Function find_commits_for_midx_bitmap

midx-write.c:838–879

}

static void find_commits_for_midx_bitmap(struct commit_stack *commits,
					 const char *refs_snapshot,
					 struct write_midx_context *ctx)
{
	struct rev_info revs;
	struct bitmap_commit_cb cb = { .commits = commits, .ctx = ctx };

	trace2_region_enter("midx", "find_commits_for_midx_bitmap", ctx->repo);

	repo_init_revisions(ctx->repo, &revs, NULL);
	if (refs_snapshot) {
		read_refs_snapshot(refs_snapshot, &revs);
	} else {
		setup_revisions(0, NULL, &revs, NULL);
		refs_for_each_ref(get_main_ref_store(ctx->repo),
				  add_ref_to_pending, &revs);
	}

	/*
	 * Skipping promisor objects here is intentional, since it only excludes
	 * them from the list of reachable commits that we want to select from
	 * when computing the selection of MIDX'd commits to receive bitmaps.
	 *
	 * Reachability bitmaps do require that their objects be closed under
	 * reachability, but fetching any objects missing from promisors at this
	 * point is too late. But, if one of those objects can be reached from
	 * an another object that is included in the bitmap, then we will
	 * complain later that we don't have reachability closure (and fail
	 * appropriately).
	 */
	fetch_if_missing = 0;
	revs.exclude_promisor_objects = 1;

	if (prepare_revision_walk(&revs))
		die(_("revision walk setup failed"));

	traverse_commit_list(&revs, bitmap_show_commit, NULL, &cb);

	release_revisions(&revs);

	trace2_region_leave("midx", "find_commits_for_midx_bitmap", ctx->repo);
}

static int write_midx_bitmap(struct write_midx_context *ctx,
			     const unsigned char *midx_hash,