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-rw-r--r--shallow.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/shallow.c b/shallow.c
index ec91794..3c36dd8 100644
--- a/shallow.c
+++ b/shallow.c
@@ -617,3 +617,26 @@ static void post_assign_shallow(struct shallow_info *info,
free(ca.commits);
}
+
+/* (Delayed) step 7, reachability test at commit level */
+int delayed_reachability_test(struct shallow_info *si, int c)
+{
+ if (si->need_reachability_test[c]) {
+ struct commit *commit = lookup_commit(si->shallow->sha1[c]);
+
+ if (!si->commits) {
+ struct commit_array ca;
+ memset(&ca, 0, sizeof(ca));
+ head_ref(add_ref, &ca);
+ for_each_ref(add_ref, &ca);
+ si->commits = ca.commits;
+ si->nr_commits = ca.nr;
+ }
+
+ si->reachable[c] = in_merge_bases_many(commit,
+ si->nr_commits,
+ si->commits);
+ si->need_reachability_test[c] = 0;
+ }
+ return si->reachable[c];
+}