[PATCH 1/3] send-pack: show progress when isatty(2)

[Jeff King <peff@peff.net>]

The send_pack_args struct has two verbosity flags: "quiet"
and "progress". Originally, if "quiet" was set, we would
tell pack-objects explicitly to be quiet, and if "progress"
was set, we would tell it to show progress. Otherwise, we
told it neither, and it relied on isatty(2) to make the
decision itself.

However, commit 01fdc21 changed the meaning of these
variables. Now both "quiet" and "!progress" instruct us to
tell pack-objects to be quiet (and a non-zero "progress"
means the same as before). This works well for transports
which call send_pack directly, as the transport code copies
transport->progress into send_pack_args->progress, and they
both have the same meaning.

However, the code path of calling "git send-pack" was left
behind. It always sets "progress" to 0, and thus always
tells pack-objects to be quiet.  We can work around this by
checking isatty(2) ourselves in the cmd_send_pack code path,
restoring the original behavior of the send-pack command.

Signed-off-by: Jeff King <peff@peff.net>
---
 builtin/send-pack.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/builtin/send-pack.c b/builtin/send-pack.c
index 9df341c..7d22715 100644
--- a/builtin/send-pack.c
+++ b/builtin/send-pack.c
@@ -492,6 +492,9 @@ int cmd_send_pack(int argc, const char **argv, const char *prefix)
 		}
 	}
 
+	if (!args.quiet)
+		args.progress = isatty(2);
+
 	if (args.stateless_rpc) {
 		conn = NULL;
 		fd[0] = 0;
-- 
1.7.10.630.g31718

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