In anticipation of more involved cleanup to come, make a helper function
for doing the cleanup at the end of handle_renames.  Rename the already
existing cleanup_rename[s]() to final_cleanup_rename[s](), name the new
helper initial_cleanup_rename(), and leave the big comment in the code
about why we can't do all the cleanup at once.

Reviewed-by: Stefan Beller <sbel...@google.com>
Signed-off-by: Elijah Newren <new...@gmail.com>
---
 merge-recursive.c | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/merge-recursive.c b/merge-recursive.c
index db8833675e..be20660527 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -1667,6 +1667,12 @@ struct rename_info {
        struct string_list *merge_renames;
 };
 
+static void initial_cleanup_rename(struct diff_queue_struct *pairs)
+{
+       free(pairs->queue);
+       free(pairs);
+}
+
 static int handle_renames(struct merge_options *o,
                          struct tree *common,
                          struct tree *head,
@@ -1697,16 +1703,13 @@ static int handle_renames(struct merge_options *o,
         * data structures are still needed and referenced in
         * process_entry().  But there are a few things we can free now.
         */
-
-       free(head_pairs->queue);
-       free(head_pairs);
-       free(merge_pairs->queue);
-       free(merge_pairs);
+       initial_cleanup_rename(head_pairs);
+       initial_cleanup_rename(merge_pairs);
 
        return clean;
 }
 
-static void cleanup_rename(struct string_list *rename)
+static void final_cleanup_rename(struct string_list *rename)
 {
        const struct rename *re;
        int i;
@@ -1722,10 +1725,10 @@ static void cleanup_rename(struct string_list *rename)
        free(rename);
 }
 
-static void cleanup_renames(struct rename_info *re_info)
+static void final_cleanup_renames(struct rename_info *re_info)
 {
-       cleanup_rename(re_info->head_renames);
-       cleanup_rename(re_info->merge_renames);
+       final_cleanup_rename(re_info->head_renames);
+       final_cleanup_rename(re_info->merge_renames);
 }
 
 static struct object_id *stage_oid(const struct object_id *oid, unsigned mode)
@@ -2128,7 +2131,7 @@ int merge_trees(struct merge_options *o,
                }
 
 cleanup:
-               cleanup_renames(&re_info);
+               final_cleanup_renames(&re_info);
 
                string_list_clear(entries, 1);
                free(entries);
-- 
2.16.1.232.g28d5be9217

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