$ git clone -n https://src.fedoraproject.org/rpms/gtk-murrine-engine.git /var/lib/mock/f41-build-778303-13541/root/chroot_tmpdir/scmroot/gtk-murrine-engine
Cloning into '/var/lib/mock/f41-build-778303-13541/root/chroot_tmpdir/scmroot/gtk-murrine-engine'...
$ git fetch origin e8282bfbf413e8c9877d0074f095bf78430c4755:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gtk-murrine-engine
 * [new ref]         e8282bfbf413e8c9877d0074f095bf78430c4755 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8282bf Eliminate use of obsolete %patchN syntax (#2283636)