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From: "Lénaïc Huard" <lenaic@lhuard.fr>
To: git@vger.kernel.org
Cc: "Junio C Hamano" <gitster@pobox.com>,
	"Derrick Stolee" <dstolee@microsoft.com>,
	"Eric Sunshine" <sunshine@sunshineco.com>,
	"Đoàn Trần Công Danh" <congdanhqx@gmail.com>,
	"Felipe Contreras" <felipe.contreras@gmail.com>,
	"Phillip Wood" <phillip.wood123@gmail.com>,
	"Martin Ågren" <martin.agren@gmail.com>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
	"Bagas Sanjaya" <bagasdotme@gmail.com>,
	"brian m . carlson" <sandals@crustytoothpaste.net>,
	"Lénaïc Huard" <lenaic@lhuard.fr>
Subject: [PATCH v3 0/4] maintenance: use systemd timers on Linux
Date: Fri, 21 May 2021 00:13:55 +0200	[thread overview]
Message-ID: <20210520221359.75615-1-lenaic@lhuard.fr> (raw)
In-Reply-To: <20210509213217.449489-1-lenaic@lhuard.fr>

Hello,

Thanks again for your valuable feedback!
I’ve reworked this submission to hopefully address all the raised
concerns.

As it’s becoming bigger, I’ve split it in several patches:

* cache.h: rename "xdg_config_home" to "xdg_config_home_git"

In order to honor `$XDG_CONFIG_HOME` to built the path of systemd units,
a lot of code from the `xdg_config_home()` function was
duplicated. This existing function couldn’t be used as-is because
it was hard-coding the `git` sub-directory below `$XDG_CONFIG_HOME`.

This first preparatory patch re-purposes `xdg_config_home()` to make
it more generic by removing the `git` path it used to append to
`$XDG_CONFIG_HOME`.
Thanks to this refactoring, `xdg_config_home()` can be used to build
paths like:
* `$XDG_CONFIG_HOME/git/…` it’s the new `xdg_config_home_git()`
function and
* `$XDG_CONFIG_HOME/systemd/user/…` it’s the new
`xdg_config_home_systemd()` function which will be introduced later,
in the last patch of this series.

* maintenance: introduce ENABLE/DISABLE for code clarity

Some functions in git maintenance are doing one thing and the exact
opposite, depending on a parameter that could be `0` or `1`.
This could sometimes be confusing.
This patch introduces an enum with `ENABLE` and `DISABLE` values to
make the code more explicit.

* maintenance: `git maintenance run` learned `--scheduler=<scheduler>`

This patch contains all the code that is related to the addition of
the new `--scheduler` parameter of the `git maintenance start`
command, independently of the systemd timers.

This part has significantly changed to review the testing mechanisms.
The `GIT_TEST_MAINT_SCHEDULER` environment variable can now take a
comma separated list of schedulers and their mock in order to be able
to test cases where multiple schedulers are available.

It allows to test that `git maintenance start --scheduler=XXX` not
only enables the scheduler XXX, but it also disables all the other
available ones.
We can also test that `git maintenance stop`, stops all the available
schedulers.

In order to remove the `cmd` parameter that was passed to a lot of
functions, the parsing of `GIT_TEST_MAINT_SCHEDULER` is now factorized
in a `get_schedule_cmd()` function that is invoked from the leaves of
the function call tree.
It means that this function is called many times to parse
`GIT_TEST_MAINT_SCHEDULER` again and again.
It is inefficient but as it is used for test only, it shouldn’t be a
concern.

`int get_schdule_cmd(const char **cmd, int *is_available)`

This function returns `true` if `GIT_TEST_MAINT_SCHEDULER` is
defined. `false` otherwise.

`*is_available` is set to `true` if `*cmd` is present in
`$GIT_TEST_MAINT_SCHEDULER`, and to `false` otherwise.

If `*cmd` is present in `$GIT_TEST_MAINT_SCHEDULER`, it’s value is
updated to its mock.

* maintenance: optionally use systemd timers on Linux

This last patch adds the support for systemd timers.

Lénaïc Huard (4):
  cache.h: rename "xdg_config_home" to "xdg_config_home_git"
  maintenance: introduce ENABLE/DISABLE for code clarity
  maintenance: `git maintenance run` learned `--scheduler=<scheduler>`
  maintenance: optionally use systemd timers on Linux

 Documentation/git-maintenance.txt |  60 ++++
 attr.c                            |   2 +-
 builtin/config.c                  |   2 +-
 builtin/credential-cache.c        |   2 +-
 builtin/credential-store.c        |   2 +-
 builtin/gc.c                      | 549 ++++++++++++++++++++++++++----
 cache.h                           |  12 +-
 config.c                          |   2 +-
 dir.c                             |   2 +-
 path.c                            |  35 +-
 sequencer.c                       |   2 +-
 t/t7900-maintenance.sh            | 110 +++++-
 12 files changed, 685 insertions(+), 95 deletions(-)

-- 
2.31.1


  parent reply	other threads:[~2021-05-20 22:23 UTC|newest]

Thread overview: 138+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-01 14:52 [PATCH] maintenance: use systemd timers on Linux Lénaïc Huard
2021-05-01 20:02 ` brian m. carlson
2021-05-02  5:28 ` Bagas Sanjaya
2021-05-02  6:49   ` Eric Sunshine
2021-05-02  6:45 ` Eric Sunshine
2021-05-02 14:10   ` Phillip Wood
2021-05-05 12:19     ` Đoàn Trần Công Danh
2021-05-05 14:57       ` Phillip Wood
2021-05-05 12:01   ` Ævar Arnfjörð Bjarmason
2021-05-09 22:34     ` Lénaïc Huard
2021-05-10 13:03       ` Ævar Arnfjörð Bjarmason
2021-05-02 11:12 ` Bagas Sanjaya
2021-05-03 12:04 ` Derrick Stolee
2021-05-09 21:32 ` [PATCH v2 0/1] " Lénaïc Huard
2021-05-09 21:32   ` [PATCH v2 1/1] " Lénaïc Huard
2021-05-10  1:20     ` Đoàn Trần Công Danh
2021-05-10  2:48       ` Eric Sunshine
2021-05-10  6:25         ` Junio C Hamano
2021-05-12  0:29           ` Đoàn Trần Công Danh
2021-05-12  6:59             ` Felipe Contreras
2021-05-12 13:26               ` Phillip Wood
2021-05-12 13:38             ` Phillip Wood
2021-05-12 15:41               ` Đoàn Trần Công Danh
2021-05-10 18:03     ` Phillip Wood
2021-05-10 18:25       ` Eric Sunshine
2021-05-10 20:09         ` Phillip Wood
2021-05-10 20:52           ` Eric Sunshine
2021-06-08 14:55       ` Lénaïc Huard
2021-05-10 19:15     ` Martin Ågren
2021-05-11 14:50     ` Phillip Wood
2021-05-11 17:31     ` Derrick Stolee
2021-05-20 22:13   ` Lénaïc Huard [this message]
2021-05-20 22:13     ` [PATCH v3 1/4] cache.h: rename "xdg_config_home" to "xdg_config_home_git" Lénaïc Huard
2021-05-20 23:44       ` Đoàn Trần Công Danh
2021-05-20 22:13     ` [PATCH v3 2/4] maintenance: introduce ENABLE/DISABLE for code clarity Lénaïc Huard
2021-05-20 22:13     ` [PATCH v3 3/4] maintenance: `git maintenance run` learned `--scheduler=<scheduler>` Lénaïc Huard
2021-05-21  9:52       ` Bagas Sanjaya
2021-05-20 22:13     ` [PATCH v3 4/4] maintenance: optionally use systemd timers on Linux Lénaïc Huard
2021-05-21  9:59       ` Bagas Sanjaya
2021-05-21 16:59         ` Derrick Stolee
2021-05-22  6:57           ` Johannes Schindelin
2021-05-23 18:36             ` Felipe Contreras
2021-05-23 23:27               ` brian m. carlson
2021-05-24  1:18                 ` Felipe Contreras
2021-05-24  7:03                 ` Ævar Arnfjörð Bjarmason
2021-05-24 15:51                   ` Junio C Hamano
2021-05-25  1:50                     ` Johannes Schindelin
2021-05-25 11:13                       ` Felipe Contreras
2021-05-26 10:29                       ` CoC, inclusivity etc. (was "Re: [...] systemd timers on Linux") Ævar Arnfjörð Bjarmason
2021-05-26 16:05                         ` Felipe Contreras
2021-05-27 14:24                         ` Jeff King
2021-05-27 17:30                           ` Felipe Contreras
2021-05-27 23:58                           ` Junio C Hamano
2021-05-28 14:44                           ` Phillip Susi
2021-05-30 21:58                             ` Jeff King
2021-05-24 17:52                   ` [PATCH v3 4/4] maintenance: optionally use systemd timers on Linux Felipe Contreras
2021-05-24  7:15     ` [PATCH v4 0/4] add support for " Lénaïc Huard
2021-05-24  7:15       ` [PATCH v4 1/4] cache.h: Introduce a generic "xdg_config_home_for(…)" function Lénaïc Huard
2021-05-24  9:33         ` Phillip Wood
2021-05-24 12:23           ` Đoàn Trần Công Danh
2021-05-24  7:15       ` [PATCH v4 2/4] maintenance: introduce ENABLE/DISABLE for code clarity Lénaïc Huard
2021-05-24  9:41         ` Phillip Wood
2021-05-24 12:36           ` Đoàn Trần Công Danh
2021-05-25  7:18             ` Lénaïc Huard
2021-05-25  8:02               ` Junio C Hamano
2021-05-24  9:47         ` Ævar Arnfjörð Bjarmason
2021-05-24  7:15       ` [PATCH v4 3/4] maintenance: `git maintenance run` learned `--scheduler=<scheduler>` Lénaïc Huard
2021-05-24 10:12         ` Phillip Wood
2021-05-30  6:39           ` Lénaïc Huard
2021-05-30 10:16             ` Phillip Wood
2021-05-24  7:15       ` [PATCH v4 4/4] maintenance: add support for systemd timers on Linux Lénaïc Huard
2021-05-24  9:55         ` Ævar Arnfjörð Bjarmason
2021-05-24 16:39           ` Eric Sunshine
2021-05-24 18:08         ` Felipe Contreras
2021-05-26 10:26         ` Phillip Wood
2021-05-24  9:04       ` [PATCH v4 0/4] " Junio C Hamano
2021-06-08 13:39       ` [PATCH v5 0/3] " Lénaïc Huard
2021-06-08 13:39         ` [PATCH v5 1/3] cache.h: Introduce a generic "xdg_config_home_for(…)" function Lénaïc Huard
2021-06-08 13:39         ` [PATCH v5 2/3] maintenance: `git maintenance run` learned `--scheduler=<scheduler>` Lénaïc Huard
2021-06-08 13:40         ` [PATCH v5 3/3] maintenance: add support for systemd timers on Linux Lénaïc Huard
2021-06-09  9:34           ` Jeff King
2021-06-09 15:01           ` Phillip Wood
2021-06-09  0:21         ` [PATCH v5 0/3] " Junio C Hamano
2021-06-09 14:54         ` Phillip Wood
2021-06-12 16:50         ` [PATCH v6 0/3] maintenance: " Lénaïc Huard
2021-06-12 16:50           ` [PATCH v6 1/3] cache.h: Introduce a generic "xdg_config_home_for(…)" function Lénaïc Huard
2021-06-12 16:50           ` [PATCH v6 2/3] maintenance: `git maintenance run` learned `--scheduler=<scheduler>` Lénaïc Huard
2021-06-14  4:36             ` Eric Sunshine
2021-06-16 18:12               ` Derrick Stolee
2021-06-17  4:11                 ` Eric Sunshine
2021-06-17 14:26               ` Phillip Wood
2021-07-02 15:04               ` Lénaïc Huard
2021-06-12 16:50           ` [PATCH v6 3/3] maintenance: add support for systemd timers on Linux Lénaïc Huard
2021-07-02 14:25           ` [PATCH v7 0/3] " Lénaïc Huard
2021-07-02 14:25             ` [PATCH v7 1/3] cache.h: Introduce a generic "xdg_config_home_for(…)" function Lénaïc Huard
2021-07-02 14:25             ` [PATCH v7 2/3] maintenance: `git maintenance run` learned `--scheduler=<scheduler>` Lénaïc Huard
2021-07-06 19:56               ` Ævar Arnfjörð Bjarmason
2021-07-06 20:52                 ` Junio C Hamano
2021-07-13  0:15                   ` Jeff King
2021-07-13  2:22                     ` Eric Sunshine
2021-07-13  3:56                       ` Jeff King
2021-07-13  5:17                         ` Eric Sunshine
2021-07-13  7:04                       ` Bagas Sanjaya
2021-07-06 21:18                 ` Felipe Contreras
2021-08-23 20:06                 ` Lénaïc Huard
2021-08-23 22:30                   ` Junio C Hamano
2021-07-02 14:25             ` [PATCH v7 3/3] maintenance: add support for systemd timers on Linux Lénaïc Huard
2021-07-06 20:03               ` Ævar Arnfjörð Bjarmason
2021-07-02 18:18             ` [PATCH v7 0/3] " Junio C Hamano
2021-07-06 13:18             ` Phillip Wood
2021-08-23 20:40             ` [PATCH v8 " Lénaïc Huard
2021-08-23 20:40               ` [PATCH v8 1/3] cache.h: Introduce a generic "xdg_config_home_for(…)" function Lénaïc Huard
2021-08-23 20:40               ` [PATCH v8 2/3] maintenance: `git maintenance run` learned `--scheduler=<scheduler>` Lénaïc Huard
2021-08-24 17:45                 ` Derrick Stolee
2021-08-23 20:40               ` [PATCH v8 3/3] maintenance: add support for systemd timers on Linux Lénaïc Huard
2021-08-24 17:45                 ` Derrick Stolee
2021-08-24 17:47               ` [PATCH v8 0/3] " Derrick Stolee
2021-08-27 21:02               ` [PATCH v9 " Lénaïc Huard
2021-08-27 21:02                 ` [PATCH v9 1/3] cache.h: Introduce a generic "xdg_config_home_for(…)" function Lénaïc Huard
2021-08-27 21:02                 ` [PATCH v9 2/3] maintenance: `git maintenance run` learned `--scheduler=<scheduler>` Lénaïc Huard
2021-08-27 23:54                   ` Ramsay Jones
2021-08-27 21:02                 ` [PATCH v9 3/3] maintenance: add support for systemd timers on Linux Lénaïc Huard
2021-09-04 20:54                 ` [PATCH v10 0/3] " Lénaïc Huard
2021-09-04 20:54                   ` [PATCH v10 1/3] cache.h: Introduce a generic "xdg_config_home_for(…)" function Lénaïc Huard
2021-09-04 20:54                   ` [PATCH v10 2/3] maintenance: `git maintenance run` learned `--scheduler=<scheduler>` Lénaïc Huard
2021-09-04 20:55                   ` [PATCH v10 3/3] maintenance: add support for systemd timers on Linux Lénaïc Huard
2021-09-07 16:48                   ` [PATCH v10 0/3] " Derrick Stolee
2021-09-08 11:44                     ` Derrick Stolee
2021-09-09  5:52                       ` Lénaïc Huard
2021-09-09 19:55                         ` Derrick Stolee
2021-09-27 12:50                           ` Ævar Arnfjörð Bjarmason
2021-09-27 21:44                             ` Lénaïc Huard
2021-08-17 17:22         ` [PATCH v5 0/3] " Derrick Stolee
2021-08-17 19:43           ` Phillip Wood
2021-08-17 20:29             ` Derrick Stolee
2021-08-18  5:56           ` Lénaïc Huard
2021-08-18 13:28             ` Derrick Stolee
2021-08-18 18:23               ` Junio C Hamano

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