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Each of the following stanzas is required for every Cask.
name
multiple occurrences allowed?
value
version
no
application version; give value of :latest if versioned downloads are not offered
sha256
no
SHA-256 checksum of the file downloaded from url, calculated by the command shasum -a 256 <file>. Can be suppressed by using the special value :no_check (see also Checksum Stanza Details)
url
no
URL to the .dmg/.zip/.tgz/.tbz2 file that contains the application. A comment should be added if the hostnames in the url and homepage stanzas differ (see also URL Stanza Details)
name
yes
a string providing the full and proper name defined by the vendor (see also Name Stanza Details)
homepage
no
application homepage; used for the brew cask home command
license
no
a symbol identifying the license category for the application (see also License Stanza Details)
At Least One Artifact Stanza Is Also Required
Each Cask must declare one or more artifacts (i.e. something to install).
name
multiple occurrences allowed?
value
app
yes
relative path to an .app that should be moved into the /Applications folder on installation (see also App Stanza Details)
pkg
yes
relative path to a .pkg file containing the distribution (see also Pkg Stanza Details)
binary
yes
relative path to a Binary that should be linked into the /usr/local/bin folder on installation
colorpicker
yes
relative path to a ColorPicker plugin that should be linked into the ~/Library/ColorPickers folder on installation
font
yes
relative path to a Font that should be linked into the ~/Library/Fonts folder on installation
input_method
yes
relative path to a Input Method that should be linked into the ~/Library/Input Methods folder on installation
internet_plugin
yes
relative path to a Service that should be linked into the ~/Library/Internet Plug-Ins folder on installation
prefpane
yes
relative path to a Preference Pane that should be linked into the ~/Library/PreferencePanes folder on installation
qlplugin
yes
relative path to a QuickLook Plugin that should be linked into the ~/Library/QuickLook folder on installation
screen_saver
yes
relative path to a Screen Saver that should be linked into the ~/Library/Screen Savers folder on installation
service
yes
relative path to a Service that should be linked into the ~/Library/Services folder on installation
audio_unit_plugin
yes
relative path to an Audio Unit plugin that should be linked into the ~/Library/Audio/Components folder on installation
vst_plugin
yes
relative path to a VST Plugin that should be linked into the ~/Library/Audio/VST folder on installation
vst3_plugin
yes
relative path to a VST3 Plugin that should be linked into the ~/Library/Audio/VST3 folder on installation
suite
yes
relative path to a containing directory that should be moved into the /Applications folder on installation (see also Suite Stanza Details)
artifact
yes
relative path to an arbitrary path that should be symlinked on installation. Must provide an absolute path as a target (example alcatraz.rb). This is only for unusual cases. The app stanza is strongly preferred when linking .app bundles.
installer
yes
describes an executable which must be run to complete the installation (see Installer Stanza Details)
stage_only
no
true. Assert that the Cask contains no activatable artifacts.
Optional Stanzas
name
multiple occurrences allowed?
value
uninstall
yes
procedures to uninstall a Cask. Optional unless the pkg stanza is used. (see also Uninstall Stanza Details)
zap
yes
additional procedures for a more complete uninstall, including user files and shared resources (see also Zap Stanza Details)
appcast
no
a URL providing an appcast feed to find updates for this Cask (see also Appcast Stanza Details)
a Ruby block containing preflight uninstall operations (needed only in very rare cases)
uninstall_postflight
yes
a Ruby block containing postflight uninstall operations
accessibility_access
no
true if the application should be granted accessibility access
container nested:
no
relative path to an inner container that must be extracted before moving on with the installation; this allows us to support dmg inside tar, zip inside dmg, etc.
container type:
no
a symbol to override container-type autodetect. May be one of: :air, :bz2, :cab, :dmg, :generic_unar, :gzip, :otf, :pkg, :rar, :seven_zip, :sit, :tar, :ttf, :xar, :zip, :naked. (example parse.rb)