$ git clone -n https://github.com/xcp-ng-rpms/xapi.git /var/lib/mock/v8.3-u-gtn1-8392-25082/root/chroot_tmpdir/scmroot/xapi
Cloning into '/var/lib/mock/v8.3-u-gtn1-8392-25082/root/chroot_tmpdir/scmroot/xapi'...
$ git reset --hard 53076e17501b15f591fc853d726f0df83d7c4747
fatal: Could not parse object '53076e17501b15f591fc853d726f0df83d7c4747'.