From 3408ba015aee3a88c91962c028738be757779519 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Mon, 7 Jul 2014 11:47:46 +0200 Subject: [PATCH] main: explain our /etc empty check a bit in a comment --- src/core/main.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/src/core/main.c b/src/core/main.c index 1ca899998..a732c6945 100644 --- a/src/core/main.c +++ b/src/core/main.c @@ -1543,6 +1543,14 @@ int main(int argc, char *argv[]) { if (in_initrd()) log_info("Running in initial RAM disk."); + /* Let's check whether /etc is already populated. We + * don't actually really check for that, but use + * /etc/machine-id as flag file. This allows container + * managers and installers to provision a couple of + * files already. If the container manager wants to + * provision the machine ID itself it should pass + * $container_uuid to PID 1.*/ + empty_etc = access("/etc/machine-id", F_OK) < 0; if (empty_etc) log_info("Running with unpopulated /etc."); -- 2.30.2