From: Max Gautier <mg@max.gautier.name>
To: Patrick Steinhardt <ps@pks.im>
Cc: git@vger.kernel.org, "Lénaïc Huard" <lenaic@lhuard.fr>,
"Derrick Stolee" <stolee@gmail.com>
Subject: Re: [RFC PATCH 1/5] maintenance: package systemd units
Date: Thu, 21 Mar 2024 15:49:09 +0100 [thread overview]
Message-ID: <ZfxI5et2h6Bx1bym@framework> (raw)
In-Reply-To: <ZfxHtetjUIUByqeF@tanuki>
On Thu, Mar 21, 2024 at 03:44:05PM +0100, Patrick Steinhardt wrote:
> On Thu, Mar 21, 2024 at 02:38:36PM +0100, Max Gautier wrote:
> > On Thu, Mar 21, 2024 at 01:37:30PM +0100, Patrick Steinhardt wrote:
> > > On Mon, Mar 18, 2024 at 04:31:15PM +0100, Max Gautier wrote:
> > >
> > > It would be great to document _why_ we want to package the systemd units
> > > alongside with Git.
> > >
> > > > Signed-off-by: Max Gautier <mg@max.gautier.name>
> > > > ---
> > > > Makefile | 4 ++++
> > > > systemd/user/git-maintenance@.service | 16 ++++++++++++++++
> > > > systemd/user/git-maintenance@.timer | 9 +++++++++
> > > > 3 files changed, 29 insertions(+)
> > > > create mode 100644 systemd/user/git-maintenance@.service
> > > > create mode 100644 systemd/user/git-maintenance@.timer
> > > >
> > > > diff --git a/Makefile b/Makefile
> > > > index 4e255c81f2..276b4373c6 100644
> > > > --- a/Makefile
> > > > +++ b/Makefile
> > > > @@ -619,6 +619,7 @@ htmldir = $(prefix)/share/doc/git-doc
> > > > ETC_GITCONFIG = $(sysconfdir)/gitconfig
> > > > ETC_GITATTRIBUTES = $(sysconfdir)/gitattributes
> > > > lib = lib
> > > > +libdir = $(prefix)/lib
> > > > # DESTDIR =
> > > > pathsep = :
> > > >
> > > > @@ -1328,6 +1329,8 @@ BUILTIN_OBJS += builtin/verify-tag.o
> > > > BUILTIN_OBJS += builtin/worktree.o
> > > > BUILTIN_OBJS += builtin/write-tree.o
> > > >
> > > > +SYSTEMD_USER_UNITS := $(wildcard systemd/user/*)
> > > > +
> > > > # THIRD_PARTY_SOURCES is a list of patterns compatible with the
> > > > # $(filter) and $(filter-out) family of functions. They specify source
> > > > # files which are taken from some third-party source where we want to be
> > > > @@ -3469,6 +3472,7 @@ install: all
> > > > $(INSTALL) -m 644 $(SCRIPT_LIB) '$(DESTDIR_SQ)$(gitexec_instdir_SQ)'
> > > > $(INSTALL) $(INSTALL_STRIP) $(install_bindir_xprograms) '$(DESTDIR_SQ)$(bindir_SQ)'
> > > > $(INSTALL) $(BINDIR_PROGRAMS_NO_X) '$(DESTDIR_SQ)$(bindir_SQ)'
> > > > + $(INSTALL) -Dm 644 -t '$(DESTDIR_SQ)$(libdir)/systemd/user' $(SYSTEMD_USER_UNITS)
> > >
> > > I wonder whether we want to unconditionally install those units. Many of
> > > the platforms that we support don't even have systemd available, so
> > > certainly it wouldn't make any sense to install it on those platforms.
> > >
> > > Assuming that this is something we want in the first place I thus think
> > > that we should at least make this conditional and add some platform
> > > specific quirk to "config.mak.uname".
> > >
> >
> > We probably want that (conditional install) but I'm not sure where that
> > should go ; I'm not super familiar with autoconf.
> >
> > I just noticed than man 7 daemon (shipped by systemd) propose the
> > following snippet for installing systemd system services (should be easy
> > enough to adapt for user ervices, I think):
> >
> > PKG_PROG_PKG_CONFIG()
> > AC_ARG_WITH([systemdsystemunitdir],
> > [AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files])],,
> > [with_systemdsystemunitdir=auto])
> > AS_IF([test "x$with_systemdsystemunitdir" = "xyes" -o "x$with_systemdsystemunitdir" = "xauto"], [
> > def_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)
> >
> > AS_IF([test "x$def_systemdsystemunitdir" = "x"],
> > [AS_IF([test "x$with_systemdsystemunitdir" = "xyes"],
> > [AC_MSG_ERROR([systemd support requested but pkg-config unable to query systemd package])])
> > with_systemdsystemunitdir=no],
> > [with_systemdsystemunitdir="$def_systemdsystemunitdir"])])
> > AS_IF([test "x$with_systemdsystemunitdir" != "xno"],
> > [AC_SUBST([systemdsystemunitdir], [$with_systemdsystemunitdir])])
> > AM_CONDITIONAL([HAVE_SYSTEMD], [test "x$with_systemdsystemunitdir" != "xno"])
> >
> > Would something like that work ?
>
> Probably. But while we do have autoconf wired up, the primary way of
> building Git does not use it, but rather uses `config.mak.uname`. I'd
> recommend to have a look at it to figure out how we handle other
> build-time options there.
>
> Patrick
I'll take a look, thanks.
--
Max Gautier
next prev parent reply other threads:[~2024-03-21 14:49 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-18 15:31 [RFC PATCH 0/5] maintenance: use packaged systemd units Max Gautier
2024-03-18 15:31 ` [RFC PATCH 1/5] maintenance: package " Max Gautier
2024-03-21 12:37 ` Patrick Steinhardt
2024-03-21 13:07 ` Max Gautier
2024-03-21 13:22 ` Patrick Steinhardt
2024-03-21 13:38 ` Max Gautier
2024-03-21 14:44 ` Patrick Steinhardt
2024-03-21 14:49 ` Max Gautier [this message]
2024-03-21 14:48 ` Max Gautier
2024-03-18 15:31 ` [RFC PATCH 2/5] maintenance: add fixed random delay to systemd timers Max Gautier
2024-03-21 12:37 ` Patrick Steinhardt
2024-03-21 13:13 ` Max Gautier
2024-03-18 15:31 ` [RFC PATCH 3/5] maintenance: use packaged systemd units Max Gautier
2024-03-19 12:09 ` Max Gautier
2024-03-19 17:17 ` Eric Sunshine
2024-03-19 18:19 ` Junio C Hamano
2024-03-19 19:38 ` Max Gautier
2024-03-21 12:37 ` Patrick Steinhardt
2024-03-21 13:19 ` Max Gautier
2024-03-18 15:31 ` [RFC PATCH 4/5] maintenance: update systemd scheduler docs Max Gautier
2024-03-21 12:37 ` Patrick Steinhardt
2024-03-18 15:31 ` [RFC PATCH 5/5] DON'T APPLY YET: maintenance: remove cleanup code Max Gautier
2024-03-22 22:11 ` [PATCH v2 0/6] maintenance: use packaged systemd units Max Gautier
2024-03-22 22:11 ` [PATCH v2 1/6] maintenance: use systemd timers builtin randomization Max Gautier
2024-03-22 22:11 ` [PATCH v2 2/6] maintenance: use packaged systemd units Max Gautier
2024-03-23 8:38 ` Eric Sunshine
2024-03-23 9:52 ` Max Gautier
2024-03-22 22:11 ` [PATCH v2 3/6] maintenance: simplify systemctl calls Max Gautier
2024-03-22 23:09 ` Eric Sunshine
2024-03-23 10:25 ` Max Gautier
2024-03-22 22:11 ` [PATCH v2 4/6] maintenance: cleanup $XDG_CONFIG_HOME/systemd/user Max Gautier
2024-03-22 22:38 ` Kristoffer Haugsbakk
2024-03-22 22:43 ` Junio C Hamano
2024-03-23 11:07 ` Max Gautier
2024-03-24 15:45 ` Phillip Wood
2024-03-25 8:36 ` Max Gautier
2024-03-25 16:39 ` Phillip Wood
2024-03-27 16:20 ` Max Gautier
2024-03-22 22:11 ` [PATCH v2 5/6] maintenance: update systemd scheduler docs Max Gautier
2024-03-22 22:11 ` [PATCH v2 6/6] maintenance: update tests for systemd scheduler Max Gautier
2024-03-22 23:02 ` Eric Sunshine
2024-03-23 10:28 ` Max Gautier
2024-03-24 14:54 ` [PATCH v2 0/6] maintenance: use packaged systemd units Phillip Wood
2024-03-24 17:03 ` Eric Sunshine
2024-03-25 10:08 ` phillip.wood123
2024-03-25 8:32 ` Max Gautier
2024-03-25 10:06 ` phillip.wood123
2024-03-25 12:27 ` Max Gautier
2024-03-25 16:39 ` Phillip Wood
2024-03-25 13:45 ` Max Gautier
2024-03-25 16:39 ` Phillip Wood
2024-03-27 16:21 ` Max Gautier
-- strict thread matches above, loose matches on Subject: below --
2024-03-18 15:07 Max Gautier
2024-03-18 15:07 ` [RFC PATCH 1/5] maintenance: package systemd units Max Gautier
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