From: Junio C Hamano <gitster@pobox.com>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Cc: git@vger.kernel.org, J Smith <dark.panda@gmail.com>,
Taylor Blau <me@ttaylorr.com>
Subject: Re: [PATCH v2 2/8] built-ins: trust the "prefix" from run_builtin()
Date: Fri, 12 Nov 2021 08:38:02 -0800 [thread overview]
Message-ID: <xmqq7dddtjmd.fsf@gitster.g> (raw)
In-Reply-To: <patch-v2-2.8-63cf2fe266d-20211110T013632Z-avarab@gmail.com> (=?utf-8?B?IsOGdmFyIEFybmZqw7Zyw7A=?= Bjarmason"'s message of "Wed, 10 Nov 2021 02:43:44 +0100")
Ævar Arnfjörð Bjarmason <avarab@gmail.com> writes:
> diff --git a/builtin/ls-tree.c b/builtin/ls-tree.c
> index 3a442631c71..84bed6d5612 100644
> --- a/builtin/ls-tree.c
> +++ b/builtin/ls-tree.c
> @@ -147,16 +147,15 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix)
> OPT__ABBREV(&abbrev),
> OPT_END()
> };
> -
> - git_config(git_default_config, NULL);
> ls_tree_prefix = prefix;
See below.
> - if (prefix && *prefix)
> + if (prefix)
> chomp_prefix = strlen(prefix);
We now assume a non-NULL prefix means a non-NUL *prefix, so this
change is understandable.
> + git_config(git_default_config, NULL);
This moving down of git_config() call is not. A necessary change,
or an unrelated churn? If necessary, why? By not checking if prefix[0]
is NUL, we now need to delay reading the configuration, because ...?
> argc = parse_options(argc, argv, prefix, ls_tree_options,
> ls_tree_usage, 0);
> if (full_tree) {
> - ls_tree_prefix = prefix = NULL;
> + ls_tree_prefix = NULL;
> chomp_prefix = 0;
> }
> /* -d -r should imply -t, but -d by itself should not have to. */
> @@ -178,7 +177,7 @@ int cmd_ls_tree(int argc, const char **argv, const char *prefix)
> parse_pathspec(&pathspec, PATHSPEC_ALL_MAGIC &
> ~(PATHSPEC_FROMTOP | PATHSPEC_LITERAL),
> PATHSPEC_PREFER_CWD,
> - prefix, argv + 1);
> + ls_tree_prefix, argv + 1);
The above two are unnecessary changes.
It was not like the introduction of ls_tree_prefix was made in order
to get rid of "prefix" altogether. We still have and use prefix,
but we have ls_tree_prefix to expose the value of it to other
functions as a way to "cheat", without having to pass it through as
a parameter (and cheating is OK as its scope is limited to the file).
Perhaps make a conscious effort to refrain from making such
unnecessary changes, especially when working on a multi-patch
series, which may avoid wearing down reviewers?
> diff --git a/git.c b/git.c
> index 5ff21be21f3..611bf2f63eb 100644
> --- a/git.c
> +++ b/git.c
> @@ -420,9 +420,8 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
> {
> int status, help;
> struct stat st;
> - const char *prefix;
> + const char *prefix = NULL;
>
> - prefix = NULL;
> help = argc == 2 && !strcmp(argv[1], "-h");
> if (!help) {
> if (p->option & RUN_SETUP)
Likewise. Little cuts accumulate.
> @@ -431,6 +430,7 @@ static int run_builtin(struct cmd_struct *p, int argc, const char **argv)
> int nongit_ok;
> prefix = setup_git_directory_gently(&nongit_ok);
> }
> + assert(!prefix || *prefix);
Good.
> diff --git a/grep.h b/grep.h
> index 95cccb670f9..62deadb885f 100644
> --- a/grep.h
> +++ b/grep.h
> @@ -134,8 +134,6 @@ struct grep_opt {
> */
> struct repository *repo;
>
> - const char *prefix;
> - int prefix_length;
So, builtin/grep.c is the only user of the low-level grep machinery
that needs to touch these two, and we can lose these members now
that builtin/grep.c relies on the file-scope global instead. OK.
> diff --git a/revision.c b/revision.c
> index ab7c1358042..9f9b0d2429e 100644
> --- a/revision.c
> +++ b/revision.c
> @@ -1833,7 +1833,7 @@ void repo_init_revisions(struct repository *r,
> revs->commit_format = CMIT_FMT_DEFAULT;
> revs->expand_tabs_in_log_default = 8;
>
> - grep_init(&revs->grep_filter, revs->repo, prefix);
> + grep_init(&revs->grep_filter, revs->repo);
> revs->grep_filter.status_only = 1;
>
> repo_diff_setup(revs->repo, &revs->diffopt);
next prev parent reply other threads:[~2021-11-12 16:38 UTC|newest]
Thread overview: 151+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-06 21:10 [PATCH 0/8] grep: simplify & delete code by changing obscure cfg variable behavior Ævar Arnfjörð Bjarmason
2021-11-06 21:10 ` [PATCH 1/8] grep.h: remove unused "regex_t regexp" from grep_opt Ævar Arnfjörð Bjarmason
2021-11-06 21:10 ` [PATCH 2/8] git.c & grep.c: assert that "prefix" is NULL or non-zero string Ævar Arnfjörð Bjarmason
2021-11-08 20:37 ` Taylor Blau
2021-11-06 21:10 ` [PATCH 3/8] grep: remove unused "prefix_length" member Ævar Arnfjörð Bjarmason
2021-11-08 20:42 ` Taylor Blau
2021-11-06 21:10 ` [PATCH 4/8] grep.c: move "prefix" out of "struct grep_opt" Ævar Arnfjörð Bjarmason
2021-11-08 20:56 ` Taylor Blau
2021-11-09 2:10 ` Ævar Arnfjörð Bjarmason
2021-11-10 0:18 ` Taylor Blau
2021-11-06 21:10 ` [PATCH 5/8] log tests: check if grep_config() is called by "log"-like cmds Ævar Arnfjörð Bjarmason
2021-11-06 21:10 ` [PATCH 6/8] grep API: call grep_config() after grep_init() Ævar Arnfjörð Bjarmason
2021-11-08 21:49 ` Taylor Blau
2021-11-09 2:06 ` Ævar Arnfjörð Bjarmason
2021-11-10 0:18 ` Taylor Blau
2021-11-06 21:10 ` [PATCH 7/8] grep: simplify config parsing, change grep.<rx config> interaction Ævar Arnfjörð Bjarmason
2021-11-08 23:04 ` Taylor Blau
2021-11-09 2:01 ` Ævar Arnfjörð Bjarmason
2021-11-10 0:16 ` Taylor Blau
2021-11-06 21:10 ` [PATCH 8/8] grep: make "extendedRegexp=true" the same as "patternType=extended" Ævar Arnfjörð Bjarmason
2021-11-10 1:43 ` [PATCH v2 0/8] grep: simplify & delete code by changing obscure cfg variable behavior Ævar Arnfjörð Bjarmason
2021-11-10 1:43 ` [PATCH v2 1/8] grep.h: remove unused "regex_t regexp" from grep_opt Ævar Arnfjörð Bjarmason
2021-11-12 16:11 ` Junio C Hamano
2021-11-10 1:43 ` [PATCH v2 2/8] built-ins: trust the "prefix" from run_builtin() Ævar Arnfjörð Bjarmason
2021-11-12 16:38 ` Junio C Hamano [this message]
2021-11-10 1:43 ` [PATCH v2 3/8] log tests: check if grep_config() is called by "log"-like cmds Ævar Arnfjörð Bjarmason
2021-11-12 17:09 ` Junio C Hamano
2021-11-10 1:43 ` [PATCH v2 4/8] grep docs: de-duplicate configuration sections Ævar Arnfjörð Bjarmason
2021-11-12 17:15 ` Junio C Hamano
2021-11-10 1:43 ` [PATCH v2 5/8] grep.c: don't pass along NULL callback value Ævar Arnfjörð Bjarmason
2021-11-12 17:18 ` Junio C Hamano
2021-11-10 1:43 ` [PATCH v2 6/8] grep API: call grep_config() after grep_init() Ævar Arnfjörð Bjarmason
2021-11-12 17:32 ` Junio C Hamano
2021-11-10 1:43 ` [PATCH v2 7/8] grep: simplify config parsing, change grep.<rx config> interaction Ævar Arnfjörð Bjarmason
2021-11-12 19:19 ` Junio C Hamano
2021-11-13 9:55 ` Ævar Arnfjörð Bjarmason
2021-11-10 1:43 ` [PATCH v2 8/8] grep: make "extendedRegexp=true" the same as "patternType=extended" Ævar Arnfjörð Bjarmason
2021-11-12 19:32 ` Junio C Hamano
2021-11-10 2:23 ` [PATCH v2 0/8] grep: simplify & delete code by changing obscure cfg variable behavior Taylor Blau
2021-11-29 14:50 ` [PATCH v3 0/7] grep: simplify & delete "init" & "config" code Ævar Arnfjörð Bjarmason
2021-11-29 14:50 ` [PATCH v3 1/7] grep.h: remove unused "regex_t regexp" from grep_opt Ævar Arnfjörð Bjarmason
2021-11-29 14:50 ` [PATCH v3 2/7] log tests: check if grep_config() is called by "log"-like cmds Ævar Arnfjörð Bjarmason
2022-03-04 8:57 ` Tests in t4202 are aborted early, was: Re: [PATCH v3 2/7] log Fabian Stelzer
2022-03-04 10:05 ` [PATCH] log tests: fix "abort tests early" regression in ff37a60c369 Ævar Arnfjörð Bjarmason
2021-11-29 14:50 ` [PATCH v3 3/7] grep tests: add missing "grep.patternType" config test Ævar Arnfjörð Bjarmason
2021-11-29 21:52 ` Junio C Hamano
2021-12-03 0:48 ` Junio C Hamano
2021-11-29 14:50 ` [PATCH v3 4/7] built-ins: trust the "prefix" from run_builtin() Ævar Arnfjörð Bjarmason
2021-11-29 14:50 ` [PATCH v3 5/7] grep.c: don't pass along NULL callback value Ævar Arnfjörð Bjarmason
2021-11-29 14:50 ` [PATCH v3 6/7] grep API: call grep_config() after grep_init() Ævar Arnfjörð Bjarmason
2021-11-29 14:50 ` [PATCH v3 7/7] grep: simplify config parsing and option parsing Ævar Arnfjörð Bjarmason
2021-11-29 21:06 ` [PATCH v3 0/7] grep: simplify & delete "init" & "config" code Junio C Hamano
2021-11-29 21:36 ` Junio C Hamano
2021-12-03 10:19 ` [PATCH v4 " Ævar Arnfjörð Bjarmason
2021-12-03 10:19 ` [PATCH v4 1/7] grep.h: remove unused "regex_t regexp" from grep_opt Ævar Arnfjörð Bjarmason
2021-12-03 10:19 ` [PATCH v4 2/7] log tests: check if grep_config() is called by "log"-like cmds Ævar Arnfjörð Bjarmason
2021-12-03 10:19 ` [PATCH v4 3/7] grep tests: add missing "grep.patternType" config test Ævar Arnfjörð Bjarmason
2021-12-03 10:19 ` [PATCH v4 4/7] built-ins: trust the "prefix" from run_builtin() Ævar Arnfjörð Bjarmason
2021-12-03 10:19 ` [PATCH v4 5/7] grep.c: don't pass along NULL callback value Ævar Arnfjörð Bjarmason
2021-12-03 10:19 ` [PATCH v4 6/7] grep API: call grep_config() after grep_init() Ævar Arnfjörð Bjarmason
2021-12-03 10:19 ` [PATCH v4 7/7] grep: simplify config parsing and option parsing Ævar Arnfjörð Bjarmason
2021-12-22 2:58 ` [PATCH v5 0/7] grep: simplify & delete "init" & "config" code Ævar Arnfjörð Bjarmason
2021-12-22 2:58 ` [PATCH v5 1/7] grep.h: remove unused "regex_t regexp" from grep_opt Ævar Arnfjörð Bjarmason
2021-12-22 2:58 ` [PATCH v5 2/7] log tests: check if grep_config() is called by "log"-like cmds Ævar Arnfjörð Bjarmason
2021-12-22 2:58 ` [PATCH v5 3/7] grep tests: add missing "grep.patternType" config test Ævar Arnfjörð Bjarmason
2021-12-23 22:25 ` Junio C Hamano
2021-12-25 0:06 ` Re* " Junio C Hamano
2021-12-25 0:19 ` [RFC/PATCH] grep: allow scripts to ignore configured pattern type Junio C Hamano
2021-12-26 23:09 ` Ævar Arnfjörð Bjarmason
2021-12-25 1:04 ` Re* [PATCH v5 3/7] grep tests: add missing "grep.patternType" config test Junio C Hamano
2021-12-22 2:58 ` [PATCH v5 4/7] built-ins: trust the "prefix" from run_builtin() Ævar Arnfjörð Bjarmason
2021-12-22 2:58 ` [PATCH v5 5/7] grep.c: don't pass along NULL callback value Ævar Arnfjörð Bjarmason
2021-12-22 2:58 ` [PATCH v5 6/7] grep API: call grep_config() after grep_init() Ævar Arnfjörð Bjarmason
2021-12-22 2:58 ` [PATCH v5 7/7] grep: simplify config parsing and option parsing Ævar Arnfjörð Bjarmason
2021-12-23 22:37 ` Junio C Hamano
2021-12-23 0:30 ` [PATCH v5 0/7] grep: simplify & delete "init" & "config" code Junio C Hamano
2021-12-26 22:37 ` [PATCH v6 " Ævar Arnfjörð Bjarmason
2021-12-26 22:37 ` [PATCH v6 1/7] grep.h: remove unused "regex_t regexp" from grep_opt Ævar Arnfjörð Bjarmason
2021-12-26 22:37 ` [PATCH v6 2/7] log tests: check if grep_config() is called by "log"-like cmds Ævar Arnfjörð Bjarmason
2021-12-26 22:37 ` [PATCH v6 3/7] grep tests: add missing "grep.patternType" config tests Ævar Arnfjörð Bjarmason
2021-12-26 22:37 ` [PATCH v6 4/7] built-ins: trust the "prefix" from run_builtin() Ævar Arnfjörð Bjarmason
2021-12-26 22:37 ` [PATCH v6 5/7] grep.c: don't pass along NULL callback value Ævar Arnfjörð Bjarmason
2021-12-26 22:37 ` [PATCH v6 6/7] grep API: call grep_config() after grep_init() Ævar Arnfjörð Bjarmason
2021-12-26 22:37 ` [PATCH v6 7/7] grep: simplify config parsing and option parsing Ævar Arnfjörð Bjarmason
2021-12-27 6:06 ` Junio C Hamano
2021-12-27 18:51 ` Junio C Hamano
2021-12-28 1:07 ` [PATCH v7 00/10] grep: simplify & delete "init" & "config" code Ævar Arnfjörð Bjarmason
2021-12-28 1:07 ` [PATCH v7 01/10] grep.h: remove unused "regex_t regexp" from grep_opt Ævar Arnfjörð Bjarmason
2021-12-28 1:07 ` [PATCH v7 02/10] log tests: check if grep_config() is called by "log"-like cmds Ævar Arnfjörð Bjarmason
2021-12-28 1:07 ` [PATCH v7 03/10] grep tests: add missing "grep.patternType" config tests Ævar Arnfjörð Bjarmason
2021-12-28 1:07 ` [PATCH v7 04/10] built-ins: trust the "prefix" from run_builtin() Ævar Arnfjörð Bjarmason
2021-12-28 1:07 ` [PATCH v7 05/10] grep.c: don't pass along NULL callback value Ævar Arnfjörð Bjarmason
2021-12-28 1:07 ` [PATCH v7 06/10] grep API: call grep_config() after grep_init() Ævar Arnfjörð Bjarmason
2021-12-28 1:07 ` [PATCH v7 07/10] grep.h: make "grep_opt.pattern_type_option" use its enum Ævar Arnfjörð Bjarmason
2021-12-28 1:07 ` [PATCH v7 08/10] grep.c: do "if (bool && memchr())" not "if (memchr() && bool)" Ævar Arnfjörð Bjarmason
2021-12-28 1:07 ` [PATCH v7 09/10] grep: simplify config parsing and option parsing Ævar Arnfjörð Bjarmason
2021-12-28 1:07 ` [PATCH v7 10/10] grep.[ch]: remove GREP_PATTERN_TYPE_UNSPECIFIED Ævar Arnfjörð Bjarmason
2022-01-18 15:55 ` [PATCH v8 00/10] grep: simplify & delete "init" & "config" code Ævar Arnfjörð Bjarmason
2022-01-18 15:55 ` [PATCH v8 01/10] grep.h: remove unused "regex_t regexp" from grep_opt Ævar Arnfjörð Bjarmason
2022-01-18 15:55 ` [PATCH v8 02/10] log tests: check if grep_config() is called by "log"-like cmds Ævar Arnfjörð Bjarmason
2022-01-18 15:55 ` [PATCH v8 03/10] grep tests: add missing "grep.patternType" config tests Ævar Arnfjörð Bjarmason
2022-01-18 15:55 ` [PATCH v8 04/10] built-ins: trust the "prefix" from run_builtin() Ævar Arnfjörð Bjarmason
2022-01-18 15:55 ` [PATCH v8 05/10] grep.c: don't pass along NULL callback value Ævar Arnfjörð Bjarmason
2022-01-18 15:55 ` [PATCH v8 06/10] grep API: call grep_config() after grep_init() Ævar Arnfjörð Bjarmason
2022-01-18 15:55 ` [PATCH v8 07/10] grep.h: make "grep_opt.pattern_type_option" use its enum Ævar Arnfjörð Bjarmason
2022-01-18 15:55 ` [PATCH v8 08/10] grep.c: do "if (bool && memchr())" not "if (memchr() && bool)" Ævar Arnfjörð Bjarmason
2022-01-18 15:55 ` [PATCH v8 09/10] grep: simplify config parsing and option parsing Ævar Arnfjörð Bjarmason
2022-01-18 22:50 ` Junio C Hamano
2022-01-18 22:55 ` Junio C Hamano
2022-01-19 0:17 ` Ævar Arnfjörð Bjarmason
2022-01-19 1:09 ` Junio C Hamano
2022-01-19 1:15 ` Ævar Arnfjörð Bjarmason
2022-01-18 15:55 ` [PATCH v8 10/10] grep.[ch]: remove GREP_PATTERN_TYPE_UNSPECIFIED Ævar Arnfjörð Bjarmason
2022-01-27 11:56 ` [PATCH v9 0/9] grep: simplify & delete "init" & "config" code Ævar Arnfjörð Bjarmason
2022-01-27 11:56 ` [PATCH v9 1/9] grep.h: remove unused "regex_t regexp" from grep_opt Ævar Arnfjörð Bjarmason
2022-01-27 11:56 ` [PATCH v9 2/9] log tests: check if grep_config() is called by "log"-like cmds Ævar Arnfjörð Bjarmason
2022-01-27 11:56 ` [PATCH v9 3/9] grep tests: add missing "grep.patternType" config tests Ævar Arnfjörð Bjarmason
2022-01-27 11:56 ` [PATCH v9 4/9] built-ins: trust the "prefix" from run_builtin() Ævar Arnfjörð Bjarmason
2022-01-27 11:56 ` [PATCH v9 5/9] grep.c: don't pass along NULL callback value Ævar Arnfjörð Bjarmason
2022-01-27 11:56 ` [PATCH v9 6/9] grep API: call grep_config() after grep_init() Ævar Arnfjörð Bjarmason
2022-01-27 11:56 ` [PATCH v9 7/9] grep.h: make "grep_opt.pattern_type_option" use its enum Ævar Arnfjörð Bjarmason
2022-01-27 11:56 ` [PATCH v9 8/9] grep.c: do "if (bool && memchr())" not "if (memchr() && bool)" Ævar Arnfjörð Bjarmason
2022-01-27 11:56 ` [PATCH v9 9/9] grep: simplify config parsing and option parsing Ævar Arnfjörð Bjarmason
2022-01-27 20:30 ` Junio C Hamano
2022-01-27 21:35 ` Junio C Hamano
2022-01-27 21:39 ` Junio C Hamano
2022-02-04 21:20 ` [PATCH v10 0/9] grep: simplify & delete "init" & "config" code Ævar Arnfjörð Bjarmason
2022-02-04 21:20 ` [PATCH v10 1/9] grep.h: remove unused "regex_t regexp" from grep_opt Ævar Arnfjörð Bjarmason
2022-02-04 21:20 ` [PATCH v10 2/9] log tests: check if grep_config() is called by "log"-like cmds Ævar Arnfjörð Bjarmason
2022-02-04 21:20 ` [PATCH v10 3/9] grep tests: add missing "grep.patternType" config tests Ævar Arnfjörð Bjarmason
2022-02-04 23:03 ` Junio C Hamano
2022-02-04 23:24 ` Junio C Hamano
2022-02-04 21:20 ` [PATCH v10 4/9] built-ins: trust the "prefix" from run_builtin() Ævar Arnfjörð Bjarmason
2022-02-04 21:20 ` [PATCH v10 5/9] grep.c: don't pass along NULL callback value Ævar Arnfjörð Bjarmason
2022-02-04 21:20 ` [PATCH v10 6/9] grep API: call grep_config() after grep_init() Ævar Arnfjörð Bjarmason
2022-02-04 21:20 ` [PATCH v10 7/9] grep.h: make "grep_opt.pattern_type_option" use its enum Ævar Arnfjörð Bjarmason
2022-02-04 21:20 ` [PATCH v10 8/9] grep.c: do "if (bool && memchr())" not "if (memchr() && bool)" Ævar Arnfjörð Bjarmason
2022-02-04 21:20 ` [PATCH v10 9/9] grep: simplify config parsing and option parsing Ævar Arnfjörð Bjarmason
2022-02-04 23:41 ` Junio C Hamano
2022-02-16 0:00 ` [PATCH v11 00/10] grep: simplify & delete "init" & "config" code Ævar Arnfjörð Bjarmason
2022-02-16 0:00 ` [PATCH v11 01/10] grep.h: remove unused "regex_t regexp" from grep_opt Ævar Arnfjörð Bjarmason
2022-02-16 0:00 ` [PATCH v11 02/10] log tests: check if grep_config() is called by "log"-like cmds Ævar Arnfjörð Bjarmason
2022-02-16 0:00 ` [PATCH v11 03/10] grep tests: create a helper function for "BRE" or "ERE" Ævar Arnfjörð Bjarmason
2022-02-16 0:00 ` [PATCH v11 04/10] grep tests: add missing "grep.patternType" config tests Ævar Arnfjörð Bjarmason
2022-02-16 0:00 ` [PATCH v11 05/10] built-ins: trust the "prefix" from run_builtin() Ævar Arnfjörð Bjarmason
2022-02-16 0:00 ` [PATCH v11 06/10] grep.c: don't pass along NULL callback value Ævar Arnfjörð Bjarmason
2022-02-16 0:00 ` [PATCH v11 07/10] grep API: call grep_config() after grep_init() Ævar Arnfjörð Bjarmason
2022-02-16 0:00 ` [PATCH v11 08/10] grep.h: make "grep_opt.pattern_type_option" use its enum Ævar Arnfjörð Bjarmason
2022-02-16 0:00 ` [PATCH v11 09/10] grep.c: do "if (bool && memchr())" not "if (memchr() && bool)" Ævar Arnfjörð Bjarmason
2022-02-16 0:00 ` [PATCH v11 10/10] grep: simplify config parsing and option parsing Ævar Arnfjörð Bjarmason
2022-02-16 2:20 ` [PATCH v11 00/10] grep: simplify & delete "init" & "config" code Junio C Hamano
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