From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.8 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD shortcircuit=no autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 83C3E1FA7B for ; Tue, 13 Jun 2017 21:06:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753436AbdFMVGN (ORCPT ); Tue, 13 Jun 2017 17:06:13 -0400 Received: from mail-io0-f179.google.com ([209.85.223.179]:34505 "EHLO mail-io0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752525AbdFMVGM (ORCPT ); Tue, 13 Jun 2017 17:06:12 -0400 Received: by mail-io0-f179.google.com with SMTP id i7so81390236ioe.1 for ; Tue, 13 Jun 2017 14:06:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=rpTPV9xDT9DY624zyVASu39xQy1FuS4rtMr7LYL8e8A=; b=LrivOKtGZXSwnOWp3XQVCv4bj0ra2bHgH0zGHZyckKsgSDLZA+kL9v/dR4OnmPbLRh wK/DRK7XardcdJP9QLTjcPIVGVOJDhCxh4DhvXpSsBvCQap0M5uFDyXe2jWB1EXqw81C U67QfQxHxNwis9ezh37+UKVAbcRXcPnCdE8E1UaXkOooM18jQPBqGUYO280hsdqkm4ab RlJ0DeIRklV4jywPbq+xo6QuxVsvOzQwZmH2gYCtcJAH718/CBaoQxp3aDJuswFW6il1 7vSodjYXCV86YuPcgJaYZqkB4CkZgXGH80dTFr8m7pIMBZglMMzx46L5fgCJM0d7Guth HG7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:in-reply-to:references; bh=rpTPV9xDT9DY624zyVASu39xQy1FuS4rtMr7LYL8e8A=; b=qtHDqTmJ2jWR3LQw2y84OTW3fbxM5XyUWnQi+v+3+askWcKYTYKKoZ6m1OajTERc/4 c0EjyrHL7mdxxAwm1hgufgOT9x7hNRMCZBKg+/xtbbpVn8jHUw8S9TiOS9s+mznRuL68 nZJU7Rms+Z4nuLOf80ZAwQ1DGIXlXVBwaNHqCc4Ve0bV1ySGWcPwe/Su+bROyy0pUhAa A4kBy3fsRJvP8P4Zfq2iGeMDDey4GzsM9sLX5dOTDkzwpmRtappZwh+FRc9/R2tMxopR 6eUSK9w9l69X82OPfJHgHncq5Jp/FniXU5XNBJgzU4BhR6ZEwYHkbo4bODxd/GIx2O0O 5OOQ== X-Gm-Message-State: AKS2vOxDaubz1i5eC789Rw6lBWoY2tin2JC22rQhYThNlityAQIg1PMB 0VUXnzUaGe2IZAV/Iih+xQ== X-Received: by 10.107.134.91 with SMTP id i88mr2397915iod.53.1497387971079; Tue, 13 Jun 2017 14:06:11 -0700 (PDT) Received: from twelve2.svl.corp.google.com ([100.96.218.24]) by smtp.gmail.com with ESMTPSA id d185sm6885228ioe.38.2017.06.13.14.06.09 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 13 Jun 2017 14:06:10 -0700 (PDT) From: Jonathan Tan To: git@vger.kernel.org Cc: Jonathan Tan , gitster@pobox.com, peff@peff.net Subject: [PATCH v2 1/4] sha1_file: teach packed_object_info about typename Date: Tue, 13 Jun 2017 14:05:57 -0700 Message-Id: X-Mailer: git-send-email 2.13.1.518.g3df882009-goog In-Reply-To: References: In-Reply-To: References: Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org In commit 46f0344 ("sha1_file: support reading from a loose object of unknown type", 2015-05-06), "struct object_info" gained a "typename" field that could represent a type name from a loose object file, whether valid or invalid, as opposed to the existing "typep" which could only represent valid types. Some relatively complex manipulations were added to avoid breaking packed_object_info() without modifying it, but it is much easier to just teach packed_object_info() about the new field. Therefore, teach packed_object_info() as described above. Signed-off-by: Jonathan Tan --- sha1_file.c | 29 ++++++++++++----------------- 1 file changed, 12 insertions(+), 17 deletions(-) diff --git a/sha1_file.c b/sha1_file.c index 59a4ed2ed..a52b27541 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -2277,9 +2277,18 @@ int packed_object_info(struct packed_git *p, off_t obj_offset, *oi->disk_sizep = revidx[1].offset - obj_offset; } - if (oi->typep) { - *oi->typep = packed_to_object_type(p, obj_offset, type, &w_curs, curpos); - if (*oi->typep < 0) { + if (oi->typep || oi->typename) { + enum object_type ptot; + ptot = packed_to_object_type(p, obj_offset, type, &w_curs, + curpos); + if (oi->typep) + *oi->typep = ptot; + if (oi->typename) { + const char *tn = typename(ptot); + if (tn) + strbuf_addstr(oi->typename, tn); + } + if (ptot < 0) { type = OBJ_BAD; goto out; } @@ -2960,7 +2969,6 @@ int sha1_object_info_extended(const unsigned char *sha1, struct object_info *oi, struct cached_object *co; struct pack_entry e; int rtype; - enum object_type real_type; const unsigned char *real = lookup_replace_object_extended(sha1, flags); co = find_cached_object(real); @@ -2992,18 +3000,9 @@ int sha1_object_info_extended(const unsigned char *sha1, struct object_info *oi, return -1; } - /* - * packed_object_info() does not follow the delta chain to - * find out the real type, unless it is given oi->typep. - */ - if (oi->typename && !oi->typep) - oi->typep = &real_type; - rtype = packed_object_info(e.p, e.offset, oi); if (rtype < 0) { mark_bad_packed_object(e.p, real); - if (oi->typep == &real_type) - oi->typep = NULL; return sha1_object_info_extended(real, oi, 0); } else if (in_delta_base_cache(e.p, e.offset)) { oi->whence = OI_DBCACHED; @@ -3014,10 +3013,6 @@ int sha1_object_info_extended(const unsigned char *sha1, struct object_info *oi, oi->u.packed.is_delta = (rtype == OBJ_REF_DELTA || rtype == OBJ_OFS_DELTA); } - if (oi->typename) - strbuf_addstr(oi->typename, typename(*oi->typep)); - if (oi->typep == &real_type) - oi->typep = NULL; return 0; } -- 2.13.1.518.g3df882009-goog