$ git clone -n https://src.fedoraproject.org/rpms/nextpnr.git /var/lib/mock/f38-build-719909-97316/root/chroot_tmpdir/scmroot/nextpnr
Cloning into '/var/lib/mock/f38-build-719909-97316/root/chroot_tmpdir/scmroot/nextpnr'...
$ git fetch origin c6d59fd4569e42759182fee367452c2fd261a13c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nextpnr
 * [new ref]         c6d59fd4569e42759182fee367452c2fd261a13c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c6d59fd update to newer snapshot