combine-diff: convert find_paths_* to struct object_id

Convert find_paths_generic and find_paths_multitree to use struct
object_id.

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

diff --git a/combine-diff.c b/combine-diff.c
index 84981df..c823645 100644 (file)
--- a/combine-diff.c
+++ b/combine-diff.c
@@ -1311,7 +1311,7 @@ static const char *path_path(void *obj)
 
 
 /* find set of paths that every parent touches */
-static struct combine_diff_path *find_paths_generic(const unsigned char *sha1,
+static struct combine_diff_path *find_paths_generic(const struct object_id *oid,
        const struct oid_array *parents, struct diff_options *opt)
 {
        struct combine_diff_path *paths = NULL;
@@ -1336,7 +1336,7 @@ static struct combine_diff_path *find_paths_generic(const unsigned char *sha1,
                        opt->output_format = stat_opt;
                else
                        opt->output_format = DIFF_FORMAT_NO_OUTPUT;
-               diff_tree_sha1(parents->oid[i].hash, sha1, "", opt);
+               diff_tree_sha1(parents->oid[i].hash, oid->hash, "", opt);
                diffcore_std(opt);
                paths = intersect_paths(paths, i, num_parent);
 
@@ -1360,7 +1360,7 @@ static struct combine_diff_path *find_paths_generic(const unsigned char *sha1,
  * rename/copy detection, etc, comparing all trees simultaneously (= faster).
  */
 static struct combine_diff_path *find_paths_multitree(
-       const unsigned char *sha1, const struct oid_array *parents,
+       const struct object_id *oid, const struct oid_array *parents,
        struct diff_options *opt)
 {
        int i, nparent = parents->nr;
@@ -1376,7 +1376,7 @@ static struct combine_diff_path *find_paths_multitree(
        paths_head.next = NULL;
 
        strbuf_init(&base, PATH_MAX);
-       diff_tree_paths(&paths_head, sha1, parents_sha1, nparent, &base, opt);
+       diff_tree_paths(&paths_head, oid->hash, parents_sha1, nparent, &base, opt);
 
        strbuf_release(&base);
        free(parents_sha1);
@@ -1448,11 +1448,11 @@ void diff_tree_combined(const struct object_id *oid,
                 * diff(sha1,parent_i) for all i to do the job, specifically
                 * for parent0.
                 */
-               paths = find_paths_generic(oid->hash, parents, &diffopts);
+               paths = find_paths_generic(oid, parents, &diffopts);
        }
        else {
                int stat_opt;
-               paths = find_paths_multitree(oid->hash, parents, &diffopts);
+               paths = find_paths_multitree(oid, parents, &diffopts);
 
                /*
                 * show stat against the first parent even