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check_connected: relay errors to alternate descriptor

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Unless the "quiet" flag is given, check_connected sends any
errors to the stderr of the caller (because the child
rev-list inherits that descriptor). However, server-side
callers may want to send these over a sideband channel
instead.  Let's make that possible.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King
2016-07-15 06:32:03 -04:00
committed by Junio C Hamano
parent 7043c7071c
commit e0331849a0
2 changed files with 16 additions and 2 deletions
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11
connected.c
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@@ -31,8 +31,11 @@ int check_connected(sha1_iterate_fn fn, void *cb_data,
opt = &defaults;
transport = opt->transport;
if (fn(cb_data, sha1))
if (fn(cb_data, sha1)) {
if (opt->err_fd)
close(opt->err_fd);
return err;
}
if (transport && transport->smart_options &&
transport->smart_options->self_contained_and_connected &&
@@ -59,7 +62,11 @@ int check_connected(sha1_iterate_fn fn, void *cb_data,
rev_list.git_cmd = 1;
rev_list.in = -1;
rev_list.no_stdout = 1;
rev_list.no_stderr = opt->quiet;
if (opt->err_fd)
rev_list.err = opt->err_fd;
else
rev_list.no_stderr = opt->quiet;
if (start_command(&rev_list))
return error(_("Could not run 'git rev-list'"));