$ git clone -n https://src.fedoraproject.org/rpms/libmicrohttpd.git /var/lib/mock/f45-build-16554-487/root/chroot_tmpdir/scmroot/libmicrohttpd
Cloning into '/var/lib/mock/f45-build-16554-487/root/chroot_tmpdir/scmroot/libmicrohttpd'...
$ git fetch origin c6d7f1a23d462a2ba3535b6dfd776300c46838ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmicrohttpd
 * [new ref]         c6d7f1a23d462a2ba3535b6dfd776300c46838ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c6d7f1a Update to 1:1.0.10