$ git clone -n https://src.fedoraproject.org/rpms/python-typecode-libmagic.git /var/lib/mock/f39-build-2233931-53383/root/chroot_tmpdir/scmroot/python-typecode-libmagic
Cloning into '/var/lib/mock/f39-build-2233931-53383/root/chroot_tmpdir/scmroot/python-typecode-libmagic'...
$ git fetch origin 671b21de36c39ac9883889e478774b3222980cc0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-typecode-libmagic
 * [new ref]         671b21de36c39ac9883889e478774b3222980cc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 671b21d Fix patch