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[PATCH] Allow multiple date-ordered lists 

Make pop_most_recent_commit() return the same objects multiple times, but only
if called with different bits to mark.

This is necessary to make merge-base work again.

Signed-Off-By: Daniel Barkalow <barkalow@iabervon.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Daniel Barkalow 2005-04-23 20:29:22 -07:00 committed by Linus Torvalds
parent 4056c09114
commit 58e28af6a4
4 changed files with 13 additions and 26 deletions
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8
commit.c
View File

@ -114,7 +114,8 @@ void sort_by_date(struct commit_list **list)
*list = ret;
}
struct commit *pop_most_recent_commit(struct commit_list **list)
struct commit *pop_most_recent_commit(struct commit_list **list,
unsigned int mark)
{
struct commit *ret = (*list)->item;
struct commit_list *parents = ret->parents;
@ -125,8 +126,9 @@ struct commit *pop_most_recent_commit(struct commit_list **list)
while (parents) {
struct commit *commit = parents->item;
if (!commit->object.parsed) {
parse_commit(commit);
parse_commit(commit);
if (!(commit->object.flags & mark)) {
commit->object.flags |= mark;
insert_by_date(list, commit);
}
parents = parents->next;

3
commit.h
View File

@ -31,6 +31,7 @@ void sort_by_date(struct commit_list **list);
/** Removes the first commit from a list sorted by date, and adds all
* of its parents.
**/
struct commit *pop_most_recent_commit(struct commit_list **list);
struct commit *pop_most_recent_commit(struct commit_list **list,
unsigned int mark);
#endif /* COMMIT_H */

26
merge-base.c
View File

@ -6,29 +6,11 @@ static struct commit *process_list(struct commit_list **list_p, int this_mark,
int other_mark)
{
struct commit *item = (*list_p)->item;
if (item->object.flags & this_mark) {
/*
printf("%d already seen %s %x\n",
this_mark
sha1_to_hex(posn->parent->sha1),
posn->parent->flags);
*/
/* do nothing; this indicates that this side
* split and reformed, and we only need to
* mark it once.
*/
*list_p = (*list_p)->next;
} else if (item->object.flags & other_mark) {
if (item->object.flags & other_mark) {
return item;
} else {
/*
printf("%d based on %s\n",
this_mark,
sha1_to_hex(posn->parent->sha1));
*/
pop_most_recent_commit(list_p);
item->object.flags |= this_mark;
pop_most_recent_commit(list_p, this_mark);
}
return NULL;
}
@ -39,7 +21,9 @@ struct commit *common_ancestor(struct commit *rev1, struct commit *rev2)
struct commit_list *rev2list = NULL;
commit_list_insert(rev1, &rev1list);
rev1->object.flags |= 0x1;
commit_list_insert(rev2, &rev2list);
rev2->object.flags |= 0x2;
parse_commit(rev1);
parse_commit(rev2);

2
rev-list.c
View File

@ -16,7 +16,7 @@ int main(int argc, char **argv)
commit_list_insert(commit, &list);
do {
struct commit *commit = pop_most_recent_commit(&list);
struct commit *commit = pop_most_recent_commit(&list, 0x1);
printf("%s\n", sha1_to_hex(commit->object.sha1));
} while (list);
return 0;