[Rd] Option to set permissions on directories and files after package installation

[Warnes, Gregory]

I second the request to allow specification of the permissions to use when
installing packages, preferably controllable via a site-wide configuration
file.



On 11/25/12 4:57 PM, "Dirk Eddelbuettel" <edd at debian.org> wrote:

>
>The R package on Debian (and hence Ubuntu) has had a default for close to
>a
>decade to install into /usr/local/R/site-library/. This came from a
>suggestion by Kurt and Fritz, and I still think of it as rather useful.
>
>To me, this suggests multiuser mode, preferably without sudo.  One can get
>close via group membership on the directory, but ultimate this always
>fails
>because tools:::.install_packages() insists on putting 0644 / 0755 modes
>on
>everything as seen from the following selection from that function:
>
>
>                ## not clear if this is still necessary, but sh version
>did so
>                if (!WINDOWS) Sys.chmod(file.path(dest, files), "755")
>
>
>                if (file.exists(f)) {
>                    file.copy(f, instdir, TRUE)
>                    Sys.chmod(file.path(instdir, f), "644")
>                }
>
>
>		Sys.chmod(Sys.glob(file.path(instdir, "data", "*")), "644")
>
>
>	    Sys.chmod(Sys.glob(file.path(instdir, "demo", "*")), "644")
>
>
>                    Sys.chmod(Sys.glob(file.path(instdir, "exec", "*")),
>"755")
>
>
>                Sys.chmod(i2_files[execs], "755")
>
>
>I would like to have the option of haveing the effect of setting umask
>0002
>so that people in my group can replace packages.   The simplest may be to
>replace "644"/"755" with "664"/"775" is a suitable option is set. More
>involved schemes are of course possible too.
>
>Naturally, I would be happy to work on patch if there was any indication
>that
>the patch would be reviewed and possibly included.
>
>With that: comments, please. Is this seen as sensible or deemed nutty and
>off-limits?
>
>Thanks, Dirk
>
>-- 
>Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com
>
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