$ git clone -n https://src.fedoraproject.org/rpms/simh.git /var/lib/mock/f41-build-814532-14252/root/chroot_tmpdir/scmroot/simh
Cloning into '/var/lib/mock/f41-build-814532-14252/root/chroot_tmpdir/scmroot/simh'...
$ git fetch origin a2619cd34cc0b29c5f60dd5c5277c9c660d5d878:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/simh
 * [new ref]         a2619cd34cc0b29c5f60dd5c5277c9c660d5d878 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a2619cd Eliminate use of obsolete %patchN syntax (#2283636)