$ git clone -n https://github.com/xcp-ng-rpms/xs-opam-repo.git /var/lib/mock/v8.3-incoming-6293-12690/root/chroot_tmpdir/scmroot/xs-opam-repo
Cloning into '/var/lib/mock/v8.3-incoming-6293-12690/root/chroot_tmpdir/scmroot/xs-opam-repo'...
$ git reset --hard 7fc247001ca9f7fb54f650f27a726da1b0f00ab2
Downloading SOURCES/xs-opam-repo-6.77.0.tar.gz (21 MB)
HEAD is now at 7fc2470 Merge branch 'XS-8.3'