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 <p...@peff.net>
---
connected.c | 11 +++++++++--
connected.h | 7 +++++++
2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/connected.c b/connected.c
index 2a51eac..5f5c8bd 100644
--- a/connected.c
+++ b/connected.c
@@ -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'"));
diff --git a/connected.h b/connected.h
index 12594ef..5d88e26 100644
--- a/connected.h
+++ b/connected.h
@@ -23,6 +23,13 @@ struct check_connected_options {
/* Transport whose objects we are checking, if available. */
struct transport *transport;
+
+ /*
+ * If non-zero, send error messages to this descriptor rather
+ * than stderr. The descriptor is closed before check_connected
+ * returns.
+ */
+ int err_fd;
};
#define CHECK_CONNECTED_INIT { 0 }
--
2.9.1.434.g748be50
--
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