hacky bash script to pull clojure lein project deps into a local directory

pulldeps.bash

#!/bin/bash

# require unzip
UNZIP=$(which unzip)
if [ $? -ne 0 ]; then
  echo "Error: requires unzip command"
  exit 1
fi

# pull the first level dependencies from lein via some sed pain
deps=$(lein deps :tree | \
  sed -ne 's/^ \[\([-a-z.]\+\)\/\?\([-a-z.]\+\s\)\?.\+\?"\([0-9]\+\.[0-9]\+.[0-9]\+\)".*/\1 \2\3/gp')


REPO_PATH=~/.m2/repository
OUTPUT_PATH=depref

while read group artifact version; do

  if [ -z "$version" ]; then 
    version="$artifact"
    artifact="$group"
  fi

  echo -n "Group: $group "
  echo -n "Artifact: $artifact "
  echo "Version: $version"

  jar_path="$REPO_PATH/${group/./\/}/$artifact/$version"

  echo "Jar path: $jar_path"

  if [ -d $jar_path ]; then
    
    jar_file=$jar_path/*.jar

    if [ -f $jar_file ]; then
      jar_output_dest=$OUTPUT_PATH/$artifact
      mkdir -p "$jar_output_dest"
      echo "Outputting to $jar_output_dest"
      unzip -oqq "$jar_file" "*.clj" "*.cljs" "*.cljx" "*.txt" "*.md" -x "META-INF/*" -d "$jar_output_dest" >/dev/null 2>&1
    fi

  fi

done <<<"$deps"

# add directory to gitignore if exists and not already included
if [ -f .gitignore ]; then
  grep -F "^${OUTPUT_PATH}/" .gitignore >/dev/null || echo "${OUTPUT_PATH}/" >> .gitignore
fi