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blacktm/package.rb

Created November 27, 2018 02:31
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Create macOS app bundle from an executable file
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package.rb
# Run this script using `ruby package.rb` with an executable named `app`
# in a `build/` directory.
# Build an app bundle for macOS
def build_macos_package
require 'fileutils'
info_plist = %(
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleExecutable</key>
<string>app</string>
<key>CFBundleIconFile</key>
<string>app.icns</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundlePackageType</key>
<string>APPL</string>
<key>CFBundleVersion</key>
<string>1</string>
<key>NSHighResolutionCapable</key>
<string>True</string>
</dict>
</plist>
)
# Create directories
FileUtils.mkpath 'build/App.app/Contents/MacOS'
FileUtils.mkpath 'build/App.app/Contents/Resources'
# Create Info.plist and copy over assets
File.open('build/App.app/Contents/Info.plist', 'w') { |f| f.write(info_plist) }
FileUtils.cp 'build/app', 'build/App.app/Contents/MacOS/'
# Success
puts 'App written to `build/App.app`.'
end
build_macos_package
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