Exist a simple way to find dependencies recursivly with pacman?

Hi,
I'm a newbie Arch user with little english language skills.. Sorry for this.
Today I try to install some components of xfce (4.8) and I see... pacman want to install these packages: gnome-keyring, hal.
(Hal is probably a dependency of an old (4.6) component's of xfce.)
I don't want to install hal and gnome-keyring so I need to know what packages depends on those.
I don't find relevant informations on the net (but I'm possible blind )
Anyone know a simple solution for this problem?
I wrote a bash script today to teach myself to programming in bash but this script is probably not the simplest way. ( http://paste.ubuntu.com/580804/ )
Balazs

Mr.Elendig wrote:Fairly easy to get it to work on the sync db instead of the local db.
Would take some refactoring, but definitely possible. Maybe for 3.6 I'll work on this...
In the meantime, I agree. expac is awesome. Note that I may or may not be biased. The following should properly walk the repos and find you dependencies
#!/bin/bash
: ${maxdepth:=0}
declare -A walked
declare -i depth=0
walkdeps() {
for pkg in $(expac -S '%N' -l '\n' $1); do
printf '%s\n' "$pkg"
if [[ -z ${walked[$pkg]} ]] && (( maxdepth == 0 || depth <= maxdepth )); then
walked["$pkg"]=1
(( ++depth ));
walkdeps $pkg;
fi
done
walkdeps $1 | sort -u
Being bash, its not the speediest. By default, it'll recurse until it hits the end, but it'll honor the 'maxdepth' environment variable to limit that, e.g.
$ maxdepth=2 ./depwalk hal
e-modules-extra-svn
eiciel
flumotion
gnome-commander
gnome-device-manager
gnome-vfs
gnome-vfs-perl
gnome-vfsmm
gobby
libgda3
libgnome
podsleuth
python2-gnomevfs
synce-libsynce
synce-odccm
thoggen
thunar-vfs
updated: because i can't read or write
Last edited by falconindy (2011-03-16 13:42:24)

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