Finding a port's dependencies

[Elias Pipping]

On Mar 31, 2007, at 10:03 PM, Elias Pipping wrote:

>>>> I forget again: is there an easy way to tell if any
>>>> ports depend on those?
>>>
>>> yes, there is:
>>>
>>> $grep :cairo-devel */*/Portfile
>>
>> I'll put this in the FAQ.  Would it be useful to make the port  
>> command do
>> this in a future revision?
>>
>> Mark
>
> I've put together a script to search for dependents. Here's what it  
> does:
>
>  * works on ports that aren't currently installed
>  * supports both the (bin|lib):foo:name and the port:name syntax
>  * matches the exact name [1]
>    (searching for ncurses does not bring up results for ncursesw)
>  * supports regexp [2]
>    (e.g. searching for "ncursesw?")
>  * finds dependencies that hide in variants
>  * finds dependencies that hide in comments (yet to be gotten rid of)
>
> setup:      the script needs to be run from within the dports folder.
> invocation: foo.sh ncursesw?
>
> [1] http://paste.lisp.org/display/39008/raw
> [2] http://paste.lisp.org/display/39008,1/raw

I've added in the 'path:path/to/file:name' syntax. (didn't know it  
existed)

==== foo ====

#! /bin/sh

# room for customization
SED=/usr/bin/sed
GREP=/usr/bin/grep

$GREP -E "(port|(path|lib|bin):[^:]+):$1([\t ]|$)" */*/Portfile |  
$SED "s=/Portfile:.*==g"

==== bar ====


Regards,

Elias