$ git clone -n https://github.com/xcp-ng-rpms/xapi.git /var/lib/mock/v8.3-u-brs2-6189-12154/root/chroot_tmpdir/scmroot/xapi
Cloning into '/var/lib/mock/v8.3-u-brs2-6189-12154/root/chroot_tmpdir/scmroot/xapi'...
$ git reset --hard 23ff0c6838eac06440e681996670f9b57bfb099f
Downloading SOURCES/xen-api-23.31.0.tar.gz (4.3 MB)
HEAD is now at 23ff0c6 POC PCI passthrough in xapi