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authorDerrick Stolee <dstolee@microsoft.com>2018-07-20 16:33:23 (GMT)
committerJunio C Hamano <gitster@pobox.com>2018-07-20 22:38:56 (GMT)
commit1792bc125069e3e5b59f0158e259335a07aa7cf5 (patch)
tree7cba7abe78e320a43ab5caa54ae509fefb4741b6 /commit-reach.c
parent0c89f715d06082216cc312dcd39e09cb80f7aad7 (diff)
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test-reach: test can_all_from_reach_with_flags
The can_all_from_reach_with_flags method is used by ok_to_give_up in upload-pack.c to see if we have done enough negotiation during a fetch. This method is intentionally created to preserve state between calls to assist with stateful negotiation, such as over SSH. To make this method testable, add a new can_all_from_reach method that does the initial setup and final tear-down. We will later use this method in production code. Call the method from 'test-tool reach' for now. Since this is a many-to-many reachability query, add a new type of input to the 'test-tool reach' input format. Lines "Y:<committish>" create a list of commits to be the reachability targets from the commits in the 'X' list. In the context of fetch negotiation, the 'X' commits are the 'want' commits and the 'Y' commits are the 'have' commits. Signed-off-by: Derrick Stolee <dstolee@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'commit-reach.c')
-rw-r--r--commit-reach.c47
1 files changed, 47 insertions, 0 deletions
diff --git a/commit-reach.c b/commit-reach.c
index d806291..940fbf2 100644
--- a/commit-reach.c
+++ b/commit-reach.c
@@ -595,3 +595,50 @@ int can_all_from_reach_with_flag(struct object_array *from,
}
return 1;
}
+
+int can_all_from_reach(struct commit_list *from, struct commit_list *to,
+ int cutoff_by_min_date)
+{
+ struct object_array from_objs = OBJECT_ARRAY_INIT;
+ time_t min_commit_date = cutoff_by_min_date ? from->item->date : 0;
+ struct commit_list *from_iter = from, *to_iter = to;
+ int result;
+
+ while (from_iter) {
+ add_object_array(&from_iter->item->object, NULL, &from_objs);
+
+ if (!parse_commit(from_iter->item)) {
+ if (from_iter->item->date < min_commit_date)
+ min_commit_date = from_iter->item->date;
+ }
+
+ from_iter = from_iter->next;
+ }
+
+ while (to_iter) {
+ if (!parse_commit(to_iter->item)) {
+ if (to_iter->item->date < min_commit_date)
+ min_commit_date = to_iter->item->date;
+ }
+
+ to_iter->item->object.flags |= PARENT2;
+
+ to_iter = to_iter->next;
+ }
+
+ result = can_all_from_reach_with_flag(&from_objs, PARENT2, PARENT1,
+ min_commit_date);
+
+ while (from) {
+ clear_commit_marks(from->item, PARENT1);
+ from = from->next;
+ }
+
+ while (to) {
+ clear_commit_marks(to->item, PARENT2);
+ to = to->next;
+ }
+
+ object_array_clear(&from_objs);
+ return result;
+}