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From: Johannes Schindelin <Johannes.Schindelin@gmx.de>
To: Sibi Siddharthan <sibisiddharthan.github@gmail.com>
Cc: "Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com>,
	git@vger.kernel.org, "Đoàn Trần Công Danh" <congdanhqx@gmail.com>,
	"SZEDER Gábor" <szeder.dev@gmail.com>
Subject: Re: [PATCH 02/10] cmake: do find Git for Windows' shell interpreter
Date: Sat, 26 Sep 2020 22:32:25 +0200 (CEST)	[thread overview]
Message-ID: <nycvar.QRO.7.76.6.2009260821260.50@tvgsbejvaqbjf.bet> (raw)
In-Reply-To: <CAKiG+9V=BGX4k_dM-5JzYmko0cZfYXuSxEk5-UuHZpAqaWoU_A@mail.gmail.com>

Hi Sibi,

On Fri, 25 Sep 2020, Sibi Siddharthan wrote:

> > diff --git a/contrib/buildsystems/CMakeLists.txt b/contrib/buildsystems/CMakeLists.txt
> > index 5007f173f1..d14fa4f3dc 100644
> > --- a/contrib/buildsystems/CMakeLists.txt
> > +++ b/contrib/buildsystems/CMakeLists.txt
> > @@ -43,8 +43,11 @@ set(CMAKE_SOURCE_DIR ${CMAKE_CURRENT_LIST_DIR}/../..)
> >
> >  find_program(SH_EXE sh)
> >  if(NOT SH_EXE)
> > -       message(FATAL_ERROR "sh: shell interpreter was not found in your path, please install one."
> > -                       "On Windows, you can get it as part of 'Git for Windows' install at https://gitforwindows.org/")
> > +       set(SH_EXE "C:/Program Files/Git/bin/sh.exe")
> > +       if(NOT EXISTS ${SH_EXE})
> > +               message(FATAL_ERROR "sh: shell interpreter was not found in your path, please install one."
> > +                               "On Windows, you can get it as part of 'Git for Windows' install at https://gitforwindows.org/")
> > +       endif()
> >  endif()
> >
> Let's not point SH_EXE to the 'program files' directory.

It is not doing that, except as a fall-back in case the `sh` program
was not found in the `PATH`.

> find_program() searches 'PATH' for sh.

Right.

> Since the Git-for-windows installer does append
> 'your_installation_directory'/Git/bin to the PATH variable, it should
> be fine.

No, it does not. Quite purposefully so.

The `/bin/` directory is kind of a hack to reinstate _some_ level of
support for use cases that relied on Git for Windows v1.x installing its
binaries into that directory (v2.x distributes them between `/usr/bin/`
and `/mingw64/bin/`).

What _does_ get appended, at least by default, is the `/cmd/` directory
(which does _not_ contain `sh.exe`).

Now, there _is_ an option in the Git for Windows installer to append all
of its Unix tools to the `PATH`, but it is highly discouraged to do so.

> I personally don't install my dev tools(except Visual Studio) to
> Program Files(because of the _space_), it messes up the Makefiles.

Sure, and that's your prerogative. There's unfortunately no good way to
support your use case.

Luckily, the vast majority of Git for Windows' users do not change the
default location, and this patch is for them. (And "them" in this case
includes me, personally ;-))

Ciao,
Dscho

  reply	other threads:[~2020-09-26 20:32 UTC|newest]

Thread overview: 70+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-25 14:28 [PATCH 00/10] CMake and Visual Studio Johannes Schindelin via GitGitGadget
2020-09-25 14:28 ` [PATCH 01/10] cmake: ignore files generated by CMake as run in " Johannes Schindelin via GitGitGadget
2020-09-25 14:28 ` [PATCH 02/10] cmake: do find Git for Windows' shell interpreter Johannes Schindelin via GitGitGadget
2020-09-25 16:25   ` Sibi Siddharthan
2020-09-26 20:32     ` Johannes Schindelin [this message]
2020-09-27  2:25       ` Đoàn Trần Công Danh
2020-09-28 13:56         ` Johannes Schindelin
2020-09-29 14:04           ` Đoàn Trần Công Danh
2020-09-29 18:42             ` Johannes Schindelin
2020-09-25 14:28 ` [PATCH 03/10] cmake: ensure that the `vcpkg` packages are found on Windows Johannes Schindelin via GitGitGadget
2020-09-25 14:28 ` [PATCH 04/10] cmake: fall back to using `vcpkg`'s `msgfmt.exe` " Johannes Schindelin via GitGitGadget
2020-09-25 14:28 ` [PATCH 05/10] cmake: quote the path accurately when editing `test-lib.sh` Johannes Schindelin via GitGitGadget
2020-09-25 14:28 ` [PATCH 06/10] cmake (Windows): let the `.dll` files are found when running the tests Johannes Schindelin via GitGitGadget
2020-09-25 19:48   ` Eric Sunshine
2020-09-26 21:00     ` Johannes Schindelin
2020-09-25 14:28 ` [PATCH 07/10] cmake (Windows): complain when encountering an unknown compiler Johannes Schindelin via GitGitGadget
2020-09-25 17:29   ` Sibi Siddharthan
2020-09-26 20:33     ` Johannes Schindelin
2020-09-25 14:28 ` [PATCH 08/10] cmake (Windows): initialize vcpkg/build dependencies automatically Johannes Schindelin via GitGitGadget
2020-09-30  5:05   ` Sibi Siddharthan
2020-09-30 15:25     ` Johannes Schindelin
2020-09-25 14:28 ` [PATCH 09/10] cmake (Windows): recommend using Visual Studio's built-in CMake support Johannes Schindelin via GitGitGadget
2020-09-25 18:22   ` Junio C Hamano
2020-09-26 20:45     ` Johannes Schindelin
2020-09-25 14:28 ` [PATCH 10/10] hashmap_for_each_entry(): work around MSVC's run-time check failure #3 Johannes Schindelin via GitGitGadget
2020-09-25 18:38   ` Junio C Hamano
2020-09-26 16:54     ` Junio C Hamano
2020-09-26 20:57       ` Johannes Schindelin
2020-09-26 21:32 ` [PATCH v2 00/10] CMake and Visual Studio Johannes Schindelin via GitGitGadget
2020-09-26 21:32   ` [PATCH v2 01/10] cmake: ignore files generated by CMake as run in " Johannes Schindelin via GitGitGadget
2020-09-26 21:32   ` [PATCH v2 02/10] cmake: do find Git for Windows' shell interpreter Johannes Schindelin via GitGitGadget
2020-09-28 11:17     ` Øystein Walle
2020-09-28 19:39       ` Johannes Schindelin
2020-09-26 21:32   ` [PATCH v2 03/10] cmake: ensure that the `vcpkg` packages are found on Windows Johannes Schindelin via GitGitGadget
2020-09-26 21:32   ` [PATCH v2 04/10] cmake: fall back to using `vcpkg`'s `msgfmt.exe` " Johannes Schindelin via GitGitGadget
2020-09-26 21:32   ` [PATCH v2 05/10] cmake: quote the path accurately when editing `test-lib.sh` Johannes Schindelin via GitGitGadget
2020-09-26 21:32   ` [PATCH v2 06/10] cmake (Windows): let the `.dll` files be found when running the tests Johannes Schindelin via GitGitGadget
2020-09-26 21:32   ` [PATCH v2 07/10] cmake (Windows): complain when encountering an unknown compiler Johannes Schindelin via GitGitGadget
2020-09-26 21:32   ` [PATCH v2 08/10] cmake (Windows): initialize vcpkg/build dependencies automatically Johannes Schindelin via GitGitGadget
2020-09-26 21:32   ` [PATCH v2 09/10] cmake (Windows): recommend using Visual Studio's built-in CMake support Johannes Schindelin via GitGitGadget
2020-09-26 21:32   ` [PATCH v2 10/10] hashmap_for_each_entry(): workaround MSVC's runtime check failure #3 Junio C Hamano via GitGitGadget
2020-09-28 21:09   ` [PATCH v3 00/11] CMake and Visual Studio Johannes Schindelin via GitGitGadget
2020-09-28 21:09     ` [PATCH v3 01/11] cmake: ignore files generated by CMake as run in " Johannes Schindelin via GitGitGadget
2020-09-28 21:09     ` [PATCH v3 02/11] cmake: do find Git for Windows' shell interpreter Johannes Schindelin via GitGitGadget
2020-09-28 21:09     ` [PATCH v3 03/11] cmake: ensure that the `vcpkg` packages are found on Windows Johannes Schindelin via GitGitGadget
2020-09-28 21:09     ` [PATCH v3 04/11] cmake: fall back to using `vcpkg`'s `msgfmt.exe` " Johannes Schindelin via GitGitGadget
2020-09-28 21:09     ` [PATCH v3 05/11] cmake: quote the path accurately when editing `test-lib.sh` Johannes Schindelin via GitGitGadget
2020-09-28 21:09     ` [PATCH v3 06/11] cmake (Windows): let the `.dll` files be found when running the tests Johannes Schindelin via GitGitGadget
2020-09-28 21:09     ` [PATCH v3 07/11] cmake (Windows): complain when encountering an unknown compiler Johannes Schindelin via GitGitGadget
2020-09-28 21:09     ` [PATCH v3 08/11] cmake (Windows): initialize vcpkg/build dependencies automatically Johannes Schindelin via GitGitGadget
2020-09-29  6:51       ` Sibi Siddharthan
2020-09-29 12:07         ` Johannes Schindelin
2020-09-28 21:09     ` [PATCH v3 09/11] cmake (Windows): recommend using Visual Studio's built-in CMake support Johannes Schindelin via GitGitGadget
2020-09-28 21:09     ` [PATCH v3 10/11] hashmap_for_each_entry(): workaround MSVC's runtime check failure #3 Junio C Hamano via GitGitGadget
2020-09-28 21:09     ` [PATCH v3 11/11] cmake: fix typo in message when `msgfmt` was not found Johannes Schindelin via GitGitGadget
2020-09-28 22:11       ` Junio C Hamano
2020-09-29 12:07         ` Johannes Schindelin
2020-09-30 15:26     ` [PATCH v4 00/10] CMake and Visual Studio Johannes Schindelin via GitGitGadget
2020-09-30 15:26       ` [PATCH v4 01/10] cmake: ignore files generated by CMake as run in " Johannes Schindelin via GitGitGadget
2020-09-30 15:26       ` [PATCH v4 02/10] cmake: do find Git for Windows' shell interpreter Johannes Schindelin via GitGitGadget
2020-09-30 15:26       ` [PATCH v4 03/10] cmake: ensure that the `vcpkg` packages are found on Windows Johannes Schindelin via GitGitGadget
2020-09-30 15:26       ` [PATCH v4 04/10] cmake: fall back to using `vcpkg`'s `msgfmt.exe` " Johannes Schindelin via GitGitGadget
2020-09-30 15:26       ` [PATCH v4 05/10] cmake: quote the path accurately when editing `test-lib.sh` Johannes Schindelin via GitGitGadget
2020-09-30 15:26       ` [PATCH v4 06/10] cmake (Windows): let the `.dll` files be found when running the tests Johannes Schindelin via GitGitGadget
2020-09-30 15:26       ` [PATCH v4 07/10] cmake (Windows): complain when encountering an unknown compiler Johannes Schindelin via GitGitGadget
2020-09-30 15:26       ` [PATCH v4 08/10] cmake (Windows): initialize vcpkg/build dependencies automatically Johannes Schindelin via GitGitGadget
2020-09-30 19:17         ` Johannes Schindelin
2020-09-30 23:08           ` Junio C Hamano
2020-09-30 15:26       ` [PATCH v4 09/10] cmake (Windows): recommend using Visual Studio's built-in CMake support Johannes Schindelin via GitGitGadget
2020-09-30 15:26       ` [PATCH v4 10/10] hashmap_for_each_entry(): workaround MSVC's runtime check failure #3 Junio C Hamano via GitGitGadget

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