Allow in_merge_bases() to take more than one reference commits.

The internal function in_merge_bases(A, B) is used to make sure
that commit A is an ancestor of commit B.  This changes the
signature of it to take an array of B's and updates its current
callers.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/builtin-branch.c b/builtin-branch.c
index d3df5a57f127f44d7ff48a419d51ca108c7c9618..020ed6be7be2b3f10dde4b96d12ea2846b6c14b7 100644 (file)
--- a/builtin-branch.c
+++ b/builtin-branch.c
@@ -134,7 +134,7 @@ static int delete_branches(int argc, const char **argv, int force, int kinds)
                 */
 
                if (!force &&
                 */
 
                if (!force &&

-                   !in_merge_bases(rev, head_rev)) {
+                   !in_merge_bases(rev, &head_rev, 1)) {

                        error("The branch '%s' is not a strict subset of "
                                "your current HEAD.\n"
                                "If you are sure you want to delete it, "
                        error("The branch '%s' is not a strict subset of "
                                "your current HEAD.\n"
                                "If you are sure you want to delete it, "

diff --git a/builtin-reflog.c b/builtin-reflog.c
index a967117661c4cf888f992a198955d542f9182f21..fb37984ae6d60915cab112b6b73a35c23db22221 100644 (file)
--- a/builtin-reflog.c
+++ b/builtin-reflog.c
@@ -217,8 +217,8 @@ static int expire_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
 
        if ((timestamp < cb->cmd->expire_unreachable) &&
            (!cb->ref_commit ||
 
        if ((timestamp < cb->cmd->expire_unreachable) &&
            (!cb->ref_commit ||

-            (old && !in_merge_bases(old, cb->ref_commit)) ||
-            (new && !in_merge_bases(new, cb->ref_commit))))
+            (old && !in_merge_bases(old, &cb->ref_commit, 1)) ||
+            (new && !in_merge_bases(new, &cb->ref_commit, 1))))

                goto prune;
 
        if (cb->newlog)
                goto prune;
 
        if (cb->newlog)

diff --git a/commit.c b/commit.c
index 496d37aa020871aed111002c2be0380366a70baa..aa14c5adb02e6720bfc03f1c84977078f4c16f15 100644 (file)
--- a/commit.c
+++ b/commit.c
@@ -1158,14 +1158,17 @@ struct commit_list *get_merge_bases(struct commit *one,
        return result;
 }
 
        return result;
 }
 

-int in_merge_bases(struct commit *rev1, struct commit *rev2)
+int in_merge_bases(struct commit *commit, struct commit **reference, int num)

 {
        struct commit_list *bases, *b;
        int ret = 0;
 
 {
        struct commit_list *bases, *b;
        int ret = 0;
 

-       bases = get_merge_bases(rev1, rev2, 1);
+       if (num == 1)
+               bases = get_merge_bases(commit, *reference, 1);
+       else
+               die("not yet");

        for (b = bases; b; b = b->next) {
        for (b = bases; b; b = b->next) {

-               if (!hashcmp(rev1->object.sha1, b->item->object.sha1)) {
+               if (!hashcmp(commit->object.sha1, b->item->object.sha1)) {

                        ret = 1;
                        break;
                }
                        ret = 1;
                        break;
                }

diff --git a/commit.h b/commit.h
index 936f8fce301672b5b78352a217403cc319ab3f07..b8e6e18a806bd40c3dc58b0e5c32c5dd6acdce69 100644 (file)
--- a/commit.h
+++ b/commit.h
@@ -114,5 +114,5 @@ extern int is_repository_shallow();
 extern struct commit_list *get_shallow_commits(struct object_array *heads,
                int depth, int shallow_flag, int not_shallow_flag);
 
 extern struct commit_list *get_shallow_commits(struct object_array *heads,
                int depth, int shallow_flag, int not_shallow_flag);
 

-int in_merge_bases(struct commit *rev1, struct commit *rev2);
+int in_merge_bases(struct commit *, struct commit **, int);

 #endif /* COMMIT_H */
 #endif /* COMMIT_H */