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

[Benjamin Esquivel]

Hi Leo, this fix looks good to me, can you mention how did you test
this?

On Mon, 2015-08-03 at 15:01 +0000,
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//")
>  
> -- 
> 1.8.4.5
>