revision: "simplify" options imply topo-order sort

diff --git a/commit.c b/commit.c
index 84304c00ffeee223224e4686351935255d4c9a75..8248a994a50ab91874600567e544aa3735e4aa98 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -361,21 +361,6 @@ struct commit_list *commit_list_insert(struct commit *item, struct commit_list *
        return new_list;
 }
 
-void commit_list_reverse(struct commit_list **list_p)
-{
-       struct commit_list *prev = NULL, *curr = *list_p, *next;
-
-       if (!list_p)
-               return;
-       while (curr) {
-               next = curr->next;
-               curr->next = prev;
-               prev = curr;
-               curr = next;
-       }
-       *list_p = prev;
-}
-
 unsigned commit_list_count(const struct commit_list *l)
 {
        unsigned c = 0;
@@ -454,7 +439,8 @@ struct commit *pop_most_recent_commit(struct commit_list **list,
        return ret;
 }
 
-void clear_commit_marks(struct commit *commit, unsigned int mark)
+static void clear_commit_marks_1(struct commit_list **plist,
+                                struct commit *commit, unsigned int mark)
 {
        while (commit) {
                struct commit_list *parents;
@@ -469,12 +455,20 @@ void clear_commit_marks(struct commit *commit, unsigned int mark)
                        return;
 
                while ((parents = parents->next))
-                       clear_commit_marks(parents->item, mark);
+                       commit_list_insert(parents->item, plist);
 
                commit = commit->parents->item;
        }
 }
 
+void clear_commit_marks(struct commit *commit, unsigned int mark)
+{
+       struct commit_list *list = NULL;
+       commit_list_insert(commit, &list);
+       while (list)
+               clear_commit_marks_1(&list, pop_commit(&list), mark);
+}
+
 void clear_commit_marks_for_object_array(struct object_array *a, unsigned mark)
 {
        struct object *object;
@@ -1160,9 +1154,9 @@ int commit_tree_extended(const struct strbuf *msg, unsigned char *tree,
 
        /* Person/date information */
        if (!author)
-               author = git_author_info(IDENT_ERROR_ON_NO_NAME);
+               author = git_author_info(IDENT_STRICT);
        strbuf_addf(&buffer, "author %s\n", author);
-       strbuf_addf(&buffer, "committer %s\n", git_committer_info(IDENT_ERROR_ON_NO_NAME));
+       strbuf_addf(&buffer, "committer %s\n", git_committer_info(IDENT_STRICT));
        if (!encoding_is_utf8)
                strbuf_addf(&buffer, "encoding %s\n", git_commit_encoding);
 
@@ -1205,3 +1199,30 @@ struct commit *get_merge_parent(const char *name)
        }
        return commit;
 }
+
+/*
+ * Append a commit to the end of the commit_list.
+ *
+ * next starts by pointing to the variable that holds the head of an
+ * empty commit_list, and is updated to point to the "next" field of
+ * the last item on the list as new commits are appended.
+ *
+ * Usage example:
+ *
+ *     struct commit_list *list;
+ *     struct commit_list **next = &list;
+ *
+ *     next = commit_list_append(c1, next);
+ *     next = commit_list_append(c2, next);
+ *     assert(commit_list_count(list) == 2);
+ *     return list;
+ */
+struct commit_list **commit_list_append(struct commit *commit,
+                                       struct commit_list **next)
+{
+       struct commit_list *new = xmalloc(sizeof(struct commit_list));
+       new->item = commit;
+       *next = new;
+       new->next = NULL;
+       return &new->next;
+}