On Tue, 2016-01-05 at 21:20 +0000, Warner Losh wrote:
> Author: imp
> Date: Tue Jan  5 21:20:47 2016
> New Revision: 293227
> URL: https://svnweb.freebsd.org/changeset/base/293227
> 
> Log:
>   Use the more proper -f. Leave /bin/rm in place since that's what
>   other rc scripts have, though it isn't strictly necessary.
> 
> Modified:
>   head/etc/rc
> 
> Modified: head/etc/rc
> =====================================================================
> =========
> --- head/etc/rc       Tue Jan  5 21:20:46 2016        (r293226)
> +++ head/etc/rc       Tue Jan  5 21:20:47 2016        (r293227)
> @@ -132,9 +132,9 @@ done
>  # Remove the firstboot sentinel, and reboot if it was requested.
>  if [ -e ${firstboot_sentinel} ]; then
>       [ ${root_rw_mount} = "yes" ] || mount -uw /
> -     /bin/rm ${firstboot_sentinel}
> +     /bin/rm -f ${firstboot_sentinel}
>       if [ -e ${firstboot_sentinel}-reboot ]; then
> -             /bin/rm ${firstboot_sentinel}-reboot
> +             /bin/rm -f ${firstboot_sentinel}-reboot
>               [ ${root_rw_mount} = "yes" ] || mount -ur /
>               kill -INT 1
>       fi
> 

Using rm -f to suppress an error message seems like a bad idea here --
if the sentinel file can't be removed that implies it's going to do
firstboot behavior every time it boots, and that's the sort of error
that should be in-your-face.  Especially on the reboot one because
you're going to be stuck in a reboot loop with no error message.

-- Ian

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