doc/tests switchover to uninstall :delete

doc/CASK_LANGUAGE_REFERENCE.md

@@ -9,6 +9,7 @@ Cask Domain-Specific Language (DSL) which are not needed in most cases.
  * [At Least One Artifact Stanza Is Also Required](#at-least-one-artifact-stanza-is-also-required)
  * [Optional Stanzas](#optional-stanzas)
  * [Legacy Stanzas](#legacy-stanzas)
+ * [Legacy Forms](#legacy-forms)
  * [Conditional Statements](#conditional-statements)
  * [Caveats Stanza Details](#caveats-stanza-details)
  * [Checksum Stanza Details](#checksum-stanza-details)
@@ -122,6 +123,15 @@ The following stanzas are no longer in use.
 | `depends_on_formula` | yes                           | an obsolete alternative to `depends_on :formula`
 
 
+## Legacy Forms
+
+The following forms are no longer in use.
+
+| name                 | meaning     |
+| -------------------- | ----------- |
+| `uninstall :files`   | an obsolete alternative to `uninstall :delete`
+
+
 ## Conditional Statements
 
 ### Efficiency
@@ -449,7 +459,7 @@ of the following key/value pairs as arguments to `uninstall`.
   - `:args` - array of arguments to the uninstall script
   - `:input` - array of lines of input to be sent to `stdin` of the script
   - `:must_succeed` - set to `false` if the script is allowed to fail
-* `:files` (string or array) - single-quoted, absolute paths of files or directory trees to remove.  `:files` should only be used as a last resort. `:pkgutil` is strongly preferred
+* `:delete` (string or array) - single-quoted, absolute paths of files or directory trees to remove.  `:delete` should only be used as a last resort. `:pkgutil` is strongly preferred
 * `:rmdir` (string or array) - single-quoted, absolute paths of directories to remove if empty.
 
 Each `uninstall` technique is applied according to the order above. The order
@@ -467,7 +477,7 @@ The easiest way to work out an `uninstall` stanza is on a system where the
 ### Uninstall Key :pkgutil
 
 This is the most useful uninstall key.  `:pkgutil` is often sufficient
-to completely uninstall a `pkg`, and is strongly preferred over `:files`.
+to completely uninstall a `pkg`, and is strongly preferred over `:delete`.
 
 IDs for the most recently-installed packages can be listed using the
 command
@@ -571,12 +581,12 @@ IDs inside a kext bundle you have located on disk can be listed using the comman
 $ ./developer/bin/list_id_in_kext </path/to/name.kext>
 ```
 
-### Uninstall Key :files
+### Uninstall Key :delete
 
-`:files` should only be used as a last resort, if other `uninstall` methods
+`:delete` should only be used as a last resort, if other `uninstall` methods
 are insufficient.
 
-Arguments to `uninstall :files` should be static, single-quoted, absolute
+Arguments to `uninstall :delete` should be static, single-quoted, absolute
 paths.
 
  * Only single quotes should be used.
@@ -655,8 +665,8 @@ The form of `zap` stanza follows the [`uninstall` stanza](#uninstall-stanza-deta
 All of the same directives are available.
 
 `zap` differs from `uninstall` in the following ways:
- * The use of `:files` is not discouraged.
- * The target values for `:files` and `:rmdir` accept leading tilde characters
+ * The use of `:delete` is not discouraged.
+ * The target values for `:delete` and `:rmdir` accept leading tilde characters
    (`~`), which will be expanded to home directories.
 
 Example: [injection.rb](../Casks/injection.rb)

doc/cask_language_deltas.md

@@ -57,6 +57,7 @@ This notice will be removed for the final form.**
 | `before_uninstall`    | `uninstall_preflight`
 | `after_uninstall`     | `uninstall_postflight`
 | `depends_on_formula`  | `depends_on :formula`
+| `uninstall :files`    | `uninstall :delete`
 | `version 'latest'`    | `version :latest`
 
 

lib/cask/artifact/uninstall_base.rb

@@ -37,6 +37,7 @@ def dispatch_uninstall_directives(stanza, expand_tilde=false)
     ohai "Running #{stanza} process for #{@cask}; your password may be necessary"
 
     directives_set.each do |directives|
+      # todo remove backward-compatible :files
       unknown_keys = directives.keys - [:early_script, :launchctl, :quit, :signal, :kext, :script, :pkgutil, :files, :delete, :trash, :rmdir]
       unless unknown_keys.empty?
         opoo %Q{Unknown arguments to #{stanza} -- #{unknown_keys.inspect}. Running "brew update && brew upgrade brew-cask && brew cleanup && brew cask cleanup" will likely fix it.}
@@ -123,7 +124,7 @@ def dispatch_uninstall_directives(stanza, expand_tilde=false)
       end
     end
 
-    # :script must come before :pkgutil or :files so that the script file is not already deleted
+    # :script must come before :pkgutil, :delete, or :trash so that the script file is not already deleted
     directives_set.select{ |h| h.key?(:script) }.each do |directives|
       executable, script_arguments = self.class.read_script_arguments(directives,
                                                                       'uninstall',

test/support/Casks/with-installable.rb

@@ -6,7 +6,7 @@ class WithInstallable < TestCask
   pkg 'MyFancyPkg/Fancy.pkg'
   uninstall :script => { :executable => 'MyFancyPkg/FancyUninstaller.tool', :args => %w[--please] },
             :quit   => 'my.fancy.package.app',
-            :files  => [
+            :delete => [
                         '/permissible/absolute/path',
                         '~/impermissible/path/with/tilde',
                         'impermissible/relative/path',

test/support/Casks/with-zap.rb

@@ -10,5 +10,5 @@ class WithZap < TestCask
                   :args => %w[--please]
                   },
       :quit => 'my.fancy.package.app',
-      :files => '~/Library/Preferences/my.fancy.app.plist'
+      :delete => '~/Library/Preferences/my.fancy.app.plist'
 end