[Buildroot] Changing permission recursively

Baruch Siach baruch at tkos.co.il
Thu Mar 12 17:55:28 UTC 2015

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


     http://baruch.siach.name/blog/                  ~. .~   Tk Open Systems
   - baruch at tkos.co.il - tel: +972.2.679.5364, http://www.tkos.co.il -

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