$ git clone -n https://github.com/xcp-ng-rpms/xapi.git /var/lib/mock/v8.1-base-1751-1216/root/chroot_tmpdir/scmroot/xapi
Cloning into '/var/lib/mock/v8.1-base-1751-1216/root/chroot_tmpdir/scmroot/xapi'...
$ git reset --hard 2f506715d2fd40d47b1b72cac053dfa508aa3816
Downloading SOURCES/xen-api-1.214.1.tar.gz (1.5 MB)
HEAD is now at 2f50671 Merge branch 'XS-8.1'