$ git clone -n https://github.com/xcp-ng-rpms/edk2.git /var/lib/mock/v8.3-testing-4399-4499/root/chroot_tmpdir/scmroot/edk2
Cloning into '/var/lib/mock/v8.3-testing-4399-4499/root/chroot_tmpdir/scmroot/edk2'...
$ git reset --hard 56fb3623b70e012f22269a719ced5358d776eac1
Downloading SOURCES/edk2-20180522git4b8552d.tar.gz (39 MB)
HEAD is now at 56fb362 Merge branch 'XS-8.3'