From: Eric Sunshine <sunshine@sunshineco.com>
To: Derrick Stolee <stolee@gmail.com>
Cc: Derrick Stolee via GitGitGadget <gitgitgadget@gmail.com>,
Git List <git@vger.kernel.org>,
Derrick Stolee <derrickstolee@github.com>,
Derrick Stolee <dstolee@microsoft.com>
Subject: Re: [PATCH v3 3/4] maintenance: use launchctl on macOS
Date: Fri, 13 Nov 2020 15:53:57 -0500 [thread overview]
Message-ID: <CAPig+cTRJb-fn2R6rJO1hkeCc_ehVhkNufO4=LhtPQudVeonnA@mail.gmail.com> (raw)
In-Reply-To: <d9c51446-c223-dce9-692a-959f841d506f@gmail.com>
On Fri, Nov 13, 2020 at 3:42 PM Derrick Stolee <stolee@gmail.com> wrote:
> On 11/13/2020 3:19 PM, Eric Sunshine wrote:
> > if (pipe_command(child, NULL, 0, &out, 0, &err, 0) {
> > if (out.len && err.len)
> > strbuf_addstr(&out, "; ");
> > strbuf_addbuf(&out, &err);
> > die(_("launchctl failed: %s"), out.buf);
> > }
>
> We would also want to pass a "die_on_failure" into the method, since
> in the 'git maintenance start' case we don't want to report a failure
> when 'launchctl bootout' fails before we call 'launchctl bootstrap'.
Right. I started writing that we'd also need a `die_one_failure` flag
but deleted the comment since I decided to wait until I got an
answer...
> > By the way, won't this die() be a problem when schedule_plist() calls
> > boot_plist() to remove the old scheduled tasks before calling it again
> > to register the new ones? If the old ones don't exist, then it will
> > die() unnecessarily and never register the new ones. Or am I
> > misunderstanding? (I'm guessing that I must be misunderstanding since
> > the test script presumably passes.)
>
> This die() is only if the process cannot _start_, for example due to
> launchctl not existing on $PATH. The result from finish_command()
> would be non-zero when we bootout a plist that doesn't exist.
... to this question.
Another thought I had was simply checking for the presence of the file
and skipping `bootout` altogether if it doesn't exist. That would, I
think, obviate the need for mucking with stdout/stderr oppression.
> > write_script() takes the script body as stdin, not as an argument, and
> > you don't need to specify /bin/sh. What you have here works by
> > accident only because write_script() takes an optional second argument
> > specifying the shell to use in place of the default /bin/sh.
> > Nevertheless, it should really be written:
> >
> > write_script print-args <<-\EOF
> > echo $*
> > EOF
> >
> > Patch [4/4] uses write_script() correctly.
>
> Ah. Sorry for misunderstanding. That explains why it works this way
> on macOS but it did _not_ work that way on Windows.
Sorry on my part too. I missed the `args` redirect in my example. It should be:
write_script print-args <<-\EOF
echo $* >args
EOF
next prev parent reply other threads:[~2020-11-13 20:54 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-03 14:03 [PATCH 0/3] Maintenance IV: Platform-specific background maintenance Derrick Stolee via GitGitGadget
2020-11-03 14:03 ` [PATCH 1/3] maintenance: extract platform-specific scheduling Derrick Stolee via GitGitGadget
2020-11-03 14:03 ` [PATCH 2/3] maintenance: use launchctl on macOS Derrick Stolee via GitGitGadget
2020-11-03 18:45 ` Eric Sunshine
2020-11-03 21:21 ` Derrick Stolee
2020-11-03 22:27 ` Eric Sunshine
2020-11-04 13:33 ` Derrick Stolee
2020-11-04 14:17 ` Derrick Stolee
2020-11-03 14:03 ` [PATCH 3/3] maintenance: use Windows scheduled tasks Derrick Stolee via GitGitGadget
2020-11-03 19:06 ` Eric Sunshine
2020-11-03 21:23 ` Derrick Stolee
2020-11-03 20:18 ` [PATCH 0/3] Maintenance IV: Platform-specific background maintenance Junio C Hamano
2020-11-03 20:21 ` Junio C Hamano
2020-11-03 21:09 ` Derrick Stolee
2020-11-03 22:30 ` Junio C Hamano
2020-11-04 13:02 ` Derrick Stolee
2020-11-04 17:00 ` Junio C Hamano
2020-11-04 18:43 ` Derrick Stolee
2020-11-04 20:06 ` [PATCH v2 0/4] " Derrick Stolee via GitGitGadget
2020-11-04 20:06 ` [PATCH v2 1/4] maintenance: extract platform-specific scheduling Derrick Stolee via GitGitGadget
2020-11-04 20:06 ` [PATCH v2 2/4] maintenance: include 'cron' details in docs Derrick Stolee via GitGitGadget
2020-11-11 7:10 ` Eric Sunshine
2020-11-04 20:06 ` [PATCH v2 3/4] maintenance: use launchctl on macOS Derrick Stolee via GitGitGadget
2020-11-11 8:12 ` Eric Sunshine
2020-11-12 13:42 ` Derrick Stolee
2020-11-12 16:43 ` Eric Sunshine
2020-11-04 20:06 ` [PATCH v2 4/4] maintenance: use Windows scheduled tasks Derrick Stolee via GitGitGadget
2020-11-11 8:59 ` Eric Sunshine
2020-11-12 13:56 ` Derrick Stolee
2020-11-13 14:00 ` [PATCH v3 0/4] Maintenance IV: Platform-specific background maintenance Derrick Stolee via GitGitGadget
2020-11-13 14:00 ` [PATCH v3 1/4] maintenance: extract platform-specific scheduling Derrick Stolee via GitGitGadget
2020-11-13 14:00 ` [PATCH v3 2/4] maintenance: include 'cron' details in docs Derrick Stolee via GitGitGadget
2020-11-13 14:00 ` [PATCH v3 3/4] maintenance: use launchctl on macOS Derrick Stolee via GitGitGadget
2020-11-13 20:19 ` Eric Sunshine
2020-11-13 20:42 ` Derrick Stolee
2020-11-13 20:53 ` Eric Sunshine [this message]
2020-11-13 20:56 ` Eric Sunshine
2020-11-13 14:00 ` [PATCH v3 4/4] maintenance: use Windows scheduled tasks Derrick Stolee via GitGitGadget
2020-11-13 20:44 ` Eric Sunshine
2020-11-13 21:32 ` Derrick Stolee
2020-11-13 21:40 ` Eric Sunshine
2020-11-16 13:13 ` Derrick Stolee
2020-11-13 20:47 ` [PATCH v3 0/4] Maintenance IV: Platform-specific background maintenance Eric Sunshine
2020-11-14 9:23 ` Eric Sunshine
2020-11-16 13:17 ` Derrick Stolee
2020-11-17 21:13 ` [PATCH v4 " Derrick Stolee via GitGitGadget
2020-11-17 21:13 ` [PATCH v4 1/4] maintenance: extract platform-specific scheduling Derrick Stolee via GitGitGadget
2020-11-17 21:13 ` [PATCH v4 2/4] maintenance: include 'cron' details in docs Derrick Stolee via GitGitGadget
2020-11-18 0:34 ` Eric Sunshine
2020-11-18 18:30 ` Derrick Stolee
2020-11-17 21:13 ` [PATCH v4 3/4] maintenance: use launchctl on macOS Derrick Stolee via GitGitGadget
2020-11-18 6:45 ` Eric Sunshine
2020-11-18 18:22 ` Derrick Stolee
2020-11-17 21:13 ` [PATCH v4 4/4] maintenance: use Windows scheduled tasks Derrick Stolee via GitGitGadget
2020-11-18 7:15 ` Eric Sunshine
2020-11-18 18:30 ` Derrick Stolee
2020-11-18 20:54 ` Eric Sunshine
2020-11-18 21:16 ` Derrick Stolee
2020-11-17 23:36 ` [PATCH v4 0/4] Maintenance IV: Platform-specific background maintenance Eric Sunshine
2020-11-24 2:20 ` Derrick Stolee
2020-11-24 2:59 ` Eric Sunshine
2020-11-17 23:54 ` Eric Sunshine
2020-11-24 4:16 ` [PATCH v5 " Derrick Stolee via GitGitGadget
2020-11-24 4:16 ` [PATCH v5 1/4] maintenance: extract platform-specific scheduling Derrick Stolee via GitGitGadget
2020-11-24 4:16 ` [PATCH v5 2/4] maintenance: include 'cron' details in docs Derrick Stolee via GitGitGadget
2020-11-24 4:16 ` [PATCH v5 3/4] maintenance: use launchctl on macOS Derrick Stolee via GitGitGadget
2020-11-24 4:16 ` [PATCH v5 4/4] maintenance: use Windows scheduled tasks Derrick Stolee via GitGitGadget
2020-11-27 9:08 ` Eric Sunshine
2020-12-09 19:28 ` [PATCH v6 0/4] Maintenance IV: Platform-specific background maintenance Derrick Stolee via GitGitGadget
2020-12-09 19:28 ` [PATCH v6 1/4] maintenance: extract platform-specific scheduling Derrick Stolee via GitGitGadget
2020-12-09 19:29 ` [PATCH v6 2/4] maintenance: include 'cron' details in docs Derrick Stolee via GitGitGadget
2020-12-09 19:29 ` [PATCH v6 3/4] maintenance: use launchctl on macOS Derrick Stolee via GitGitGadget
2020-12-09 19:29 ` [PATCH v6 4/4] maintenance: use Windows scheduled tasks Derrick Stolee via GitGitGadget
2020-12-10 0:32 ` [PATCH v6 0/4] Maintenance IV: Platform-specific background maintenance Junio C Hamano
2020-12-10 0:49 ` Eric Sunshine
2020-12-10 1:04 ` Junio C Hamano
2021-01-05 12:17 ` Derrick Stolee
2021-01-05 13:08 ` [PATCH v7 " Derrick Stolee via GitGitGadget
2021-01-05 13:08 ` [PATCH v7 1/4] maintenance: extract platform-specific scheduling Derrick Stolee via GitGitGadget
2021-01-05 13:08 ` [PATCH v7 2/4] maintenance: include 'cron' details in docs Derrick Stolee via GitGitGadget
2021-01-05 13:08 ` [PATCH v7 3/4] maintenance: use launchctl on macOS Derrick Stolee via GitGitGadget
2021-01-10 6:34 ` Eric Sunshine
2021-01-05 13:08 ` [PATCH v7 4/4] maintenance: use Windows scheduled tasks Derrick Stolee via GitGitGadget
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