git-prodtag

git-prodtag

#!/bin/bash
if [[ `git branch | grep '*' | awk '{print $2}'` != 'production' ]] ; then
  echo "Only on checked out production branch, plz"
  exit
fi

git fetch  --tags origin
RUBY=$(cat <<endruby
  require 'pp'
  tags = []
  STDIN.lines.each do |l| 
    next unless l =~ /^v(\d+\.\d+\.\d+)/ 
    tags << l 
  end 
  tags = tags.map { |t| t.gsub('v', '').split('.').map(&:to_i) }
  sorted = tags.sort_by { |t|
    -(t[0] * 1_000_000 + t[1] * 1_000 + t[2])
  }
  current = sorted[0]
  puts 'v' + current[0].to_s + '.' + current[1].to_s + '.' + (current[2] + 1).to_s
endruby)
NEXTTAG=`git tag | ruby -e "$RUBY"`
set -x
git tag $NEXTTAG