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From: Junio C Hamano <gitster@pobox.com>
To: "Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com>
Cc: git@vger.kernel.org, Johannes Schindelin <johannes.schindelin@gmx.de>
Subject: Re: [PATCH v2 3/3] ci: stop linking built-ins to the dashed versions
Date: Mon, 24 Aug 2020 12:06:56 -0700	[thread overview]
Message-ID: <xmqqimd750dr.fsf@gitster.c.googlers.com> (raw)
In-Reply-To: <ea23ba5e269305b660a1722254e2a933c14e5b57.1598283480.git.gitgitgadget@gmail.com> (Johannes Schindelin via GitGitGadget's message of "Mon, 24 Aug 2020 15:38:00 +0000")

"Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com>
writes:

> From: Johannes Schindelin <johannes.schindelin@gmx.de>
>
> Originally, all of Git's subcommands were implemented in their own
> executable/script, using the naming scheme `git-<command-name>`. When
> more and more functionality was turned into built-in commands (i.e. the
> `git` executable could run them without spawning a separate process),
> for backwards-compatibility, we hard-link the `git` executable to
> `git-<built-in>` for every built-in.
>
> This backwards-compatibility was needed to support scripts that called
> the dashed form, even if we deprecated that a _long_ time ago.

This paragraph is irrelevant.  We are keeping the support for it and
this topic is not newly deprecating or removing anything.  We need
to argue for a need to test an installation that lacks these builtin
subcommands anywhere on disk under their own names, which you did
succinctly below (and there is no need for "For that reason,"
there).

> For that reason, we just introduced a Makefile knob to skip linking
> them. TO make sure that this keeps working, teach the CI

s/TO/To/

> (and PR) builds to skip generating those hard-links.

What is not justified enough is why we no longer test installations
with dashed builtins on disk.  If this topic is primarily about
Windows (as 2/3 said), perhaps we can do this only for Windows tasks
before we make a colletive decision to _DROP_ support for the on-disk
builtin subcommands?

> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
> ---
>  ci/run-build-and-tests.sh | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/ci/run-build-and-tests.sh b/ci/run-build-and-tests.sh
> index 6c27b886b8..1df9402c3b 100755
> --- a/ci/run-build-and-tests.sh
> +++ b/ci/run-build-and-tests.sh
> @@ -10,7 +10,7 @@ windows*) cmd //c mklink //j t\\.prove "$(cygpath -aw "$cache_dir/.prove")";;
>  *) ln -s "$cache_dir/.prove" t/.prove;;
>  esac
>  
> -make
> +make SKIP_DASHED_BUILT_INS=YesPlease
>  case "$jobname" in
>  linux-gcc)
>  	make test

  reply	other threads:[~2020-08-24 19:07 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-17  9:07 [PATCH 0/3] Optionally skip linking/copying the built-ins Johannes Schindelin
2020-08-17  4:55 ` Johannes Schindelin
2020-08-17 18:02   ` Junio C Hamano
2020-08-24 12:47     ` Johannes Schindelin
2020-08-24 18:42       ` Junio C Hamano
2020-08-25  8:07         ` Johannes Schindelin
2020-08-25 16:03           ` Junio C Hamano
2020-08-17  9:07 ` [PATCH 1/3] msvc: copy the correct `.pdb` files in the Makefile target `install` Johannes Schindelin
2020-08-17  9:24   ` Jeff King
2020-08-17  5:51     ` Johannes Schindelin
2020-08-17 21:37       ` Jeff King
2020-08-18  6:17         ` Johannes Schindelin
2020-08-17  9:07 ` [PATCH 2/3] Optionally skip linking/copying the built-ins Johannes Schindelin
2020-08-17 18:19   ` Junio C Hamano
2020-08-24 14:58     ` Johannes Schindelin
2020-08-17  9:07 ` [PATCH 3/3] ci: stop linking built-ins to the dashed versions Johannes Schindelin
2020-08-17 18:26   ` Junio C Hamano
2020-08-24 15:37 ` [PATCH v2 0/3] Optionally skip linking/copying the built-ins Johannes Schindelin via GitGitGadget
2020-08-24 15:37   ` [PATCH v2 1/3] msvc: copy the correct `.pdb` files in the Makefile target `install` Johannes Schindelin via GitGitGadget
2020-08-24 15:37   ` [PATCH v2 2/3] Optionally skip linking/copying the built-ins Johannes Schindelin via GitGitGadget
2020-08-24 19:02     ` Junio C Hamano
2020-08-25  8:20       ` Johannes Schindelin
2020-08-24 15:38   ` [PATCH v2 3/3] ci: stop linking built-ins to the dashed versions Johannes Schindelin via GitGitGadget
2020-08-24 19:06     ` Junio C Hamano [this message]
2020-08-25  8:30       ` Johannes Schindelin
2020-08-25 13:47     ` SZEDER Gábor
2020-08-25 15:42       ` Junio C Hamano
2020-08-26  4:19         ` Johannes Schindelin
2020-08-26 16:13           ` Junio C Hamano
2020-08-26 16:24             ` Junio C Hamano
2020-09-02  7:06             ` Johannes Schindelin
2020-09-02 20:50               ` Junio C Hamano
2020-08-27  8:30           ` SZEDER Gábor
2020-08-24 18:55   ` [PATCH v2 0/3] Optionally skip linking/copying the built-ins Junio C Hamano
2020-08-24 19:03     ` Jeff King
2020-08-24 19:51       ` Junio C Hamano
2020-08-26 11:56   ` [PATCH v3 " Johannes Schindelin via GitGitGadget
2020-08-26 11:56     ` [PATCH v3 1/3] msvc: copy the correct `.pdb` files in the Makefile target `install` Johannes Schindelin via GitGitGadget
2020-08-26 11:56     ` [PATCH v3 2/3] Optionally skip linking/copying the built-ins Johannes Schindelin via GitGitGadget
2020-08-26 16:20       ` Junio C Hamano
2020-08-26 11:56     ` [PATCH v3 3/3] ci: stop linking built-ins to the dashed versions Johannes Schindelin via GitGitGadget
2020-09-03 10:45       ` SZEDER Gábor
2020-09-08 11:32         ` Johannes Schindelin
2020-09-08 11:48           ` SZEDER Gábor
2020-09-08 17:18           ` Junio C Hamano
2020-09-21 22:28     ` [PATCH v4 0/3] Optionally skip linking/copying the built-ins Johannes Schindelin via GitGitGadget
2020-09-21 22:28       ` [PATCH v4 1/3] msvc: copy the correct `.pdb` files in the Makefile target `install` Johannes Schindelin via GitGitGadget
2020-09-21 22:28       ` [PATCH v4 2/3] Optionally skip linking/copying the built-ins Johannes Schindelin via GitGitGadget
2020-09-21 22:28       ` [PATCH v4 3/3] ci: stop linking built-ins to the dashed versions Johannes Schindelin via GitGitGadget
2020-09-21 22:53         ` Junio C Hamano

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