Initial import

lib/picop/cli.rb

@@ -0,0 +1,88 @@
+require "optparse"
+
+module Picop
+  class CLI
+    def self.run(argv = ARGV)
+      command = argv.shift
+      case command
+      when 'scan'
+        options = {}
+        OptionParser.new do |opts|
+          opts.banner = "Usage: picop scan [options] DIRECTORY"
+          opts.on('-v', '--verbose', 'Run verbosely') { |v| options[:verbose] = v }
+        end.parse!(argv)
+
+        dir = argv.first || '.'
+        Picop::Scanner.scan(dir, options)
+
+      when 'sign'
+        OptionParser.new do |opts|
+          opts.banner = "Usage: picop sign FILE"
+        end.parse!(argv)
+
+        file = argv.first
+        Picop::SourceFile.new(file).sign
+
+      when 'checksum'
+        OptionParser.new do |opts|
+          opts.banner = "Usage: picop checksum FILE"
+        end.parse!(argv)
+        file = argv.first
+        puts Picop::SourceFile.new(file).checksum
+
+      when 'verify'
+        OptionParser.new do |opts|
+          opts.banner = "Usage: picop sign FILE"
+        end.parse!(argv)
+
+        path = argv.first
+        source = SourceFile.new(path)
+
+        if source.metadata['content_checksum'].nil?
+          puts "⚠️  No checksum found in #{path}"
+          puts "Run 'picop sign #{path}' to add one"
+          exit 1
+        end
+
+        unless source.verify
+          puts "❌ Checksum verification failed for #{path}"
+          puts "Expected: #{source.metadata['content_checksum']}"
+          puts "Got:      #{source.checksum}"
+          exit 1
+        end
+  
+        puts "✅ #{path} verified successfully"
+
+      when 'show'
+        OptionParser.new do |opts|
+          opts.banner = "Usage: picop show FILE|DIRECTORY"
+        end.parse!(argv)
+
+        path = argv.first
+        Picop.show(path)
+
+      when 'update'
+        options = {}
+        OptionParser.new do |opts|
+          opts.banner = "Usage: picop update [options] FILE"
+          opts.on('-f', '--force', 'Force update') { |f| options[:force] = f }
+        end.parse!(argv)
+
+        file = argv.first
+        Picop.update(file, options)
+
+      else
+        puts "Unknown command: #{command}"
+        puts "Available commands: scan, sign, show, update"
+        exit 1
+      end
+    rescue OptionParser::InvalidOption => e
+      puts e.message
+      exit 1
+    rescue => e
+      puts "Error: #{e.message}"
+      puts e.backtrace if ENV['DEBUG']
+      exit 1
+    end
+  end
+end