Added preinstall_script to Racket 6
<string>Racket 6</string>
<key>developer</key>
<string>PLT Inc</string>
- <key>minimum_os_version</key>
- <string>10.9</string>
<key>name</key>
<string>%NAME%</string>
+ <key>preinstall_script</key>
+ <string>#!/bin/sh
+
+/bin/echo "Removing old copies of Racket v6.x from the /Applications folder..."
+/bin/rm -rf /Applications/Racket v6.*/
+
+exit $?</string>
<key>unattended_install</key>
<true/>
<key>unattended_uninstall</key>
