git-svn: avoid creating some small files

diff --git a/revision.c b/revision.c
index 2294b16ea2aa0b508073e7800ccb5975a2254301..6a6952cd559af89d3c8dc2c477ddd8c25b470d66 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -53,8 +53,9 @@ static void mark_blob_uninteresting(struct blob *blob)
 
 void mark_tree_uninteresting(struct tree *tree)
 {
+       struct tree_desc desc;
+       struct name_entry entry;
        struct object *obj = &tree->object;
-       struct tree_entry_list *entry;
 
        if (obj->flags & UNINTERESTING)
                return;
@@ -63,17 +64,22 @@ void mark_tree_uninteresting(struct tree *tree)
                return;
        if (parse_tree(tree) < 0)
                die("bad tree %s", sha1_to_hex(obj->sha1));
-       entry = tree->entries;
-       tree->entries = NULL;
-       while (entry) {
-               struct tree_entry_list *next = entry->next;
-               if (entry->directory)
-                       mark_tree_uninteresting(entry->item.tree);
+
+       desc.buf = tree->buffer;
+       desc.size = tree->size;
+       while (tree_entry(&desc, &entry)) {
+               if (S_ISDIR(entry.mode))
+                       mark_tree_uninteresting(lookup_tree(entry.sha1));
                else
-                       mark_blob_uninteresting(entry->item.blob);
-               free(entry);
-               entry = next;
+                       mark_blob_uninteresting(lookup_blob(entry.sha1));
        }
+
+       /*
+        * We don't care about the tree any more
+        * after it has been marked uninteresting.
+        */
+       free(tree->buffer);
+       tree->buffer = NULL;
 }
 
 void mark_parents_uninteresting(struct commit *commit)
@@ -733,6 +739,14 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                                revs->abbrev = DEFAULT_ABBREV;
                                continue;
                        }
+                       if (!strncmp(arg, "--abbrev=", 9)) {
+                               revs->abbrev = strtoul(arg + 9, NULL, 10);
+                               if (revs->abbrev < MINIMUM_ABBREV)
+                                       revs->abbrev = MINIMUM_ABBREV;
+                               else if (revs->abbrev > 40)
+                                       revs->abbrev = 40;
+                               continue;
+                       }
                        if (!strcmp(arg, "--abbrev-commit")) {
                                revs->abbrev_commit = 1;
                                continue;