$ git clone -n https://src.fedoraproject.org/rpms/binaryen.git /var/lib/mock/f41-build-1046662-19094/root/chroot_tmpdir/scmroot/binaryen
Cloning into '/var/lib/mock/f41-build-1046662-19094/root/chroot_tmpdir/scmroot/binaryen'...
$ git fetch origin 2ed4ebd36edfe97998ceb738fc99af08b688551e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/binaryen
 * [new ref]         2ed4ebd36edfe97998ceb738fc99af08b688551e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ed4ebd Eliminate use of obsolete %patchN syntax (#2283636)