+ const char *rev = new_branch_info->name;
+ char rev_oid[GIT_MAX_HEXSZ + 1];
+
+ /*
+ * Since rev can be in the form of `<a>...<b>` (which is not
+ * recognized by diff-index), we will always replace the name
+ * with the hex of the commit (whether it's in `...` form or
+ * not) for the run_add_interactive() machinery to work
+ * properly. However, there is special logic for the HEAD case
+ * so we mustn't replace that.
+ */
+ if (rev && strcmp(rev, "HEAD"))
+ rev = oid_to_hex_r(rev_oid, &new_branch_info->commit->object.oid);