From 6b1d09c1e270348e8ef77d6ad8c24e1ca540215c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Johannes=20K=C3=B6ster?= <johannes.koester@tu-dortmund.de>
Date: Fri, 11 Mar 2022 17:13:12 +0100
Subject: [PATCH] fix: do not wait for named or containerized conda envs
 (#1473)

* fix: do not wait for named or containerized conda envs

* added testcase draft for issue 1456

* cleanup
---
 snakemake/jobs.py                     |  3 +++
 tests/test_github_issue1469/Snakefile | 22 ++++++++++++++++++++++
 2 files changed, 25 insertions(+)
 create mode 100644 tests/test_github_issue1469/Snakefile

diff --git a/snakemake/jobs.py b/snakemake/jobs.py
index d8a36a7e6..01bf521ab 100644
--- a/snakemake/jobs.py
+++ b/snakemake/jobs.py
@@ -1015,7 +1015,10 @@ def get_wait_for_files(self):
             self.dag.workflow.use_conda
             and self.conda_env
             and not self.conda_env.is_named
+            and not self.conda_env.is_containerized
         ):
+            # Named or containerized envs are not present on the host FS,
+            # hence we don't need to wait for them.
             wait_for_files.append(self.conda_env.address)
         return wait_for_files
 
diff --git a/tests/test_github_issue1469/Snakefile b/tests/test_github_issue1469/Snakefile
new file mode 100644
index 000000000..7894719a0
--- /dev/null
+++ b/tests/test_github_issue1469/Snakefile
@@ -0,0 +1,22 @@
+ruleorder: single_file > both_files
+
+
+rule all:
+    input:
+        "foo.txt",
+        "bar.txt",
+
+
+rule both_files:
+    output:
+        "foo.txt",
+        "bar.txt",
+    shell:
+        "if [[ -e foo.txt ]]; then exit 1; fi; touch {output}"
+
+
+rule single_file:
+    output:
+        "foo.txt",
+    shell:
+        "if [[ -e foo.txt ]]; then exit 1; fi; touch {output}"