$ git clone -n https://github.com/xcp-ng-rpms/xapi /var/lib/mock/v8.2-ipv6-3016-2518/root/chroot_tmpdir/scmroot/xapi
Cloning into '/var/lib/mock/v8.2-ipv6-3016-2518/root/chroot_tmpdir/scmroot/xapi'...
$ git reset --hard 0ff4054c1081027a9b3fc197718418c024a150e0
Downloading SOURCES/xen-api-1.249.5.tar.gz (1.6 MB)
HEAD is now at 0ff4054 rebuild ipv6.3