$ git clone -n https://github.com/xcp-ng-rpms/xsconsole.git /var/lib/mock/v8.3-u-prebuild-9294-28065/root/chroot_tmpdir/scmroot/xsconsole
Cloning into '/var/lib/mock/v8.3-u-prebuild-9294-28065/root/chroot_tmpdir/scmroot/xsconsole'...
$ git fetch origin 5693a13a68ad1e1abc5e149d64dc6673ddb337c5:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xsconsole
 * [new ref]         5693a13a68ad1e1abc5e149d64dc6673ddb337c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5693a13 bump release for test build