Creates a nuget package dependency graph in graphviz dot language

graph.sh

# put the output in the box here: http://www.webgraphviz.com/

RESULT_FILE="graph.dot" # the output file
NAME_MATCH='Microsoft\.' # leave this as a blank string if you want no filtering

echo '' > $RESULT_FILE  # clear out the file
echo 'digraph Dependencies {' >> $RESULT_FILE
echo '  rankdir=LR;' >> $RESULT_FILE # we want a left to right graph, as it's a little easier to read

# find all packages.config, recursively beaneath the path passed into the script
find $1 -iname packages.config | while read line; do

  # find any csproj file next to the packages.config
  project_path="$(dirname $line)/*.csproj"

  # check it exists (e.g. to not error on a /.nuget/packages.config path)
  if [ -f $project_path ]; then

    # find the name of the assembly
    # (our projects are not named with the company prefix, but the assemblies/packages are)
    asm_name=$(grep -oP '<RootNamespace>\K(.*)(?=<)' $project_path)

    # Ignore any tests projects (optional)
    if [[ ${line} != *"Tests"* ]]; then

      # find all lines in the packages.config where the package name has a prefix
      grep -Po "package id=\"\K($NAME_MATCH.*?)(?=\")" $line | while read package; do
        # write it to the result
        echo "  \"$asm_name\" -> \"$package\"" >> $RESULT_FILE
      done

    fi
  fi

done

echo '}' >> $RESULT_FILE