$ git clone -n https://src.fedoraproject.org/rpms/rapidxml.git /var/lib/mock/f41-build-700871-12894/root/chroot_tmpdir/scmroot/rapidxml
Cloning into '/var/lib/mock/f41-build-700871-12894/root/chroot_tmpdir/scmroot/rapidxml'...
$ git fetch origin 76b16c67fc478e46cdfafd9b4d06d4fc3c6270d6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rapidxml
 * [new ref]         76b16c67fc478e46cdfafd9b4d06d4fc3c6270d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76b16c6 Eliminate use of obsolete %patchN syntax (#2283636)