line-log: detect unsupported formats

diff --git a/run-command.c b/run-command.c
index c11ff8067481f70c444198bcc7477ef744d99fd3..3db26b7b0e2ab9b6b615387b36a2cd6b64800e9e 100644 (file)
--- a/run-command.c
+++ b/run-command.c
@@ -728,6 +728,8 @@ int start_command(struct child_process *cmd)
        if (prepare_cmd(&argv, cmd) < 0) {
                failed_errno = errno;
                cmd->pid = -1;
+               if (!cmd->silent_exec_failure)
+                       error_errno("cannot run %s", cmd->argv[0]);
                goto end_of_spawn;
        }