$ git clone -n https://github.com/xcp-ng-rpms/xcp-ng-release.git /var/lib/mock/v8.3-incoming-8545-25980/root/chroot_tmpdir/scmroot/xcp-ng-release
Cloning into '/var/lib/mock/v8.3-incoming-8545-25980/root/chroot_tmpdir/scmroot/xcp-ng-release'...
$ git reset --hard 5d57258a6d30c4b663086ab8feca41433e8c6e70
fatal: Could not parse object '5d57258a6d30c4b663086ab8feca41433e8c6e70'.