More likely this is from brew or macports. Xcode has shipped a newer version for a long time now.
> On Mar 17, 2016, at 10:21 AM, Swift Studies <swiftstud...@icloud.com> wrote: > > > Ah that's good to know... I assume 1.8.4 is what is installed along with the > XCode command line tools.. What's the best way to upgrade the version without > upsetting XCode? > > On Mar 17, 2016, at 04:50 PM, Max Howell <max.how...@apple.com> wrote: > >>> I have a package I am building that I have introduced a dependency for, but >>> swift build is failing. It looks like a git error: >>> >>> gbn-sstudies-mv:SmarkDown sstudies$ swift build >>> Cloning https://github.com/SwiftStudies/Duration.git >>> /usr/local/bin/git -C >>> /Users/sstudies/Documents/Code/Swift/SPM/Packages/SmarkDown/Packages/Duration >>> fetch --tags origin >>> Unknown option: -C >>> usage: git [--version] [--help] [-c name=value] >>> [--exec-path[=<path>]] [--html-path] [--man-path] [--info-path] >>> [-p|--paginate|--no-pager] [--no-replace-objects] [--bare] >>> [--git-dir=<path>] [--work-tree=<path>] [--namespace=<name>] >>> <command> [<args>] >>> >>> error: exit(129): git -C >>> /Users/sstudies/Documents/Code/Swift/SPM/Packages/SmarkDown/Packages/Duration >>> fetch --tags origin >>> >>> Is it a git version issue? git --version reveals 1.8.4 which is being >>> picked up from /usr/local/bin/git >>> >>> Please let me know if you need more information >> >> We depend on at least git version 2, I’ll record a bug to report this error >> in these situations. >>
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