[Buildroot] Changing permission recursively

Arnout Vandecappelle arnout at mind.be
Thu Mar 12 20:32:00 UTC 2015

On 12/03/15 18:55, Baruch Siach wrote:
> Hi Angelo,
> On Thu, Mar 12, 2015 at 10:08:10AM +0100, Angelo Compagnucci wrote:
>> I'm in the process of building a rootfs for a custom application and
>> wondering the best way to change permissions recursively for a
>> directory.
>> What I'm trying to achieve is to add some files via an overlay, but
>> files should have a specific owner/permission which should be read
>> from the buildroot's users table.
>> I cannot find something like that in the documentation. Instead, the
>> documentation specifies how to add single files and change
>> owner/permission accordingly.
>> If I understand correctly, I should create a new user (if necessary)
>> with a specific UDI/GID and than use a POST_INSTALL_TARGET to change
>> permission using that UID/GID.
>> Alternatively, I can use FOO_PERMISSIONS with a per file granularity.
>> Is this correct?
> How about running the following from a post build script (untested):
> 	${HOST_DIR}/usr/bin/fakeroot -- chown -R UID:GID ${1}/path/to/directory
> baruch

 I think it would be easier to extend package/makedevs/makedevs.c to support
recursive operation.


Arnout Vandecappelle                          arnout at mind be
Senior Embedded Software Architect            +32-16-286500
Essensium/Mind                                http://www.mind.be
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