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Rakefile
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Rakefile
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require 'rake'
require 'erb'
BACKUP_DIR = File.join(ENV["HOME"], ".backup_dotfiles")
NON_DOTFILES = %w[Rakefile README.md LICENSE]
desc "install the dot files into user's home directory"
task :install => :backup do
replace_all = false
Dir['*'].each do |file|
next if NON_DOTFILES.include? file
dotfile = dotfile_path(file)
short_dotfile = short_dotfile_path(file)
if File.exist?(dotfile)
if File.identical?(file, dotfile)
puts "identical #{short_dotfile}"
elsif replace_all
replace_file(file)
else
print "overwrite #{short_dotfile}? [ynaq] "
case $stdin.gets.chomp
when 'a'
replace_all = true
replace_file(file)
when 'y'
replace_file(file)
when 'q'
exit
else
puts "skipping #{short_dotfile}"
end
end
else
link_file(file)
end
end
setup_vundle
end
desc "backup the dot files to the '~/.backup_dotfiles' directory"
task :backup do
prepare_backups
backup_all = false
Dir['*'].each do |file|
next if NON_DOTFILES.include? file
dotfile = dotfile_path(file)
short_dotfile = short_dotfile_path(file)
backup = backup_file_path(file)
if File.exist?(dotfile)
if File.identical?(backup, dotfile)
puts "already backed up #{short_dotfile}"
elsif backup_all
backup_file(file)
else
print "backup #{short_dotfile}? [ynaq] "
case $stdin.gets.chomp
when 'a'
backup_all = true
backup_file(file)
when 'y'
backup_file(file)
when 'q'
exit
else
puts "skipping #{short_dotfile}"
end
end
else
puts "#{short_dotfile} doesn't exist to be backed up"
end
end
end
desc "restore the backed up dot files to the user's home directory"
task :restore do
restore_all = false
if not File.exists?(BACKUP_DIR)
puts "#{BACKUP_DIR} does not exist."
else
Dir["#{ENV['HOME']}/.backup_dotfiles/*"].each do |file|
restore_file(file)
end
end
end
desc "uninstall the dot files and restore the originals"
task :uninstall do
uninstall_all = false
Dir['*'].each do |file|
next if NON_DOTFILES.include? file
dotfile = dotfile_path(file)
short_dotfile = short_dotfile_path(file)
if File.exist?(dotfile)
if not File.symlink?(dotfile)
puts "#{short_dotfile} is not a symlink, and can't be uninstalled"
elsif uninstall_all
unlink_file(dotfile)
else
print "unlink #{short_dotfile}? [ynaq] "
case $stdin.gets.chomp
when 'a'
uninstall_all = true
unlink_file(dotfile)
when 'y'
unlink_file(dotfile)
when 'q'
exit
else
puts "skipping #{short_dotfile}"
end
end
else
puts "#{short_dotfile} doesn't exist, and can't be uninstalled"
end
end
Rake::Task[':restore'].invoke
end
def setup_vundle
system %Q{git clone https://github.com/gmarik/vundle.git ~/.vim/bundle/vundle}
system %Q{vim +BundleInstall +helptags +qall}
end
def replace_file(file)
system %Q{rm -rf "$HOME/.#{file.sub('.erb', '')}"}
link_file(file)
end
def link_file(file)
if file =~ /.erb$/
puts "generating ~/.#{file.sub('.erb', '')}"
File.open(File.join(ENV['HOME'], ".#{file.sub('.erb', '')}"), 'w') do |new_file|
new_file.write ERB.new(File.read(file)).result(binding)
end
else
puts "linking ~/.#{file}"
system %Q{ln -s "$PWD/#{file}" "$HOME/.#{file}"}
end
end
def prepare_backups
system %Q{mkdir #{BACKUP_DIR}} unless File.exists?(BACKUP_DIR)
end
def backup_file(file)
system %Q{cp -r #{dotfile_path(file)} #{BACKUP_DIR}}
puts "backing up #{short_dotfile_path(file)}"
end
def backup_file_path(file)
File.join(BACKUP_DIR, "#{file.sub('.erb', '')}")
end
def dotfile_path(file)
File.join(ENV['HOME'], ".#{file.sub('.erb', '')}")
end
def short_dotfile_path(file)
"~/.#{file.sub('.erb', '')}"
end
def restore_file(file)
system %Q{cp -r #{BACKUP_DIR}/#{file} #{ENV["HOME"]}}
puts "restoring #{short_dotfile_path(file)}"
end
def unlink_file(dotfile)
File.unlink(dotfile)
puts "unlinking #{dotfile}"
end