![]() ![]() ![]() When this type of package is installed under Leopard, it does not leave a receipt in /Library/Receipts. This file is actually a XAR archive similar in concept to a "tarball" or zip archive. Leopard added a new type of package - the "flat" package - where instead of a bundle-style directory, the package is a single file. These receipts were copies of the original installation package minus the archive containing the actual files that were installed. Prior to the release of OS X 10.5 Leopard, when Apple packages were installed, receipts were left in /Library/Receipts. ![]() (This may create its own issues it is not something you should do as a matter of habit.) If the receipt is missing, the installer treats the installation as a new install instead of an upgrade install. Some software installation problems can be resolved by removing the relevant receipt(s). Receipts serve as evidence that a certain version of a certain software package has been installed, and also are essential for the installer when it is upgrading a software package from an older version to a newer version. These are written to disk when software packaged in Apple package format is installed. Keep Those Receipts!Įxperienced OS X systems administrators should be familiar with package receipts. This month, we'll focus on changes relating to installer packages, receipts, and Software Update. Last time, we went on a scavenger hunt through the OS, looking for some of these changes. So what better time to talk about Snow Leopard and packages?Īs always, with each major OS release from Apple, there are changes that might affect systems administrators. It's that time of year, when there's snow (at least in parts of the Northern Hemisphere), and people are thinking of packages - packages to ship to friends and family maybe even packages under a tree. Snow Leopard's changes to package receiptsīy Greg Neagle, Introduction MacEnterprise: Packages, Receipts, and Snow.Ĭolumn Tag: System Administration MacEnterprise: Packages, Receipts, and Snow. Educational Institution and Student Discounts. ![]()
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