Date: Mon, 03 Oct 2005 11:57:47 -0500 From: Eric Schuele <e.schuele@computer.org> To: Eric Schuele <e.schuele@computer.org> Cc: FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: Determining what a port will install... (more than pretty-print-*) [Soln] Message-ID: <4341630B.7090505@computer.org> In-Reply-To: <43416280.80403@computer.org> References: <43416280.80403@computer.org>
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hmm... apologies on the poor formating.
Eric Schuele wrote:
> Hello,
>
> Some time back I posted a question regarding how to determine what
> ports/packages would need to be installed on my machine when I install a
> new (new to the local machine) port.
>
> For example, if I do not presently have openoffice installed... what
> will get installed when I 'make install clean' it? Note that I want the
> differences between what is needed to build/run the port and what is
> already present on the machine.
>
> At the time no one responded with a clear way to do this... so I finally
> had a few minutes to write a script to do it for me. I thought someone
> else might find it useful... So I'm posting it here for comments and
> thoughts (be gentle, I'm new to awk).
>
> I find it useful, especially for laptops... which may have a small HDD
> and little memory. I generally try to install the minimum necessary to
> do my work.
>
> #! /bin/sh
>
> # Script to determine the differences between what is necessary for
> # a port, and what is already present on the local machine.
>
> make pretty-print-build-depends-list | \
> awk '{
> count = 0
> pkgs = ""
> for(i=5; i<=NF-2; i++) {
> pkg = $i
>
> if (index(pkg, "\"") == 1)
> {pkg = substr(pkg, 2, length(pkg)-1)}
> if (index(pkg, "\"") > 1)
> {pkg = substr(pkg, 1, length(pkg)-1)}
>
> if ( system("pkg_info -e " pkg) == 1) {
> pkgs = pkgs " " pkg
> count++
> }
> }
>
> if ( count ) {
> print "You need the following (build) perequisites:"
> print pkgs
> }
> else {
> print "All (build) prerequisites are present."
> }
>
> }'
>
> make pretty-print-run-depends-list | \
> awk '{
> count = 0
> pkgs = ""
> for(i=5; i<=NF-2; i++) {
> pkg = $i
>
> if (index(pkg, "\"") == 1)
> {pkg = substr(pkg, 2, length(pkg)-1)}
> if (index(pkg, "\"") > 1)
> {pkg = substr(pkg, 1, length(pkg)-1)}
>
> if ( system("pkg_info -e " pkg) == 1) {
> pkgs = pkgs " " pkg
> count++
> }
> }
>
> if ( count ) {
> print "You need the following (run) perequisites:"
> print pkgs
> }
> else {
> print "All (run) prerequisites are present."
> }
>
> }'
>
--
Regards,
Eric
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