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Mac installers with pkgbuild: Do not execute prein

2019-07-22 02:49发布

问题:

I made a package with pkgbuild. In info.plist, BundleIsVersionChecked is set to true. My package contains a preinstall and postinstall script in the scripts folder.

A downgrade of my application bundle is indeed prevented. But the preinstall and postinstall script is always run, even if the application bundle is not installed.

How can I tell pkgbuild not to execute the preinstall and postinstall script when a downgrade is happening?