58 lines
1.4 KiB
Ruby
Executable File
58 lines
1.4 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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require 'fileutils'
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PROGNAME = 'pre-commit (auto-generate sketch previews)'
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def main
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progress "Installing sketchtool"
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system!(%W[/Applications/Sketch.app/Contents/Resources/sketchtool/install.sh])
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progress "Looking for changed or added .sketch files"
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diff_output = capture!(%W[git diff --name-only --cached --pretty=format:])
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sketch_files = diff_output.split("\n").grep(/\.sketch\z/)
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if sketch_files.empty?
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progress "No sketch files to create preview images for in this commit!"
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end
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puts sketch_files
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sketch_files.each do |f|
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unless File.exist?(f)
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progress "#{f} does not exist (anymore?)"
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next
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end
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png_output_dir = f.sub(/\.sketch\z/, '') + '-sketch-previews'
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progress "deleting old previews"
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FileUtils.rm_rf(png_output_dir)
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progress "exporting pages"
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cmd = %W[sketchtool --overwriting=YES --output=#{png_output_dir} export pages #{f}]
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system!(cmd)
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progress "adding to git"
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system!(%W[git add #{png_output_dir}])
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end
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end
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def system!(cmd)
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puts "running: #{cmd.join(' ')}"
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abort failure_message(cmd) unless system(*cmd)
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end
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def capture!(cmd)
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puts "capturing: #{cmd.join(' ')}"
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result = IO.popen(cmd) { |io| io.read }
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abort failure_message(cmd) unless $?.success?
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result
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end
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def failure_message(cmd)
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"#{PROGNAME}: command failed: #{cmd.join(' ')}"
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end
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def progress(msg)
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puts "#{PROGNAME}: #{msg}"
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end
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main
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