Code Blog

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2016/09/19 MacOSX,Xcode

The Apple developer download page normally redirects to the Apple Store for downloads, but the link below is quite handy to get direct links for downloading (you need to be logged in as developer first)

https://developer.apple.com/download/more/

I often have trouble in China downloading Xcode as the network usually gives up before the download is completed (Xcode 8 is 4.1 GB).

The latest Xcode 8 is right now only available as a .xip file (not .dmg). The .xip file format contains an archive (xar containing a gzip archive and metadata) and a signature of the archive. You can open/extract it with the Archive Utility.app in finder. If you want to investigate whether the .xip is validly signed you can use pkgutil:

pkgutil --check-signature Xcode_8.xip