$ git clone -n https://github.com/xcp-ng-rpms/dummypkg.git /var/lib/mock/v8.3-u-stormi1-8248-24438/root/chroot_tmpdir/scmroot/dummypkg
Cloning into '/var/lib/mock/v8.3-u-stormi1-8248-24438/root/chroot_tmpdir/scmroot/dummypkg'...
$ git reset --hard 9a6cf3a3cb07f0523ff074499297803c1a06f207
HEAD is now at 9a6cf3a bump release for test build