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backup_just.rb
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backup_just.rb
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#!/usr/bin/env ruby
# encoding: utf-8
# frozen_string_literal: true
# warn_indent: true
##########################################################
###
## File: backup_just.rb
## Desc: Find all *.just, *.justfile and */justfile files and copy them
## to ~/.just_backup directory
## By: Dewayne VanHoozer (dvanhoozer@gmail.com)
#
# NOTE: Uses 'mdfind' which is a MacOS-only tool ???
#
require 'date'
require 'pathname'
require 'tempfile'
HOME = Pathname.new(ENV['HOME'])
BACKUP_DIR = HOME + '.just_backup'
LAST_TIME_PATH = BACKUP_DIR + 'last_backup_timestamp.txt'
LAST_BACKUP_TIME = LAST_TIME_PATH.mtime
home_string = HOME.to_s
BACKUP_DIR_STRING = BACKUP_DIR.to_s
unless BACKUP_DIR.exist?
BACKUP_DIR.mkdir
end
unless BACKUP_DIR.directory?
puts "\nERROR: Not a Directory ~/#{BACKUP_DIR.basename}"
exit(1)
end
require 'amazing_print'
require 'debug_me'
include DebugMe
######################################################
# Local methods
######################################################
# Main
at_exit do
puts
puts "Done."
puts
end
puts
puts "Last backup was: #{LAST_BACKUP_TIME}"
puts
puts "Finding all the files modified since then ... "
# Define a method to filter files with specific extensions
def filter_files(tempfile_path)
File.readlines(tempfile_path)
.reject{|line| line.include?(BACKUP_DIR_STRING) }
.map{|line| line.strip}
.select{|line|
line.end_with?('.just') ||
line.end_with?('justfile')
}
.map{|line| Pathname.new(line)}
end
def with_tempfile
just_files = [] # set the context
Tempfile.create('tempfile') do |tempfile|
system("rg --files -uu ~/ 2> /dev/null > #{tempfile.path}")
just_files = filter_files(tempfile.path)
end
just_files
end
source_paths = with_tempfile
total_file_count = source_paths.size
source_paths.reject!{|f|
f.mtime < LAST_BACKUP_TIME
}
modified_file_count = source_paths.size
puts "done"
print "Creating target paths ... "
target_paths = []
source_paths.each do |source|
target_paths << Pathname.new( source.to_s.gsub(home_string, BACKUP_DIR_STRING) )
end
puts "done"
puts "Copy files to backup ... "
(0..source_paths.size-1).each do |inx|
directory = target_paths[inx].parent
directory.mkpath
command = "cp -f '#{source_paths[inx]}' '#{target_paths[inx]}'"
puts command
`#{command}`
end
puts "done"
LAST_TIME_PATH.write(DateTime.now.to_s)