$ git clone -n https://src.fedoraproject.org/rpms/libmicrohttpd.git /var/lib/mock/f39-build-1496160-34548/root/chroot_tmpdir/scmroot/libmicrohttpd
Cloning into '/var/lib/mock/f39-build-1496160-34548/root/chroot_tmpdir/scmroot/libmicrohttpd'...
$ git fetch origin 494ba4a05c89468e1e3b2209c545f3d2c134cbc1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libmicrohttpd
 * [new ref]         494ba4a05c89468e1e3b2209c545f3d2c134cbc1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 494ba4a migrate to SPDX license format