[PATCH] run_command(): respect GIT_TRACE

When GIT_TRACE is set, the user is most likely wanting to see an external
command that is about to be executed.

Signed-off-by: Johannes Schindelin <redacted>
---
 run-command.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/run-command.c b/run-command.c
index 2ce8c2b..6e29fdf 100644
--- a/run-command.c
+++ b/run-command.c

@@ -65,6 +65,8 @@ int start_command(struct child_process *cmd)
 		cmd->err = fderr[0];
 	}
 
+	trace_argv_printf(cmd->argv, "trace: run_command:");
+
 #ifndef __MINGW32__
 	cmd->pid = fork();
 	if (!cmd->pid) {

-- 
1.5.6.2.402.g95b5ab.dirty