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From: Junio C Hamano <gitster@pobox.com>
To: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Cc: git@vger.kernel.org, "Phillip Wood" <phillip.wood123@gmail.com>,
	"Jeff King" <peff@peff.net>, "Dan Jacques" <dnj@google.com>,
	"Eric Wong" <e@80x24.org>, "Jonathan Nieder" <jrnieder@gmail.com>,
	"Mike Hommey" <mh@glandium.org>,
	"Đoàn Trần Công Danh" <congdanhqx@gmail.com>
Subject: Re: [PATCH v4 14/23] Makefile: re-add and use the "shellquote" macros
Date: Mon, 13 Dec 2021 16:31:01 -0800	[thread overview]
Message-ID: <xmqqr1ag81tm.fsf@gitster.g> (raw)
In-Reply-To: <xmqq4k7c9k68.fsf@gitster.g> (Junio C. Hamano's message of "Mon, 13 Dec 2021 15:09:19 -0800")

Junio C Hamano <gitster@pobox.com> writes:

> All of the above may very well explain why we decided not to use
> $(call shellquote) in the past, and it may also explain why it is
> safe to start using it again today, but it does not explain why we
> want to do so in the first place.
>
> Having to write
>
> 	$(call shellquote,$(VAR))
>
> in longhand is much more cumbersome to read, write and merge than
> defining a prepackaged VAR_SQ just once and refer it as
>
> 	'$(VAR_SQ)'
>
> everywhere.

Having said all that, I would not have minded if this change were
more isolated and turned things like

CHAINLINTTMP_SQ = $(subst ','\'',$(CHAINLINTTMP))

to use the $(call shellquote) mechanism, if all of us found it
easier to read than repeating the same line-noise substitutions for
many variables.

What was irritating was primarily that the patch went one step
further to eliminate the _SQ variant variables, making the resulting
sites that use them harder to read and understand.


  reply	other threads:[~2021-12-14  0:31 UTC|newest]

Thread overview: 107+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-06 21:03 [PATCH 00/16] Makefiles: dependency correctness & speedup Ævar Arnfjörð Bjarmason
2021-11-06 21:03 ` [PATCH 01/16] Makefile: don't set up "perl/build" rules under NO_PERL=Y Ævar Arnfjörð Bjarmason
2021-11-06 21:03 ` [PATCH 02/16] Makefile: clean perl/build/ even with NO_PERL=Y Ævar Arnfjörð Bjarmason
2021-11-09 23:10   ` Junio C Hamano
2021-11-06 21:03 ` [PATCH 03/16] Makefile: remove "mv $@ $@+" dance redundant to .DELETE_ON_ERROR Ævar Arnfjörð Bjarmason
2021-11-06 21:03 ` [PATCH 04/16] Makefile: move Perl-only variable assignments under !NO_PERL Ævar Arnfjörð Bjarmason
2021-11-09 23:22   ` Junio C Hamano
2021-11-06 21:03 ` [PATCH 05/16] Makefile: correct "GIT-PERL-{DEFINES,HEADER}" dependency graph Ævar Arnfjörð Bjarmason
2021-11-07  1:51   ` Eric Sunshine
2021-11-06 21:03 ` [PATCH 06/16] Makefile: don't have Perl over-depend on GIT-BUILD-OPTIONS Ævar Arnfjörð Bjarmason
2021-11-06 21:03 ` [PATCH 07/16] Makefile: create a GIT-PYTHON-DEFINES, like "PERL" Ævar Arnfjörð Bjarmason
2021-11-07  1:55   ` Eric Sunshine
2021-11-06 21:03 ` [PATCH 08/16] Makefile: stop needing @@GIT_VERSION@@ in *.perl scripts Ævar Arnfjörð Bjarmason
2021-11-06 21:03 ` [PATCH 09/16] Makefiles: add "shared.mak", move ".DELETE_ON_ERROR" to it Ævar Arnfjörð Bjarmason
2021-11-06 21:03 ` [PATCH 10/16] Makefile: move $(comma), $(empty) and $(space) to shared.mak Ævar Arnfjörð Bjarmason
2021-11-06 21:03 ` [PATCH 11/16] Makefile: re-add and use the "shellquote" macros Ævar Arnfjörð Bjarmason
2021-11-06 21:03 ` [PATCH 12/16] Makefile: add a "TRACK_template" for GIT-*{FLAGS,DEFINES,...} Ævar Arnfjörð Bjarmason
2021-11-06 21:03 ` [PATCH 13/16] Makefile: add "$(QUIET)" boilerplate to shared.mak Ævar Arnfjörð Bjarmason
2021-11-06 21:03 ` [PATCH 14/16] Makefile: use $(wspfx) for $(QUIET...) in shared.mak Ævar Arnfjörð Bjarmason
2021-11-06 21:03 ` [PATCH 15/16] Makefiles: add and use wildcard "mkdir -p" template Ævar Arnfjörð Bjarmason
2021-11-06 21:03 ` [PATCH 16/16] Makefile: don't invoke msgfmt with --statistics Ævar Arnfjörð Bjarmason
2021-11-12 21:48 ` [PATCH v2 00/18] Makefiles: dependency correctness & speedup Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 01/18] Makefile: don't invoke msgfmt with --statistics Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 02/18] Makefile: don't set up "perl/build" rules under NO_PERL=Y Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 03/18] Makefile: use "=" not ":=" for po/* and perl/* Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 04/18] Makefile: clean perl/build/ even with NO_PERL=Y Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 05/18] Makefile: remove "mv $@ $@+" dance redundant to .DELETE_ON_ERROR Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 06/18] Makefile: guard Perl-only variable assignments Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 07/18] Makefile: change "ifndef NO_PERL" to "ifdef NO_PERL" Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 08/18] Makefile: adjust Perl-related comments & whitespace Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 09/18] Makefile: correct "GIT-PERL-{DEFINES,HEADER}" dependency graph Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 10/18] Makefile: create a GIT-PYTHON-DEFINES, like "PERL" Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 11/18] Makefile: stop needing @@GIT_VERSION@@ in *.perl scripts Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 12/18] Makefiles: add "shared.mak", move ".DELETE_ON_ERROR" to it Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 13/18] Makefile: move $(comma), $(empty) and $(space) to shared.mak Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 14/18] Makefile: re-add and use the "shellquote" macros Ævar Arnfjörð Bjarmason
2021-11-12 21:48   ` [PATCH v2 15/18] Makefile: add a "TRACK_template" for GIT-*{FLAGS,DEFINES,...} Ævar Arnfjörð Bjarmason
2021-11-12 21:49   ` [PATCH v2 16/18] Makefile: add "$(QUIET)" boilerplate to shared.mak Ævar Arnfjörð Bjarmason
2021-11-12 21:49   ` [PATCH v2 17/18] Makefile: use $(wspfx) for $(QUIET...) in shared.mak Ævar Arnfjörð Bjarmason
2021-11-12 21:49   ` [PATCH v2 18/18] Makefiles: add and use wildcard "mkdir -p" template Ævar Arnfjörð Bjarmason
2021-11-16 12:00   ` [PATCH v3 00/23] Makefile: dependency fixes, make noop runtime ~1.4x faster Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 01/23] Makefile: don't invoke msgfmt with --statistics Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 02/23] Makefile: don't set up "perl/build" rules under NO_PERL=Y Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 03/23] Makefile: use "=" not ":=" for po/* and perl/* Ævar Arnfjörð Bjarmason
2021-11-17  1:57       ` Mike Hommey
2021-11-16 12:00     ` [PATCH v3 04/23] Makefile: clean perl/build/ even with NO_PERL=Y Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 05/23] Makefile: remove "mv $@ $@+" dance redundant to .DELETE_ON_ERROR Ævar Arnfjörð Bjarmason
2021-11-17  2:01       ` Mike Hommey
2021-11-17  9:20         ` Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 06/23] Makefile: guard Perl-only variable assignments Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 07/23] Makefile: change "ifndef NO_PERL" to "ifdef NO_PERL" Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 08/23] Makefile: adjust Perl-related comments & whitespace Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 09/23] Makefile: correct "GIT-PERL-{DEFINES,HEADER}" dependency graph Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 10/23] Makefile: create a GIT-PYTHON-DEFINES, like "PERL" Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 11/23] Makefile: stop needing @@GIT_VERSION@@ in *.perl scripts Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 12/23] Makefiles: add "shared.mak", move ".DELETE_ON_ERROR" to it Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 13/23] Makefile: move $(comma), $(empty) and $(space) to shared.mak Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 14/23] Makefile: re-add and use the "shellquote" macros Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 15/23] Makefile: add a "TRACK_template" for GIT-*{FLAGS,DEFINES,...} Ævar Arnfjörð Bjarmason
2021-11-17  2:19       ` Mike Hommey
2021-11-17  9:24         ` Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 16/23] Makefile: add "$(QUIET)" boilerplate to shared.mak Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 17/23] Makefile: use $(wspfx) for $(QUIET...) in shared.mak Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 18/23] Makefiles: add and use wildcard "mkdir -p" template Ævar Arnfjörð Bjarmason
2021-11-17  2:51       ` Mike Hommey
2021-11-17  9:26         ` Ævar Arnfjörð Bjarmason
2021-11-17  9:39           ` Mike Hommey
2021-11-17 11:52             ` Ævar Arnfjörð Bjarmason
2021-11-18  0:00               ` Mike Hommey
2021-11-18 13:05                 ` Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 19/23] Makefile: correct the dependency graph of hook-list.h Ævar Arnfjörð Bjarmason
2021-11-17  2:52       ` Mike Hommey
2021-11-16 12:00     ` [PATCH v3 20/23] Makefile: use $(file) I/O instead of "FORCE" when possible Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 21/23] Makefile: disable GNU make built-in wildcard rules Ævar Arnfjörð Bjarmason
2021-11-17  3:00       ` Mike Hommey
2021-11-17  9:47         ` Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 22/23] Makefile: define $(LIB_H) in terms of $(FIND_SOURCE_FILES) Ævar Arnfjörð Bjarmason
2021-11-16 12:00     ` [PATCH v3 23/23] Makefile: move ".SUFFIXES" rule to shared.mak Ævar Arnfjörð Bjarmason
2021-11-17 10:19     ` [PATCH v4 00/23] Makefile: dependency fixes, make noop runtime ~1.4x faster Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 01/23] Makefile: don't invoke msgfmt with --statistics Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 02/23] Makefile: don't set up "perl/build" rules under NO_PERL=Y Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 03/23] Makefile: use "=" not ":=" for po/* and perl/* Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 04/23] Makefile: clean perl/build/ even with NO_PERL=Y Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 05/23] Makefile: remove "mv $@ $@+" dance redundant to .DELETE_ON_ERROR Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 06/23] Makefile: guard Perl-only variable assignments Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 07/23] Makefile: change "ifndef NO_PERL" to "ifdef NO_PERL" Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 08/23] Makefile: adjust Perl-related comments & whitespace Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 09/23] Makefile: correct "GIT-PERL-{DEFINES,HEADER}" dependency graph Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 10/23] Makefile: create a GIT-PYTHON-DEFINES, like "PERL" Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 11/23] Makefile: stop needing @@GIT_VERSION@@ in *.perl scripts Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 12/23] Makefiles: add "shared.mak", move ".DELETE_ON_ERROR" to it Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 13/23] Makefile: move $(comma), $(empty) and $(space) to shared.mak Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 14/23] Makefile: re-add and use the "shellquote" macros Ævar Arnfjörð Bjarmason
2021-12-13 23:09         ` Junio C Hamano
2021-12-14  0:31           ` Junio C Hamano [this message]
2021-11-17 10:20       ` [PATCH v4 15/23] Makefile: add a "TRACK_template" for GIT-*{FLAGS,DEFINES,...} Ævar Arnfjörð Bjarmason
2021-11-19  6:45         ` Junio C Hamano
2021-11-19  6:56           ` Junio C Hamano
2021-11-19  7:30             ` Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 16/23] Makefile: add "$(QUIET)" boilerplate to shared.mak Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 17/23] Makefile: use $(wspfx) for $(QUIET...) in shared.mak Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 18/23] Makefiles: add and use wildcard "mkdir -p" template Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 19/23] Makefile: correct the dependency graph of hook-list.h Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 20/23] Makefile: use $(file) I/O instead of "FORCE" when possible Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 21/23] Makefile: disable GNU make built-in wildcard rules Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 22/23] Makefile: define $(LIB_H) in terms of $(FIND_SOURCE_FILES) Ævar Arnfjörð Bjarmason
2021-11-17 10:20       ` [PATCH v4 23/23] Makefile: move ".SUFFIXES" rule to shared.mak Ævar Arnfjörð Bjarmason

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