internal/system: file-based big lock

Simultaneous commits or reverts can race if they have overlapping
targets. This big lock synchronises entry into the Commit and Revert
critical sections across all cmd/hakurei processes.

Signed-off-by: Ophestra <cat@gensokyo.uk>

1 files changed, 1 insertions, 1 deletions

diff --git a/internal/outcome/finalise.go b/internal/outcome/finalise.go
index 4049b8d3..7e5faab6 100644
--- a/internal/outcome/finalise.go
+++ b/internal/outcome/finalise.go
@@ -74,7 +74,7 @@ func (k *outcome) finalise(
 		return err
 	}
 
-	sys := system.New(k.ctx, msg, s.uid.unwrap())
+	sys := system.New(k.ctx, msg, s.uid.unwrap(), s.sc.SharePath.Append("lock"))
 	if err := s.newSys(config, sys).toSystem(); err != nil {
 		return err
 	}