I would say it's a bug of the PackageKit framework that does not perform the same installation procedure depending on the extension whereas it should only rely on the contents of the xar archive hierarchy to decide what to do. - If you build a bundle distribution and use the .mpkg extension, the installation behaves correctly. - If you build a flat distribution and use the .pkg extension, the installation behaves correctly. - If you build a flat distribution and use the .mpkg extension, the installation does not behave correctly according to the log. I would suggest filing a bug report on Radar so that the problem gets eventually fixed. That being said, as far as I know, PackageMaker always used .mpkg for bundle distributions and .pkg for flat distributions. That's what other tools also do. On Tue, Dec 9, 2014 at 3:53 PM, Rajeev Kumar <rajeevkumar235813@gmail.com> wrote:

Hi,

I have created a sample "MyApp.app" and I am creating the Installer for it.

Case 1: Creating Installer.pkg [myapp folder contains MyApp.pkg]

$pkgbuild --analyze --root myapp myApp.plist

$pkgbuild --root myapp --component-plist myApp.plist --identifier "com.mycompany.myapp.pkg" --install-location "/Applications/" MyApp.pkg

$productbuild --synthesize --package MyApp.pkg Distribution.xml

$productbuild --distribution Distribution.xml --package-path . Installer.pkg

If I install Installer.pkg, I get following in the /var/log/install.log

Dec 9 20:11:33 RAJEKUMAR-MBP.local Installer[22102]: InstallerStatusNotifications plugin loaded

Dec 9 20:11:34 RAJEKUMAR-MBP.local Installer[22102]: ================================================================================

Dec 9 20:11:34 RAJEKUMAR-MBP.local Installer[22102]: User picked Standard Install

Dec 9 20:11:34 RAJEKUMAR-MBP.local Installer[22102]: Choices selected for installation:

Dec 9 20:11:34 RAJEKUMAR-MBP.local Installer[22102]: Upgrade: ""

Dec 9 20:11:34 RAJEKUMAR-MBP.local Installer[22102]: Upgrade: "(null)"

Dec 9 20:11:34 RAJEKUMAR-MBP.local Installer[22102]: Installer.pkg#MyApp.pkg : com.mycompany.myapp.pkg : 0

Dec 9 20:11:34 RAJEKUMAR-MBP.local Installer[22102]: ================================================================================

Dec 9 20:11:40 RAJEKUMAR-MBP.local installd[557]: PackageKit: ----- Begin install -----

Dec 9 20:11:40 RAJEKUMAR-MBP.local installd[557]: PackageKit: request=PKInstallRequest <1 packages, destination=/>

Dec 9 20:11:40 RAJEKUMAR-MBP.local installd[557]: PackageKit: packages=(

"PKLeopardPackage <file://localhost/Users/rajekumar/Library/Developer/Xcode/DerivedData/MyApp-excgqrqzmxujpyfruiyzersgsjlq/Build/Products/Debug/Installer.pkg#MyApp.pkg>"

)

Full Log : http://pastebin.com/ZhxhdzST

Case 2: Creating Installer.mpkg [myapp folder contains MyApp.pkg]

$pkgbuild --analyze --root myapp myApp.plist

$pkgbuild --root myapp --component-plist myApp.plist --identifier "com.mycompany.myapp.pkg" --install-location "/Applications/" MyApp.pkg

$productbuild --synthesize --package MyApp.pkg Distribution.xml

$productbuild --distribution Distribution.xml --package-path . Installer.mpkg

If I install Installer.mpkg , I get following in the /var/log/install.log

Dec 9 20:15:44 RAJEKUMAR-MBP.local Installer[22132]: InstallerStatusNotifications plugin loaded

Dec 9 20:15:45 RAJEKUMAR-MBP.local Installer[22132]: ================================================================================

Dec 9 20:15:45 RAJEKUMAR-MBP.local Installer[22132]: User picked Standard Install

Dec 9 20:15:45 RAJEKUMAR-MBP.local Installer[22132]: Choices selected for installation:

Dec 9 20:15:45 RAJEKUMAR-MBP.local Installer[22132]: Upgrade: ""

Dec 9 20:15:45 RAJEKUMAR-MBP.local Installer[22132]: Upgrade: "(null)"

Dec 9 20:15:45 RAJEKUMAR-MBP.local Installer[22132]: Installer.mpkg#MyApp.pkg : com.mycompany.myapp.pkg : 0

Dec 9 20:15:45 RAJEKUMAR-MBP.local Installer[22132]: ================================================================================

Dec 9 20:15:50 RAJEKUMAR-MBP.local installd[557]: PackageKit: ----- Begin install -----

Dec 9 20:15:50 RAJEKUMAR-MBP.local installd[557]: PackageKit: request=PKInstallRequest <2 packages, destination=/>

Dec 9 20:15:50 RAJEKUMAR-MBP.local installd[557]: PackageKit: packages=(

"PKLeopardPackage <file://localhost/Users/rajekumar/Library/Developer/Xcode/DerivedData/MyApp-excgqrqzmxujpyfruiyzersgsjlq/Build/Products/Debug/Installer.mpkg#MyApp.pkg>",

"PKLeopardPackage <file://localhost/Users/rajekumar/Library/Developer/Xcode/DerivedData/MyApp-excgqrqzmxujpyfruiyzersgsjlq/Build/Products/Debug/Installer.mpkg#MyApp.pkg>"

)

Full Log : http://pastebin.com/isNBNW6H

As you can see when I am installing the Installer.mpkg the MyApp.pkg is getting installed twice. If there are some pre/post install script associated to it , then they are also executing twice. [In this run I have removed the scripts to keep things simple]

I am not able to understand this behavior .

Any help would be appreciated.

Rajeev

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