commit: avoid race when creating orphan commits

diff --git a/walker.c b/walker.c
index f149371e71ebdcdbd12336aace15b0fc20f74569..58ffeca264b765326a234b21356a02a3152e1c38 100644 (file)
--- a/walker.c
+++ b/walker.c
@@ -232,7 +232,7 @@ int walker_targets_stdin(char ***target, const char ***write_ref)
                        REALLOC_ARRAY(*write_ref, targets_alloc);
                }
                (*target)[targets] = xstrdup(tg_one);
-               (*write_ref)[targets] = rf_one ? xstrdup(rf_one) : NULL;
+               (*write_ref)[targets] = xstrdup_or_null(rf_one);
                targets++;
        }
        strbuf_release(&buf);
@@ -299,7 +299,7 @@ int walker_fetch(struct walker *walker, int targets, char **target,
                strbuf_reset(&refname);
                strbuf_addf(&refname, "refs/%s", write_ref[i]);
                if (ref_transaction_update(transaction, refname.buf,
-                                          &sha1[20 * i], NULL, 0, 0,
+                                          &sha1[20 * i], NULL, 0,
                                           msg ? msg : "fetch (unknown)",
                                           &err)) {
                        error("%s", err.buf);