$ git clone -n https://src.fedoraproject.org/rpms/python-xunitparser.git /var/lib/mock/f42-build-3403733-45135/root/chroot_tmpdir/scmroot/python-xunitparser
Cloning into '/var/lib/mock/f42-build-3403733-45135/root/chroot_tmpdir/scmroot/python-xunitparser'...
$ git fetch origin 517dbd54e328bd7355e70300113dcf843217104f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-xunitparser
 * [new ref]         517dbd54e328bd7355e70300113dcf843217104f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 517dbd5 Orphaned for 6+ weeks