pactools/pt-deptree

   1 #!/bin/sh
   2 # Pacman Dependency Tree
   3 # does NOT handle group names -> unexpected results.
   4 # Package names using aliases, like x-server, should work.
   5 # Breaks on circular dependencies -> you better hit ctrl-c.
   6
   7 export LC_ALL=en_US
   8
   9 progname=`basename $0`
  10 pacexec='pacman'
  11 leafnull='None'
  12 branch=""
  13 vbranch="|   "
  14 vprune="    "
  15 hbranch="+---"
  16
  17 _showdep () {
  18
  19     # Try to use specific pkg req
  20     if $pacexec -Qi $1 &> /dev/null ; then
  21          # Grab deps list|from "Depends"|Remove Tag \| specific version req's.
  22         deplist=`$pacexec -Qi $1|grep Depends|sed 's/^.*: \|>[^ ]*//g;s/ $//'`
  23     else # Oops! Failed on alias, try this...
  24         deplist=`$pacexec -Qs $1 | sed '1!d;s/\(^.*\/\)\(.*\)\( .*$\)/\2/'`
  25     fi
  26
  27     [ "x$deplist" = "x$leafnull" ] && return
  28
  29     while [ -n "$deplist" ]
  30     do
  31         set -- $deplist && echo "$branch$hbranch$1"
  32         if [ $# -gt 1 ] ; then
  33             branch=${branch}$vbranch
  34         else
  35             branch=${branch}$vprune
  36         fi
  37
  38         _showdep $1
  39
  40         deplist=${*:2}
  41         branch=${branch:0:${#branch}-${#vprune}}
  42     done
  43 }
  44
  45 branch=$vprune
  46
  47 for pkg in `$pacexec -Q $1 | sed 's/ .*//'`
  48 do
  49     echo $pkg
  50     _showdep $pkg
  51 done
  52
  53 unset _showdep && set --
  54 exit 0