help: check early if we have a command, if not try a documentation topic

diff --git a/exec_cmd.c b/exec_cmd.c
index 2d0a75851284392aa8ae44bc486df6a034d0af13..e189caca629262334541ea8313d2931b06e67adf 100644 (file)
--- a/exec_cmd.c
+++ b/exec_cmd.c
@@ -80,7 +80,7 @@ int execv_git_cmd(const char **argv)
        tmp = argv[0];
        argv[0] = cmd.buf;
 
-       trace_argv_printf(argv, -1, "trace: exec:");
+       trace_argv_printf(argv, "trace: exec:");
 
        /* execvp() can only ever return if it fails */
        execvp(cmd.buf, (char **)argv);