Ruby glue to commit and tag a bunch of tarballs

tag.rb

#!/usr/bin/env ruby
#usage:
# un-tar mpsh tars to directories and then
# ./tag.rb mpsh-1.0 mpsh-1-1 mpsh-1-2 mpsh-1-2-1 mpsh-1-3 mpsh-1-3-1 mpsh-1-4

dir = "mpsh"
author = "Dave Fischer <[email protected]>"
ARGV.each do|a|
  a = a.sub /\/$/, ''
  if File.directory?(a) then
    ver = a.sub(/[a-z]*-([0-9.]*)/, '\1').gsub '-', '.'
    puts "Dir: #{a} Ver: #{ver}"
    puts `find #{dir} \! -iwholename '*.git*' -mindepth 1 -exec echo rm {} \\;`
    puts `cp -Rvp #{a}/ #{dir}`
    msg = "Auto-commit of #{ver}"
    date = File.mtime(a)
    puts `
            export GIT_AUTHOR_DATE='#{date}' ;
            cd #{dir} &&
            git add --all . &&
            git commit --author='#{author}' -m '#{msg}' &&
            git tag -a #{ver} -m '#{msg}'
        `
  end
end