$ git clone -n https://src.fedoraproject.org/rpms/python-glue.git /var/lib/mock/f41-build-1309823-23503/root/chroot_tmpdir/scmroot/python-glue
Cloning into '/var/lib/mock/f41-build-1309823-23503/root/chroot_tmpdir/scmroot/python-glue'...
$ git fetch origin 16d0104f8e688901ef77f56cf737c7c4a5fd2e31:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-glue
 * [new ref]         16d0104f8e688901ef77f56cf737c7c4a5fd2e31 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16d0104 Orphaned for 6+ weeks