences=rules.filter.output.sequences,
         metadata=rules.filter.output.metadata,
     output:
         strains=build_dir + "/{build_name}/{sample}_strains.txt",
@@ -65,7 +64,6 @@ rule subsample:
     shell:
         """
         augur filter \
-            --sequences {input.sequences} \
             --metadata {input.metadata} \
             --metadata-id-columns {params.strain_id} \
             --output-strains {output.strains} \