Function clear_midx_files

midx-write.c:1110–1145

}

static void clear_midx_files(struct odb_source *source,
			     const struct strvec *hashes, unsigned incremental)
{
	/*
	 * if incremental:
	 *   - remove all non-incremental MIDX files
	 *   - remove any incremental MIDX files not in the current one
	 *
	 * if non-incremental:
	 *   - remove all incremental MIDX files
	 *   - remove any non-incremental MIDX files not matching the current
	 *     hash
	 */
	struct strbuf buf = STRBUF_INIT;
	const char *exts[] = { MIDX_EXT_BITMAP, MIDX_EXT_REV, MIDX_EXT_MIDX };
	uint32_t i;

	for (i = 0; i < ARRAY_SIZE(exts); i++) {
		clear_incremental_midx_files_ext(source, exts[i], hashes);
		if (hashes) {
			for (size_t j = 0; j < hashes->nr; j++)
				clear_midx_files_ext(source, exts[i],
						     hashes->v[j]);
		}
	}

	if (incremental)
		get_midx_filename(source, &buf);
	else
		get_midx_chain_filename(source, &buf);

	if (unlink(buf.buf) && errno != ENOENT)
		die_errno(_("failed to clear multi-pack-index at %s"), buf.buf);

	strbuf_release(&buf);
}

static bool midx_needs_update(struct multi_pack_index *midx, struct write_midx_context *ctx)
{