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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 11/11] defaultenv-2: add symbolic link support to boot/nfs
Date: Sat, 8 Sep 2012 15:49:37 +0200	[thread overview]
Message-ID: <20120908134937.GC18243@pengutronix.de> (raw)
In-Reply-To: <1347020017-12110-11-git-send-email-plagnioj@jcrosoft.com>

On Fri, Sep 07, 2012 at 02:13:37PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> If the symlink is not find on barebox try on the host.
> So we are back compatible with nfs command.
> 
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
> ---
>  defaultenv-2/base/boot/nfs |   64 +++++++++++++++++++++++++++++++++++++++++---
>  1 file changed, 61 insertions(+), 3 deletions(-)
> 
> diff --git a/defaultenv-2/base/boot/nfs b/defaultenv-2/base/boot/nfs
> index 892f103..bf27d38 100644
> --- a/defaultenv-2/base/boot/nfs
> +++ b/defaultenv-2/base/boot/nfs
> @@ -5,6 +5,8 @@ if [ "$1" = menu ]; then
>  	exit
>  fi
>  
> +. /env/data/ansi-colors
> +
>  path="/mnt/tftp"
>  
>  # to get the dhcp info (global.dhcp.rootpath, global.dhcp.bootfile, global.dhcp.oftree_file)
> @@ -44,6 +46,24 @@ if [ -n "${global.dhcp.bootfile}" ]; then
>  	mount -t nfs "${eth0.serverip}:${mnt}" "${path}"
>  
>  	global.bootm.image="${path}/${bootfile}"
> +
> +	if [ -L "${global.bootm.image}" ]; then
> +		readlink -f "${global.bootm.image}" bootfile_symlink
> +
> +		# if the file is not on barebox fs assume it's on the host
> +		if [ ! -e "${bootfile_symlink}" ]; then
> +			dirname "${bootfile_symlink}" mnt
> +			basename "${bootfile_symlink}" bootfile
> +
> +			umount "${path}"
> +			mount -t nfs "${eth0.serverip}:${mnt}" "${path}"
> +
> +			bootfile_symlink="${path}/${bootfile_symlink}"
> +			global.bootm.image="${path}/${bootfile}"
> +		else
> +			global.bootm.image="${bootfile_symlink}"
> +		fi

symbolic links either point to the target or not, but doing magic on
them to try to interpret where they *could* point to is no option.

Sascha

-- 
Pengutronix e.K.                           |                             |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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  reply	other threads:[~2012-09-08 13:49 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-07 12:07 [PATCH 00/11 v2] defaultenv-2: add bootp support Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13 ` [PATCH 01/11] defaultenv: enable glovalvar support Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 02/11] defaultenv: switch hostname to global.hostname Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 03/11] dhcp: switch to global var support Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 04/11] dhcp: add copy_only_if_valid support Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 05/11] dhcp: add retries limit support Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 06/11] defaultenv-2: eth0 add default global.dhcp.vendor_id Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 07/11] defaultenv-2/ip: add dhcp-barebox support Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 14:04     ` Sascha Hauer
2012-09-08 14:23       ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 08/11] defaultenv-2: add ifdown support Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 09/11] defaultenv-2: boot/net add bootp support Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 18:21     ` Sascha Hauer
2012-09-08  5:40       ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08  6:17         ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 13:47           ` Sascha Hauer
2012-09-08 14:42             ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 14:48               ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 15:10               ` Sascha Hauer
2012-09-08 17:13                 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 14:51             ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 15:27               ` Sascha Hauer
2012-09-08 17:12                 ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 17:22                   ` Sascha Hauer
2012-09-08 17:35                     ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 18:11                       ` Sascha Hauer
2012-09-08 13:56     ` Sascha Hauer
2012-09-08 14:37       ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 15:09         ` Sascha Hauer
2012-09-08 17:14           ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 18:12             ` Sascha Hauer
2012-09-07 12:13   ` [PATCH 10/11] defaultenv-2: add net boot support with kernel and oftree via nfs Jean-Christophe PLAGNIOL-VILLARD
2012-09-07 12:13   ` [PATCH 11/11] defaultenv-2: add symbolic link support to boot/nfs Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 13:49     ` Sascha Hauer [this message]
2012-09-08 14:47       ` Jean-Christophe PLAGNIOL-VILLARD
2012-09-08 17:09         ` Sascha Hauer

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