Call the option --remove-untracked instead.

Author: PetterS

poetry/console/commands/install.py

@@ -20,9 +20,9 @@ class InstallCommand(EnvCommand):
             "(implicitly enables --verbose).",
         ),
         option(
-            "keep-untracked",
+            "remove-untracked",
             None,
-            "Does not remove packages not present in the lock file.",
+            "Removes packages not present in the lock file.",
         ),
         option(
             "extras",
@@ -63,7 +63,7 @@ def handle(self):
         installer.extras(extras)
         installer.dev_mode(not self.option("no-dev"))
         installer.dry_run(self.option("dry-run"))
-        installer.keep_untracked(self.option("keep-untracked"))
+        installer.remove_untracked(self.option("remove-untracked"))
         installer.verbose(self.option("verbose"))
 
         return_code = installer.run()

poetry/installation/installer.py

@@ -39,7 +39,7 @@ def __init__(
         self._pool = pool
 
         self._dry_run = False
-        self._keep_untracked = False
+        self._remove_untracked = False
         self._update = False
         self._verbose = False
         self._write_lock = True
@@ -84,13 +84,13 @@ def dry_run(self, dry_run=True):  # type: (bool) -> Installer
     def is_dry_run(self):  # type: () -> bool
         return self._dry_run
 
-    def keep_untracked(self, keep_untracked=True):  # type: (bool) -> Installer
-        self._keep_untracked = keep_untracked
+    def remove_untracked(self, remove_untracked=True):  # type: (bool) -> Installer
+        self._remove_untracked = remove_untracked
 
         return self
 
-    def is_keep_untracked(self):  # type: () -> bool
-        return self._keep_untracked
+    def is_remove_untracked(self):  # type: () -> bool
+        return self._remove_untracked
 
     def verbose(self, verbose=True):  # type: (bool) -> Installer
         self._verbose = verbose
@@ -433,7 +433,7 @@ def _get_operations_from_lock(
 
             ops.append(op)
 
-        if not self._keep_untracked:
+        if self._remove_untracked:
             for installed in installed_repo.packages:
                 is_in_lock_file = False
                 for locked in locked_repository.packages: