Get info about your project's gems

geminfo.sh

#!/bin/bash
# Use with output of `bundle list` to get a CSV of your gems and when they were last updated
echo "gem,current_version,current_version_date,latest_version,latest_version_date"
while read line; do
  if [[ $line == 'Gems included by the bundle:' ]]; then
    continue
  fi
  gem_name=`echo "$line" | cut -d' ' -f2`
  current_version_num=`echo "$line" | cut -d' ' -f3 | sed 's/[\(\)]//g'`

  gem_versions="`curl -s https://rubygems.org/gems/$gem_name/versions`"

  latest_version_info=`echo "$gem_versions" | pup '.versions ul li:first-child'`
  latest_version_num=`echo $latest_version_info | pup 'a text{}' | tr -d "\n\r" | sed 's/-//g' | awk '{$1=$1;print}'`
  latest_version_date_raw=`echo $latest_version_info | pup 'small text{}' | tr -d "\n\r" | sed 's/-//g' | awk '{$1=$1;print}'`
  latest_version_date=`date -j -f "%B %d, %Y" "$latest_version_date_raw" +"%Y/%m/%d"`

  current_version_info=`echo "$gem_versions" | pup '.versions ul li' | grep -A 4 "$current_version_num\$"`
  current_version_date_raw=`echo $current_version_info | pup 'small text{}' | tr -d "\n\r" | sed 's/-//g' | awk '{$1=$1;print}'`
  current_version_date=`date -j -f "%B %d, %Y" "$current_version_date_raw" +"%Y/%m/%d"`

  echo "\"$gem_name\",\"$current_version_num\",\"$current_version_date\",\"$latest_version_num\",\"$latest_version_date\""
done <gemlist.txt