--override-input: Imply --no-write-lock-file

Fixes #3779.

1 files changed, 10 insertions, 0 deletions

diff --git a/src/nix/flake.cc b/src/nix/flake.cc
index 2f0c468a8..d37791aba 100644
--- a/src/nix/flake.cc
+++ b/src/nix/flake.cc
@@ -110,6 +110,7 @@ struct CmdFlakeUpdate : FlakeCommand
         removeFlag("recreate-lock-file");
         removeFlag("update-input");
         removeFlag("no-update-lock-file");
+        removeFlag("no-write-lock-file");
     }
 
     std::string doc() override
@@ -124,6 +125,7 @@ struct CmdFlakeUpdate : FlakeCommand
         settings.tarballTtl = 0;
 
         lockFlags.recreateLockFile = true;
+        lockFlags.writeLockFile = true;
 
         lockFlake();
     }
@@ -136,6 +138,12 @@ struct CmdFlakeLock : FlakeCommand
         return "create missing lock file entries";
     }
 
+    CmdFlakeLock()
+    {
+        /* Remove flags that don't make sense. */
+        removeFlag("no-write-lock-file");
+    }
+
     std::string doc() override
     {
         return
@@ -147,6 +155,8 @@ struct CmdFlakeLock : FlakeCommand
     {
         settings.tarballTtl = 0;
 
+        lockFlags.writeLockFile = true;
+
         lockFlake();
     }
 };