[OE-core] [PATCH] init-install-efi.sh: Avoid /mnt/mtab creation if already present

[Leonardo Sandoval]

ping..

This patch has not been merged and I believe the reason is that I did 
not label it as V2 (my fault). Instead, V1 [1] was merged (which is 
fine, it gives some message to the user).

[1] 
http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=445c49ce5007eb0c0aa14680c41b79e7764d8882

On 08/03/2015 10:01 AM, leonardo.sandoval.gonzalez at linux.intel.com wrote:
> From: Leonardo Sandoval <leonardo.sandoval.gonzalez at linux.intel.com>
>
> The base-files recipe installs /mnt/mtab (it is a softlink of /proc/mounts),
> so if an image includes the latter, there is no new to created it again inside
> the install-efi.sh script, otherwise an error may occur as indicated on the
> bug's site.
>
> [YOCTO #7971]
>
> Signed-off-by: Leonardo Sandoval <leonardo.sandoval.gonzalez at linux.intel.com>
> ---
>   meta/recipes-core/initrdscripts/files/init-install-efi.sh | 6 +++++-
>   1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/meta/recipes-core/initrdscripts/files/init-install-efi.sh b/meta/recipes-core/initrdscripts/files/init-install-efi.sh
> index f339b30..665d04a 100644
> --- a/meta/recipes-core/initrdscripts/files/init-install-efi.sh
> +++ b/meta/recipes-core/initrdscripts/files/init-install-efi.sh
> @@ -109,7 +109,11 @@ rm -f /etc/udev/scripts/mount*
>   umount ${device}* 2> /dev/null || /bin/true
>
>   mkdir -p /tmp
> -cat /proc/mounts > /etc/mtab
> +
> +# Create /etc/mtab if not present
> +if [ ! -e /etc/mtab ]; then
> +    cat /proc/mounts > /etc/mtab
> +fi
>
>   disk_size=$(parted ${device} unit mb print | grep Disk | cut -d" " -f 3 | sed -e "s/MB//")
>
>