Andreas Krey <a.k...@gmx.de> writes:

> Some people run inetds that collect stderr of the spawned programs.
> Give them 'git-daemon --inetd --no-syslog' to keep error output
> on stderr.
>
> Signed-off-by: Andreas Krey <a.k...@gmx.de>
> ---

Are there examples of other daemon programs outside Git that have
this particular support to help such inetd implementations?

I would like to know how widely this kind of workaround is done, and
also what they call the option, as a quick sanity check.

Thanks.

>  Documentation/git-daemon.txt |  4 ++++
>  daemon.c                     | 14 +++++++++++---
>  2 files changed, 15 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/git-daemon.txt b/Documentation/git-daemon.txt
> index 223f731..007d3fc 100644
> --- a/Documentation/git-daemon.txt
> +++ b/Documentation/git-daemon.txt
> @@ -113,6 +113,10 @@ OPTIONS
>       Log to syslog instead of stderr. Note that this option does not imply
>       --verbose, thus by default only error conditions will be logged.
>  
> +--no-syslog::
> +     Disable the implicit --syslog of --inetd and --deatch, thus keeping
> +     error output on stderr.
> +
>  --user-path::
>  --user-path=<path>::
>       Allow {tilde}user notation to be used in requests.  When
> diff --git a/daemon.c b/daemon.c
> index 6aeddcb..2f5d5bf 100644
> --- a/daemon.c
> +++ b/daemon.c
> @@ -1196,7 +1196,6 @@ int main(int argc, char **argv)
>               }
>               if (!strcmp(arg, "--inetd")) {
>                       inetd_mode = 1;
> -                     log_syslog = 1;
>                       continue;
>               }
>               if (!strcmp(arg, "--verbose")) {
> @@ -1207,6 +1206,10 @@ int main(int argc, char **argv)
>                       log_syslog = 1;
>                       continue;
>               }
> +             if (!strcmp(arg, "--no-syslog")) {
> +                     log_syslog = -1;
> +                     continue;
> +             }
>               if (!strcmp(arg, "--export-all")) {
>                       export_all_trees = 1;
>                       continue;
> @@ -1263,7 +1266,6 @@ int main(int argc, char **argv)
>               }
>               if (!strcmp(arg, "--detach")) {
>                       detach = 1;
> -                     log_syslog = 1;
>                       continue;
>               }
>               if (!prefixcmp(arg, "--user=")) {
> @@ -1309,6 +1311,12 @@ int main(int argc, char **argv)
>               usage(daemon_usage);
>       }
>  
> +     if ((inetd_mode || detach) && log_syslog == 0)
> +             log_syslog = 1;
> +
> +     if (log_syslog == -1)
> +             log_syslog = 0;
> +
>       if (log_syslog) {
>               openlog("git-daemon", LOG_PID, LOG_DAEMON);
>               set_die_routine(daemon_die);
> @@ -1337,7 +1345,7 @@ int main(int argc, char **argv)
>               die("base-path '%s' does not exist or is not a directory",
>                   base_path);
>  
> -     if (inetd_mode) {
> +     if (inetd_mode && log_syslog) {
>               if (!freopen("/dev/null", "w", stderr))
>                       die_errno("failed to redirect stderr to /dev/null");
>       }
--
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