$ git clone -n https://github.com/xcp-ng-rpms/xcp-ng-release.git /var/lib/mock/v8.2-ipv6-3632-3363/root/chroot_tmpdir/scmroot/xcp-ng-release
Cloning into '/var/lib/mock/v8.2-ipv6-3632-3363/root/chroot_tmpdir/scmroot/xcp-ng-release'...
$ git reset --hard 254f190877d8c73577d97647209044456ab074e5
Downloading SOURCES/xcp-ng-release-8.2.1.tar.gz (345 KB)
HEAD is now at 254f190 misc ipv6