$ git clone -n https://github.com/xcp-ng-rpms/samba /var/lib/mock/v8.3-u-ydi1-8460-25461/root/chroot_tmpdir/scmroot/samba
Cloning into '/var/lib/mock/v8.3-u-ydi1-8460-25461/root/chroot_tmpdir/scmroot/samba'...
$ git reset --hard ab8f57a8b8bf52a5b90b82f6383042cad59c2da4
fatal: Could not parse object 'ab8f57a8b8bf52a5b90b82f6383042cad59c2da4'.