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=-2.8 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,T_RP_MATCHES_RCVD shortcircuit=no autolearn=no 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 BC9881F576 for ; Sat, 3 Mar 2018 11:38:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932098AbeCCLiW (ORCPT ); Sat, 3 Mar 2018 06:38:22 -0500 Received: from mail-pf0-f193.google.com ([209.85.192.193]:38522 "EHLO mail-pf0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932087AbeCCLiV (ORCPT ); Sat, 3 Mar 2018 06:38:21 -0500 Received: by mail-pf0-f193.google.com with SMTP id d26so5143496pfn.5 for ; Sat, 03 Mar 2018 03:38:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=4MOLPk4IqEforhiZPyFm3zo+vIDsy8uJcbKppljHt9k=; b=RuqYFimCMKNVktF3RdTS2gYPqBHMLdmwxUbe3RWdvFgC7ViVrXUL12uS9mQ9eD9/lS nmkWpVtnzBQyFXlgma8thjdDDtPill/LwN1C8blD8SbiuwhQ+8rGO5K1fMmOdTiEY/3u 3gOlBO95QtRzYrU5Va6yvXOt1Ux/8peomNg1z6/hEdc0+oHtSPVhAKMW/mZ5PbCdr7BQ ZCu5TqxdFe533aj0SedQiiGLxIrV8QLFy5/sdUqh4tssngFFQcr4fuW0mQADjhT06p73 B0Fgb7bMM1O/PHuLbbG2VfCt7w3Kyu4LqgKcBFhW8yh4EyNwGLu5AhdS6FrQvMrh6cjh PPvg== 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:mime-version:content-transfer-encoding; bh=4MOLPk4IqEforhiZPyFm3zo+vIDsy8uJcbKppljHt9k=; b=b/Z7fn8/fUFS95J87wMM6RV57bRhSQLBPQjaOyz6nMxW+0BdokDwhbAiSF82VLzBP4 CnKtJaeMdECm//6A1iexFg6p8Tt9N5r/4G0zY4TcgMwKv8Uvompv9P5PhLiy++k7AZJ1 paJBPjhMhVNwnCl5ySPZ2fgHHIjZvIxvccNepjlCMlPbVgGchks6/u/lpfB8DfeUlJ2/ bC2d4SxlqbqbOm/LGgX7igl/6y1idRFd68MjEel/DmmRKYHSatcbL1w4W9UFEedeOgcv vaFr5VNwdtyk5YVk/WsqRqnAoHZkH1AsoLdj7TTfAWUvg558hpdyD8qcugn1xdNgewYD 2QdA== X-Gm-Message-State: APf1xPCTufmeNmvKxSlyPCJEe9x1hU7+6whA7bGqqDbe+DcMQt6hUmxj bv0LNCwdQWVHKy+aJupXC8LyqA== X-Google-Smtp-Source: AG47ELvy8PELX8XDfwps2GGzqGo9tKJLUqlieWp6cVlVM98BmiB75v31aJXXmAqT8e7cXmDnGPJ/RQ== X-Received: by 10.99.51.74 with SMTP id z71mr6939259pgz.272.1520077100422; Sat, 03 Mar 2018 03:38:20 -0800 (PST) Received: from ash ([171.232.93.137]) by smtp.gmail.com with ESMTPSA id b5sm18037639pfc.12.2018.03.03.03.38.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 03 Mar 2018 03:38:19 -0800 (PST) Received: by ash (sSMTP sendmail emulation); Sat, 03 Mar 2018 18:38:15 +0700 From: =?UTF-8?q?Nguy=E1=BB=85n=20Th=C3=A1i=20Ng=E1=BB=8Dc=20Duy?= To: git@vger.kernel.org Cc: Junio C Hamano , Stefan Beller , Jonathan Nieder , =?UTF-8?q?Nguy=E1=BB=85n=20Th=C3=A1i=20Ng=E1=BB=8Dc=20Duy?= Subject: [PATCH 19/44] sha1_file: allow link_alt_odb_entries to handle arbitrary repositories Date: Sat, 3 Mar 2018 18:36:12 +0700 Message-Id: <20180303113637.26518-20-pclouds@gmail.com> X-Mailer: git-send-email 2.16.1.435.g8f24da2e1a In-Reply-To: <20180303113637.26518-1-pclouds@gmail.com> References: <20180303113637.26518-1-pclouds@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org From: Stefan Beller Actually this also allows read_info_alternates and link_alt_odb_entry to handle arbitrary repositories, but link_alt_odb_entries is the most interesting function in this set of functions, hence the commit subject. These functions span a strongly connected component in the function graph, i.e. the recursive call chain might look like -> link_alt_odb_entries -> link_alt_odb_entry -> read_info_alternates -> link_alt_odb_entries That is why we need to convert all these functions at the same time. Signed-off-by: Jonathan Nieder Signed-off-by: Stefan Beller Signed-off-by: Junio C Hamano Signed-off-by: Nguyễn Thái Ngọc Duy --- object-store.h | 4 ++++ sha1_file.c | 36 ++++++++++++++++-------------------- 2 files changed, 20 insertions(+), 20 deletions(-) diff --git a/object-store.h b/object-store.h index 3d0f8a87cb..20ba136c1f 100644 --- a/object-store.h +++ b/object-store.h @@ -18,6 +18,10 @@ struct alternate_object_database { char loose_objects_subdir_seen[256]; struct oid_array loose_objects_cache; + /* + * Path to the alternative object store. If this is a relative path, + * it is relative to the current working directory. + */ char path[FLEX_ARRAY]; }; #define prepare_alt_odb(r) prepare_alt_odb_##r() diff --git a/sha1_file.c b/sha1_file.c index 027e0f3741..f34eb69e39 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -390,11 +390,10 @@ static int alt_odb_usable(struct raw_object_store *o, * SHA1, an extra slash for the first level indirection, and the * terminating NUL. */ -#define read_info_alternates(r, rb, d) read_info_alternates_##r(rb, d) -static void read_info_alternates_the_repository(const char *relative_base, - int depth); -#define link_alt_odb_entry(r, e, rb, d, n) link_alt_odb_entry_##r(e, rb, d, n) -static int link_alt_odb_entry_the_repository(const char *entry, +static void read_info_alternates(struct repository *r, + const char *relative_base, + int depth); +static int link_alt_odb_entry(struct repository *r, const char *entry, const char *relative_base, int depth, const char *normalized_objdir) { struct alternate_object_database *ent; @@ -420,7 +419,7 @@ static int link_alt_odb_entry_the_repository(const char *entry, while (pathbuf.len && pathbuf.buf[pathbuf.len - 1] == '/') strbuf_setlen(&pathbuf, pathbuf.len - 1); - if (!alt_odb_usable(&the_repository->objects, &pathbuf, normalized_objdir)) { + if (!alt_odb_usable(&r->objects, &pathbuf, normalized_objdir)) { strbuf_release(&pathbuf); return -1; } @@ -428,12 +427,12 @@ static int link_alt_odb_entry_the_repository(const char *entry, ent = alloc_alt_odb(pathbuf.buf); /* add the alternate entry */ - *the_repository->objects.alt_odb_tail = ent; - the_repository->objects.alt_odb_tail = &(ent->next); + *r->objects.alt_odb_tail = ent; + r->objects.alt_odb_tail = &(ent->next); ent->next = NULL; /* recursively add alternates */ - read_info_alternates(the_repository, pathbuf.buf, depth + 1); + read_info_alternates(r, pathbuf.buf, depth + 1); strbuf_release(&pathbuf); return 0; @@ -468,12 +467,8 @@ static const char *parse_alt_odb_entry(const char *string, return end; } -#define link_alt_odb_entries(r, a, s, rb, d) \ - link_alt_odb_entries_##r(a, s, rb, d) -static void link_alt_odb_entries_the_repository(const char *alt, - int sep, - const char *relative_base, - int depth) +static void link_alt_odb_entries(struct repository *r, const char *alt, + int sep, const char *relative_base, int depth) { struct strbuf objdirbuf = STRBUF_INIT; struct strbuf entry = STRBUF_INIT; @@ -487,7 +482,7 @@ static void link_alt_odb_entries_the_repository(const char *alt, return; } - strbuf_add_absolute_path(&objdirbuf, get_object_directory()); + strbuf_add_absolute_path(&objdirbuf, r->objects.objectdir); if (strbuf_normalize_path(&objdirbuf) < 0) die("unable to normalize object directory: %s", objdirbuf.buf); @@ -496,15 +491,16 @@ static void link_alt_odb_entries_the_repository(const char *alt, alt = parse_alt_odb_entry(alt, sep, &entry); if (!entry.len) continue; - link_alt_odb_entry(the_repository, entry.buf, + link_alt_odb_entry(r, entry.buf, relative_base, depth, objdirbuf.buf); } strbuf_release(&entry); strbuf_release(&objdirbuf); } -static void read_info_alternates_the_repository(const char *relative_base, - int depth) +static void read_info_alternates(struct repository *r, + const char *relative_base, + int depth) { char *path; struct strbuf buf = STRBUF_INIT; @@ -516,7 +512,7 @@ static void read_info_alternates_the_repository(const char *relative_base, return; } - link_alt_odb_entries(the_repository, buf.buf, '\n', relative_base, depth); + link_alt_odb_entries(r, buf.buf, '\n', relative_base, depth); strbuf_release(&buf); free(path); } -- 2.16.1.435.g8f24da2e1a