dependency_graph.sh

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#!/bin/sh

# usage:  dependency_graph.sh <product> <version> <quals>
# will make <product>_<version>_<quals>_graph.pdf dependency tree using graphviz
# it sets up the dune environment and then the product and qualifier
# requires dot for taking the graphviz file and making a PDF graph

function printdep {
    if [ x`echo $curprod | grep geant4` = x ]; then
   if [ x`echo $curprod | grep mrb` = x ]; then
       if [ x`echo $prod | grep cetpkgsupport` = x ]; then
           if [ x`echo $prod | grep xerces_c` = x ]; then
               if [ x`echo $prod | grep gcc` = x ]; then
                   echo "$curprod -> $prod"
                   printprodver
               fi
           fi
       fi
   fi
    fi
}

function printprodver {
    echo $prod [label=\"$prod\\n$prodver\"]
    echo $curprod [label=\"$curprod\\n$curprodver\"]
}

function makegraph {

# make a temporary file containing all the ups active's of all setup products

    tempfile=`mktemp /tmp/deptreegraphviz.tmp.XXXXXX`
    touch $tempfile
    rm $tempfile
    ups active | grep -v "Active ups products:" | while read iline
    do
   ilct=${iline/-z * /}
   ilc=${ilct/-z */}
   ups depend $ilc >> $tempfile
    done


# need to read in without collapsing spaces.  IFS does this but ups depend gags on that,
# so run ups depend and catch the output in a separate file

    IFSSAVE=$IFS   
    IFS=$'\n' 
    cat $tempfile | while read -r iline2
    do
   matchstr="|__"
   if [ x`echo $iline2 | grep $matchstr` = x ]; then

# top-level product

       prod=`echo $iline2 | cut -d ' ' -f1`
       prodver=`echo $iline2 | cut -d ' ' -f2`
       curprod=$prod
       curprodver=$prodver
       lastprod=$prod
       lastprodver=$prodver
       curlev=0
       plist[$curlev]=$curprod
       plistver[$curlev]=$curprodver
   else

# found a |__ -- downlevel product

       dv1=`echo $iline2 | grep -b -o $matchstr | awk 'BEGIN {FS=":"}{print $1}'`
       dv2=$(($dv1/3))
       depth=$(($dv2+1))

       jprod1=${iline2/*|__/}
       prod=`echo $jprod1 | cut -d ' ' -f1`
       prodver=`echo $jprod1 | cut -d ' ' -f2`
       clp1=$((curlev+1))
       if [ $depth = $clp1 ]; then
           printdep
       elif [ $depth -gt $clp1 ]; then
           curprod=$lastprod
           curprodver=$lastprodver
           curlev=$clp1
           plist[$curlev]=$curprod
           plistver[$curlev]=$curprodver
           printdep
       else
           curlev=$(($depth-1))
           curprod=${plist[$curlev]}
           curprodver=${plistver[$curlev]}
           printdep
       fi
       lastprod=$prod
       lastprodver=$prodver
   fi
    done  # loop over lines in tempfile
    IFS=$IFSSAVE
    rm $tempfile
}

# begin main program

if [ "$1" == "--help" ]; then
    echo "Usage: dependency_graph.sh <product> <version> <qualifiers> to make a file <product>_<version>.pdf showing"
    echo "the dependency tree.  This version suppresses GEANT4's dependencies as well as mrb and cetpkgsupport"
    exit
fi

export LANG=en_US
source /cvmfs/dune.opensciencegrid.org/products/dune/setup_dune.sh
setup $1 $2 -q $3

TF=`mktemp /tmp/dtgv.tmp.XXXXXX`
touch $TF
rm $TF

echo digraph G { > $TF
makegraph | sort | uniq  >> $TF
echo } >> $TF

dot -Tpdf -o $1_$2_$3_graph.pdf $TF
rm $TF