$ git clone -n https://github.com/xcp-ng-rpms/xs-opam-repo.git /var/lib/mock/v8.2-base-2709-2157/root/chroot_tmpdir/scmroot/xs-opam-repo
Cloning into '/var/lib/mock/v8.2-base-2709-2157/root/chroot_tmpdir/scmroot/xs-opam-repo'...
$ git reset --hard 2262cc76a87a90c3147e934218ba711818e8737b
fatal: Could not parse object '2262cc76a87a90c3147e934218ba711818e8737b'.