$ git clone -n https://src.fedoraproject.org/rpms/fonts-rpm-macros.git /var/lib/mock/f41-build-749013-13368/root/chroot_tmpdir/scmroot/fonts-rpm-macros
Cloning into '/var/lib/mock/f41-build-749013-13368/root/chroot_tmpdir/scmroot/fonts-rpm-macros'...
$ git fetch origin 766a512db1ac753382166fe5d9ff7c97614caa1c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fonts-rpm-macros
 * [new ref]         766a512db1ac753382166fe5d9ff7c97614caa1c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 766a512 Eliminate use of obsolete %patchN syntax (#2283636)