$ git clone -n https://src.fedoraproject.org/rpms/morphio.git /var/lib/mock/f39-build-1884016-42771/root/chroot_tmpdir/scmroot/morphio
Cloning into '/var/lib/mock/f39-build-1884016-42771/root/chroot_tmpdir/scmroot/morphio'...
$ git fetch origin 9ad4d9b825cbc0cd58f67f8484945bd7733ddcfa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/morphio
 * [new ref]         9ad4d9b825cbc0cd58f67f8484945bd7733ddcfa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ad4d9b Include the actual patch