submodule: change string_list changed_submodule_paths

Eliminate a call to 'xstrdup()' by changing the string_list
'changed_submodule_paths' to duplicated strings added to it.

Signed-off-by: Brandon Williams <bmwill@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/submodule.c b/submodule.c
index 7baa28ae05dfa0c5f81121e11a3ce472bf1294a0..3bcf44521b609aa02b5e4de034c942d002f412ec 100644 (file)
--- a/submodule.c
+++ b/submodule.c
@@ -20,7 +20,7 @@
 static int config_fetch_recurse_submodules = RECURSE_SUBMODULES_ON_DEMAND;
 static int config_update_recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
 static int parallel_jobs = 1;
-static struct string_list changed_submodule_paths = STRING_LIST_INIT_NODUP;
+static struct string_list changed_submodule_paths = STRING_LIST_INIT_DUP;
 static int initialized_fetch_ref_tips;
 static struct oid_array ref_tips_before_fetch;
 static struct oid_array ref_tips_after_fetch;
@@ -939,7 +939,7 @@ static void submodule_collect_changed_cb(struct diff_queue_struct *q,
                        struct string_list_item *path;
                        path = unsorted_string_list_lookup(&changed_submodule_paths, p->two->path);
                        if (!path && !is_submodule_commit_present(p->two->path, p->two->oid.hash))
-                               string_list_append(&changed_submodule_paths, xstrdup(p->two->path));
+                               string_list_append(&changed_submodule_paths, p->two->path);
                } else {
                        /* Submodule is new or was moved here */
                        /* NEEDSWORK: When the .git directories of submodules