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From: Brandon Williams <bmwill@google.com>
To: "Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>
Cc: git@vger.kernel.org, Junio C Hamano <gitster@pobox.com>,
	Stefan Beller <sbeller@google.com>,
	Jonathan Nieder <jrnieder@gmail.com>
Subject: Re: [PATCH 19/44] sha1_file: allow link_alt_odb_entries to handle arbitrary repositories
Date: Wed, 21 Mar 2018 15:30:01 -0700	[thread overview]
Message-ID: <20180321223001.GL18406@google.com> (raw)
In-Reply-To: <20180303113637.26518-20-pclouds@gmail.com>

On 03/03, Nguyễn Thái Ngọc Duy wrote:
> From: Stefan Beller <sbeller@google.com>
> 
> 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.

This conversion looks good.

> 
> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
> Signed-off-by: Stefan Beller <sbeller@google.com>
> Signed-off-by: Junio C Hamano <gitster@pobox.com>
> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
> ---
>  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
> 

-- 
Brandon Williams

  reply	other threads:[~2018-03-21 22:30 UTC|newest]

Thread overview: 135+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-03  2:54 [PATCH 00/11] Moving global state into the repository object (part 2) Duy Nguyen
2018-03-03 11:35 ` [PATCH 00/44] reroll nd/remove-ignore-env.. sb/object-store and sb/packfiles Nguyễn Thái Ngọc Duy
2018-03-03 11:35   ` [PATCH 01/44] repository: initialize the_repository in main() Nguyễn Thái Ngọc Duy
2018-03-21 21:46     ` Brandon Williams
2018-03-03 11:35   ` [PATCH 02/44] repository.c: move env-related setup code back to environment.c Nguyễn Thái Ngọc Duy
2018-03-19 18:07     ` Jonathan Tan
2018-03-19 18:56       ` Duy Nguyen
2018-03-21 21:53         ` Brandon Williams
2018-03-03 11:35   ` [PATCH 03/44] repository.c: delete dead functions Nguyễn Thái Ngọc Duy
2018-03-21 21:57     ` Brandon Williams
2018-03-03 11:35   ` [PATCH 04/44] sha1_file.c: move delayed getenv(altdb) back to setup_git_env() Nguyễn Thái Ngọc Duy
2018-03-21 21:59     ` Brandon Williams
2018-03-03 11:35   ` [PATCH 05/44] repository: delete ignore_env member Nguyễn Thái Ngọc Duy
2018-03-21 21:59     ` Brandon Williams
2018-03-03 11:35   ` [PATCH 06/44] repository: introduce raw object store field Nguyễn Thái Ngọc Duy
2018-03-04  2:19     ` Eric Sunshine
2018-03-21 22:04     ` Brandon Williams
2018-03-03 11:36   ` [PATCH 07/44] object-store: migrate alternates struct and functions from cache.h Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 08/44] object-store: move alt_odb_list and alt_odb_tail to object store Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 09/44] object-store: free alt_odb_list Nguyễn Thái Ngọc Duy
2018-03-04  2:37     ` Eric Sunshine
2018-03-05  9:54       ` Duy Nguyen
2018-03-21 22:10       ` Brandon Williams
2018-03-03 11:36   ` [PATCH 10/44] object-store: move packed_git and packed_git_mru to object store Nguyễn Thái Ngọc Duy
2018-03-19 19:39     ` Jonathan Tan
2018-03-23 16:57       ` Duy Nguyen
2018-03-21 22:18     ` Brandon Williams
2018-03-23 17:03       ` Duy Nguyen
2018-03-23 17:07         ` Duy Nguyen
2018-03-23 18:28           ` Brandon Williams
2018-03-03 11:36   ` [PATCH 11/44] object-store: close all packs upon clearing the " Nguyễn Thái Ngọc Duy
2018-03-21 22:19     ` Brandon Williams
2018-03-03 11:36   ` [PATCH 12/44] pack: move prepare_packed_git_run_once to " Nguyễn Thái Ngọc Duy
2018-03-21 22:25     ` Brandon Williams
2018-03-03 11:36   ` [PATCH 13/44] pack: move approximate object count " Nguyễn Thái Ngọc Duy
2018-03-04  2:47     ` Eric Sunshine
2018-03-04  3:41       ` Duy Nguyen
2018-03-21 22:26         ` Brandon Williams
2018-03-03 11:36   ` [PATCH 14/44] sha1_file: add raw_object_store argument to alt_odb_usable Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 15/44] sha1_file: add repository argument to link_alt_odb_entry Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 16/44] sha1_file: add repository argument to read_info_alternates Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 17/44] sha1_file: add repository argument to link_alt_odb_entries Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 18/44] sha1_file: add repository argument to prepare_alt_odb Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 19/44] sha1_file: allow link_alt_odb_entries to handle arbitrary repositories Nguyễn Thái Ngọc Duy
2018-03-21 22:30     ` Brandon Williams [this message]
2018-03-03 11:36   ` [PATCH 20/44] sha1_file: allow prepare_alt_odb " Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 21/44] sha1_file: add repository argument to sha1_file_name Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 22/44] sha1_file: add repository argument to stat_sha1_file Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 23/44] sha1_file: add repository argument to open_sha1_file Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 24/44] sha1_file: add repository argument to map_sha1_file_1 Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 25/44] sha1_file: add repository argument to map_sha1_file Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 26/44] sha1_file: add repository argument to sha1_loose_object_info Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 27/44] sha1_file: allow sha1_file_name to handle arbitrary repositories Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 28/44] sha1_file: allow stat_sha1_file " Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 29/44] sha1_file: allow open_sha1_file " Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 30/44] sha1_file: allow map_sha1_file_1 " Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 31/44] sha1_file: allow map_sha1_file " Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 32/44] sha1_file: allow sha1_loose_object_info " Nguyễn Thái Ngọc Duy
2018-03-21 22:34     ` Brandon Williams
2018-03-03 11:36   ` [PATCH 33/44] packfile: allow prepare_packed_git_mru " Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 34/44] packfile: allow rearrange_packed_git " Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 35/44] packfile: allow install_packed_git " Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 36/44] packfile: add repository argument to prepare_packed_git_one Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 37/44] packfile: add repository argument to prepare_packed_git Nguyễn Thái Ngọc Duy
2018-03-04  3:03     ` Eric Sunshine
2018-03-03 11:36   ` [PATCH 38/44] packfile: add repository argument to reprepare_packed_git Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 39/44] packfile: allow prepare_packed_git_one to handle arbitrary repositories Nguyễn Thái Ngọc Duy
2018-03-19 20:10     ` Jonathan Tan
2018-03-03 11:36   ` [PATCH 40/44] packfile: allow prepare_packed_git " Nguyễn Thái Ngọc Duy
2018-03-21 22:39     ` Brandon Williams
2018-03-22  1:47       ` Junio C Hamano
2018-03-03 11:36   ` [PATCH 41/44] packfile: allow reprepare_packed_git " Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 42/44] packfile: add repository argument to find_pack_entry Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 43/44] packfile: allow find_pack_entry to handle arbitrary repositories Nguyễn Thái Ngọc Duy
2018-03-03 11:36   ` [PATCH 44/44] packfile: keep prepare_packed_git() private Nguyễn Thái Ngọc Duy
2018-03-19 20:34     ` Jonathan Tan
2018-03-21 22:42     ` Brandon Williams
2018-03-05 19:13   ` [PATCH 00/44] reroll nd/remove-ignore-env.. sb/object-store and sb/packfiles Junio C Hamano
2018-03-21 22:43   ` Brandon Williams
2018-03-23 15:55   ` [PATCH 0/1] nd/remove-ignore-env-field updates Nguyễn Thái Ngọc Duy
2018-03-23 15:55     ` [PATCH 1/1] repository.h: add comment and clarify repo_set_gitdir Nguyễn Thái Ngọc Duy
2018-03-26 21:04       ` Stefan Beller
2018-03-26 21:05         ` Stefan Beller
2018-03-23 17:20   ` [PATCH 00/27] sb/object-store updates Nguyễn Thái Ngọc Duy
2018-03-23 17:20     ` [PATCH 01/27] repository: introduce raw object store field Nguyễn Thái Ngọc Duy
2018-03-23 17:20     ` [PATCH 02/27] object-store: migrate alternates struct and functions from cache.h Nguyễn Thái Ngọc Duy
2018-03-23 17:20     ` [PATCH 03/27] object-store: move alt_odb_list and alt_odb_tail to object store Nguyễn Thái Ngọc Duy
2018-03-23 17:20     ` [PATCH 04/27] object-store: free alt_odb_list Nguyễn Thái Ngọc Duy
2018-03-23 18:43       ` Brandon Williams
2018-03-23 17:20     ` [PATCH 05/27] object-store: move packed_git and packed_git_mru to object store Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 06/27] object-store: close all packs upon clearing the " Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 07/27] pack: move prepare_packed_git_run_once to " Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 08/27] pack: move approximate object count " Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 09/27] sha1_file: add raw_object_store argument to alt_odb_usable Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 10/27] sha1_file: add repository argument to link_alt_odb_entry Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 11/27] sha1_file: add repository argument to read_info_alternates Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 12/27] sha1_file: add repository argument to link_alt_odb_entries Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 13/27] sha1_file: add repository argument to prepare_alt_odb Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 14/27] sha1_file: allow link_alt_odb_entries to handle arbitrary repositories Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 15/27] sha1_file: allow prepare_alt_odb " Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 16/27] sha1_file: add repository argument to sha1_file_name Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 17/27] sha1_file: add repository argument to stat_sha1_file Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 18/27] sha1_file: add repository argument to open_sha1_file Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 19/27] sha1_file: add repository argument to map_sha1_file_1 Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 20/27] sha1_file: add repository argument to map_sha1_file Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 21/27] sha1_file: add repository argument to sha1_loose_object_info Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 22/27] sha1_file: allow sha1_file_name to handle arbitrary repositories Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 23/27] sha1_file: allow stat_sha1_file " Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 24/27] sha1_file: allow open_sha1_file " Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 25/27] sha1_file: allow map_sha1_file_1 " Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 26/27] sha1_file: allow map_sha1_file " Nguyễn Thái Ngọc Duy
2018-03-23 17:21     ` [PATCH 27/27] sha1_file: allow sha1_loose_object_info " Nguyễn Thái Ngọc Duy
2018-03-23 18:35     ` [PATCH 00/27] sb/object-store updates Brandon Williams
2018-03-23 18:50       ` Brandon Williams
2018-03-23 21:31         ` Junio C Hamano
2018-03-23 18:58       ` Duy Nguyen
2018-03-23 22:07     ` Eric Sunshine
2018-03-24  5:31       ` Duy Nguyen
2018-03-26 17:45         ` Stefan Beller
2018-03-26 18:09           ` Junio C Hamano
2018-03-26 19:27             ` Junio C Hamano
2018-03-23 17:45   ` [PATCH 00/12] sb/packfiles-in-repository updates Nguyễn Thái Ngọc Duy
2018-03-23 17:45     ` [PATCH 01/12] packfile: allow prepare_packed_git_mru to handle arbitrary repositories Nguyễn Thái Ngọc Duy
2018-03-23 17:45     ` [PATCH 02/12] packfile: allow rearrange_packed_git " Nguyễn Thái Ngọc Duy
2018-03-23 17:45     ` [PATCH 03/12] packfile: allow install_packed_git " Nguyễn Thái Ngọc Duy
2018-03-23 17:45     ` [PATCH 04/12] packfile: add repository argument to prepare_packed_git_one Nguyễn Thái Ngọc Duy
2018-03-23 17:45     ` [PATCH 05/12] packfile: add repository argument to prepare_packed_git Nguyễn Thái Ngọc Duy
2018-03-23 17:45     ` [PATCH 06/12] packfile: add repository argument to reprepare_packed_git Nguyễn Thái Ngọc Duy
2018-03-23 17:45     ` [PATCH 07/12] packfile: allow prepare_packed_git_one to handle arbitrary repositories Nguyễn Thái Ngọc Duy
2018-03-23 17:45     ` [PATCH 08/12] packfile: allow prepare_packed_git " Nguyễn Thái Ngọc Duy
2018-03-23 17:45     ` [PATCH 09/12] packfile: allow reprepare_packed_git " Nguyễn Thái Ngọc Duy
2018-03-23 17:45     ` [PATCH 10/12] packfile: add repository argument to find_pack_entry Nguyễn Thái Ngọc Duy
2018-03-23 17:45     ` [PATCH 11/12] packfile: allow find_pack_entry to handle arbitrary repositories Nguyễn Thái Ngọc Duy
2018-03-23 17:45     ` [PATCH 12/12] packfile: keep prepare_packed_git() private Nguyễn Thái Ngọc Duy
2018-03-23 20:15     ` [PATCH 00/12] sb/packfiles-in-repository updates Brandon Williams

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