34 lines
993 B
Ruby
34 lines
993 B
Ruby
require 'image_size'
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usage 'images'
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summary 'prepares images'
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description 'Prepares images for uploads, i.e. strips them of metadata, compresses them and so on.'
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required :s, :sites, 'sites'
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module Nanoc::CLI::Commands
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class Images < ::Nanoc::CLI::CommandRunner
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def run
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sites_arg(options[:sites]).each do |site|
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img_dir = "content_#{site}/pigs"
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exts = "{" + %w{jpg png gif}.join(",") + "}"
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# resize all large images
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Dir["#{img_dir}/*.#{exts}"].select {|f| ImageSize.new(IO.read(f)).width > 400}.map do |img|
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small_img = img.gsub /^(.+)\.(\w+)$/, '\1_small.\2'
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next if File.exists? small_img and File.mtime(small_img) >= File.mtime(img)
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puts "resizing #{img}..."
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system "convert -resize '400' #{img} #{small_img}"
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end
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# strip exif
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system "exiftool -all= -overwrite_original #{img_dir}/*.#{exts}"
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end
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end
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end
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end
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runner Nanoc::CLI::Commands::Images
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