From: Patrick Steinhardt <ps@pks.im>
To: git@vger.kernel.org
Cc: Junio C Hamano <gitster@pobox.com>,
Christian Couder <christian.couder@gmail.com>
Subject: Re: [PATCH v3 2/5] fetch: use strbuf to format FETCH_HEAD updates
Date: Mon, 11 Jan 2021 12:10:23 +0100 [thread overview]
Message-ID: <X/wyHxLcYtQb7icq@ncase> (raw)
In-Reply-To: <a19762690eb7f9957ac31d73e110f0103aeb2307.1610362744.git.ps@pks.im>
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On Mon, Jan 11, 2021 at 12:05:20PM +0100, Patrick Steinhardt wrote:
> This commit refactors `append_fetch_head()` to use a `struct strbuf` for
> formatting the update which we're about to append to the FETCH_HEAD
> file. While the refactoring doesn't have much of a benefit right now, it
> servers as a preparatory step to implement atomic fetches where we need
> to buffer all updates to FETCH_HEAD and only flush them out if all
> reference updates succeeded.
>
> No change in behaviour is expected from this commit.
Forgot to add my
Signed-off-by: Patrick Steinhardt <ps@pks.im>
Will amend in v4.
Patrick
> ---
> builtin/fetch.c | 16 +++++++++++-----
> 1 file changed, 11 insertions(+), 5 deletions(-)
>
> diff --git a/builtin/fetch.c b/builtin/fetch.c
> index 50f0306a92..1252f37493 100644
> --- a/builtin/fetch.c
> +++ b/builtin/fetch.c
> @@ -899,6 +899,7 @@ static int iterate_ref_map(void *cb_data, struct object_id *oid)
>
> struct fetch_head {
> FILE *fp;
> + struct strbuf buf;
> };
>
> static int open_fetch_head(struct fetch_head *fetch_head)
> @@ -909,6 +910,7 @@ static int open_fetch_head(struct fetch_head *fetch_head)
> fetch_head->fp = fopen(filename, "a");
> if (!fetch_head->fp)
> return error_errno(_("cannot open %s"), filename);
> + strbuf_init(&fetch_head->buf, 0);
> } else {
> fetch_head->fp = NULL;
> }
> @@ -941,14 +943,17 @@ static void append_fetch_head(struct fetch_head *fetch_head,
> return;
> }
>
> - fprintf(fetch_head->fp, "%s\t%s\t%s",
> - oid_to_hex_r(old_oid_hex, old_oid), merge_status_marker, note);
> + strbuf_addf(&fetch_head->buf, "%s\t%s\t%s",
> + oid_to_hex_r(old_oid_hex, old_oid), merge_status_marker, note);
> for (i = 0; i < url_len; ++i)
> if ('\n' == url[i])
> - fputs("\\n", fetch_head->fp);
> + strbuf_addstr(&fetch_head->buf, "\\n");
> else
> - fputc(url[i], fetch_head->fp);
> - fputc('\n', fetch_head->fp);
> + strbuf_addch(&fetch_head->buf, url[i]);
> + strbuf_addch(&fetch_head->buf, '\n');
> +
> + strbuf_write(&fetch_head->buf, fetch_head->fp);
> + strbuf_reset(&fetch_head->buf);
> }
>
> static void commit_fetch_head(struct fetch_head *fetch_head)
> @@ -962,6 +967,7 @@ static void close_fetch_head(struct fetch_head *fetch_head)
> return;
>
> fclose(fetch_head->fp);
> + strbuf_release(&fetch_head->buf);
> }
>
> static const char warn_show_forced_updates[] =
> --
> 2.30.0
>
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next prev parent reply other threads:[~2021-01-11 11:14 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-07 13:51 [PATCH 0/2] fetch: implement support for atomic reference updates Patrick Steinhardt
2021-01-07 13:51 ` [PATCH 1/2] fetch: allow passing a transaction to `s_update_ref()` Patrick Steinhardt
2021-01-07 22:59 ` Junio C Hamano
2021-01-08 0:45 ` Christian Couder
2021-01-08 7:18 ` Junio C Hamano
2021-01-07 13:51 ` [PATCH 2/2] fetch: implement support for atomic reference updates Patrick Steinhardt
2021-01-08 0:19 ` Junio C Hamano
2021-01-08 12:11 ` [PATCH v2 0/4] " Patrick Steinhardt
2021-01-08 12:11 ` [PATCH v2 1/4] fetch: extract writing to FETCH_HEAD Patrick Steinhardt
2021-01-08 23:40 ` Junio C Hamano
2021-01-11 10:26 ` Patrick Steinhardt
2021-01-11 19:24 ` Junio C Hamano
2021-01-08 12:11 ` [PATCH v2 2/4] fetch: refactor `s_update_ref` to use common exit path Patrick Steinhardt
2021-01-08 23:50 ` Junio C Hamano
2021-01-11 10:28 ` Patrick Steinhardt
2021-01-08 12:11 ` [PATCH v2 3/4] fetch: allow passing a transaction to `s_update_ref()` Patrick Steinhardt
2021-01-08 23:53 ` Junio C Hamano
2021-01-08 12:11 ` [PATCH v2 4/4] fetch: implement support for atomic reference updates Patrick Steinhardt
2021-01-09 0:05 ` Junio C Hamano
2021-01-11 10:42 ` Patrick Steinhardt
2021-01-11 19:47 ` Junio C Hamano
2021-01-12 12:22 ` Patrick Steinhardt
2021-01-12 12:29 ` Patrick Steinhardt
2021-01-12 19:19 ` Junio C Hamano
2021-01-11 11:05 ` [PATCH v3 0/5] " Patrick Steinhardt
2021-01-11 11:05 ` [PATCH v3 1/5] fetch: extract writing to FETCH_HEAD Patrick Steinhardt
2021-01-11 23:16 ` Junio C Hamano
2021-01-11 11:05 ` [PATCH v3 2/5] fetch: use strbuf to format FETCH_HEAD updates Patrick Steinhardt
2021-01-11 11:10 ` Patrick Steinhardt [this message]
2021-01-11 11:17 ` Christian Couder
2021-01-11 23:21 ` Junio C Hamano
2021-01-11 11:05 ` [PATCH v3 3/5] fetch: refactor `s_update_ref` to use common exit path Patrick Steinhardt
2021-01-11 11:05 ` [PATCH v3 4/5] fetch: allow passing a transaction to `s_update_ref()` Patrick Steinhardt
2021-01-11 11:05 ` [PATCH v3 5/5] fetch: implement support for atomic reference updates Patrick Steinhardt
2021-01-12 0:04 ` [PATCH v3 0/5] " Junio C Hamano
2021-01-12 12:27 ` [PATCH v4 " Patrick Steinhardt
2021-01-12 12:27 ` [PATCH v4 1/5] fetch: extract writing to FETCH_HEAD Patrick Steinhardt
2021-01-12 12:27 ` [PATCH v4 2/5] fetch: use strbuf to format FETCH_HEAD updates Patrick Steinhardt
2021-01-12 12:27 ` [PATCH v4 3/5] fetch: refactor `s_update_ref` to use common exit path Patrick Steinhardt
2021-01-12 12:27 ` [PATCH v4 4/5] fetch: allow passing a transaction to `s_update_ref()` Patrick Steinhardt
2021-01-12 12:27 ` [PATCH v4 5/5] fetch: implement support for atomic reference updates Patrick Steinhardt
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