$ git clone -n https://github.com/xcp-ng-rpms/dummypkg.git /var/lib/mock/v8.3-u-stormi1-8246-24438/root/chroot_tmpdir/scmroot/dummypkg
Cloning into '/var/lib/mock/v8.3-u-stormi1-8246-24438/root/chroot_tmpdir/scmroot/dummypkg'...
$ git reset --hard e367521ab37854bb06112290a6053d1d3d88dc7b
HEAD is now at e367521 bump release for test build