$ git clone -n https://src.fedoraproject.org/rpms/lua-markdown.git /var/lib/mock/f41-build-1029195-18375/root/chroot_tmpdir/scmroot/lua-markdown
Cloning into '/var/lib/mock/f41-build-1029195-18375/root/chroot_tmpdir/scmroot/lua-markdown'...
$ git fetch origin 1d74d6139f74b15ee24da238d361a9e9a3b3fb1e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-markdown
 * [new ref]         1d74d6139f74b15ee24da238d361a9e9a3b3fb1e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d74d61 Eliminate use of obsolete %patchN syntax (#2283636)