Re: on the use of chmod/chown in maintainer scripts
On Sat, May 12, 2012 at 03:55:24PM +0200, Guillem Jover wrote:
> On Sat, 2012-05-12 at 12:28:27 +0100, Roger Leigh wrote:
> > On Sat, May 12, 2012 at 12:23:49PM +0200, Peter Palfrader wrote:
> > With the above approach, the only hard question is how to set the
> > ownership during the package build. fakeroot handles this just fine,
> > but it does require the user/group to be present on the build
> > system, which will not always be the case. Is there an alternative
> > means to set/override the ownership during packing of a tarfile?
>
> One option would be to make dpkg-deb use an internal tar implementation,
> and add a file describing the attributes of the to be packaged files.
> That might make needing root privs (either through fakeroot or sudo)
> unneeded in most of the cases too.
I found that this functionality is already present in BSD tar,
according to the manpage. You can provide a file containing
all the files to pack, plus their ownership and perms etc.,
rather than just specifying the files on the command-line.
----bsdtar(1)----
An input file in mtree(5) format can be used to create an output archive
with arbitrary ownership, permissions, or names that differ from existing
data on disk:
$ cat input.mtree
#mtree
usr/bin uid=0 gid=0 mode=0755 type=dir
usr/bin/ls uid=0 gid=0 mode=0755 type=file content=myls
$ tar -cvf output.tar @input.mtree
-----------------
I can't see an equivalent in GNU tar. But BSD tar is available
in Debian.
Regards,
Roger
--
.''`. Roger Leigh
: :' : Debian GNU/Linux http://people.debian.org/~rleigh/
`. `' schroot and sbuild http://alioth.debian.org/projects/buildd-tools
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