1 files changed, 8 insertions, 2 deletions
diff --git a/src/ring.c b/src/ring.c
index 8bb825c..9feb444 100644
--- a/src/ring.c
+++ b/src/ring.c
@@ -143,7 +143,12 @@ teco_buffer_save(teco_buffer_t *ctx, const gchar *filename, GError **error)
 static inline void
 teco_buffer_free(teco_buffer_t *ctx)
 {
-	if (ctx->state > TECO_BUFFER_DIRTY_NO_DUMP) {
+	/*
+	 * During graceful, but unexpected shutdowns (SIGTERM etc.),
+	 * we must preserve the recovery files.
+	 */
+	if (ctx->state > TECO_BUFFER_DIRTY_NO_DUMP &&
+	    teco_interrupted != TECO_TERMINATED) {
 		g_autofree gchar *filename_recovery = teco_buffer_get_recovery(ctx);
 		g_unlink(filename_recovery);
 	}
@@ -317,7 +322,8 @@ guint teco_ring_recovery_interval = 2*60;
 /**
  * Create recovery files for all dirty buffers.
  *
- * Should be called by the interface every teco_ring_recovery_interval seconds.
+ * Should be called by the interface every teco_ring_recovery_interval seconds
+ * or before graceful terminations (SIGTERM etc.).
  * This does not generate or expect undo tokens, so it can be called
  * even when idlying.
  */