From ba4146c10d59fdb5e5a91aa8186d3067d949f6e3 Mon Sep 17 00:00:00 2001
From: Lumir Balhar <lbalhar@redhat.com>
Date: Mon, 13 Dec 2021 12:20:02 +0100
Subject: [PATCH] Empty list of commands means no need for SystemExit

---
 src/tox_current_env/hooks4.py | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/tox_current_env/hooks4.py b/src/tox_current_env/hooks4.py
index 8c78637..c11e90e 100644
--- a/src/tox_current_env/hooks4.py
+++ b/src/tox_current_env/hooks4.py
@@ -79,8 +79,13 @@ def tox_add_core_config(core_conf, config):
 def tox_add_env_config(env_conf, config):
     # This allows all external commands.
     # All of them are extenal for us.
-    loader = MemoryLoader(allowlist_externals=["*"])
-    config.core.loaders.insert(0, loader)
+    allow_external_cmds = MemoryLoader(allowlist_externals=["*"])
+    config.core.loaders.insert(0, allow_external_cmds)
+    # For print-deps-to and print-extras-to, use empty
+    # list of commands.
+    if config.options.print_deps_to or config.options.print_extras_to:
+        empty_commands = MemoryLoader(commands=[])
+        env_conf.loaders.insert(0, empty_commands)
 
 
 class CurrentEnv(PythonRun):
@@ -192,9 +197,6 @@ class PrintEnv(CurrentEnv):
             )
             self.options.print_extras_to.flush()
 
-        # We are done
-        sys.exit(0)
-
     @staticmethod
     def id():
         return "print-env"