collect_parents 1272 builtin/merge.c remoteheads = collect_parents(head_commit, &head_subsumed, collect_parents 1300 builtin/merge.c remoteheads = collect_parents(head_commit, &head_subsumed, collect_parents 1311 builtin/merge.c remoteheads = collect_parents(head_commit, &head_subsumed,