$ git clone -n https://github.com/xcp-ng-rpms/xs-opam-repo.git /var/lib/mock/v8.3-incoming-5414-8270/root/chroot_tmpdir/scmroot/xs-opam-repo
Cloning into '/var/lib/mock/v8.3-incoming-5414-8270/root/chroot_tmpdir/scmroot/xs-opam-repo'...
$ git reset --hard bb2561fc95267bc02b3e74de0552775146093869
Downloading SOURCES/xs-opam-repo-6.72.0.tar.gz (22 MB)
HEAD is now at bb2561f Rediff xs-opam-repo-6.72.0-fix-ipv6-uri.XCP-ng.patch