$ git clone -n https://github.com/xcp-ng-rpms/xsconsole.git /var/lib/mock/v8.3-incoming-9204-27998/root/chroot_tmpdir/scmroot/xsconsole
Cloning into '/var/lib/mock/v8.3-incoming-9204-27998/root/chroot_tmpdir/scmroot/xsconsole'...
$ git fetch origin fa7a7a8ea18a03bc6731a1c5d0ad138d4412dc3f:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/xsconsole
 * [new ref]         fa7a7a8ea18a03bc6731a1c5d0ad138d4412dc3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa7a7a8 Import xsconsole-11.0.9.1-1.xs8.src.rpm