$ git clone -n https://src.fedoraproject.org/rpms/nekohtml.git /var/lib/mock/f40-build-2673956-67667/root/chroot_tmpdir/scmroot/nekohtml
Cloning into '/var/lib/mock/f40-build-2673956-67667/root/chroot_tmpdir/scmroot/nekohtml'...
$ git fetch origin 31f82bb47409a00ce99d2fcbc311a6fc8b6c0b2e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nekohtml
 * [new ref]         31f82bb47409a00ce99d2fcbc311a6fc8b6c0b2e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31f82bb Rebuilt for java-21-openjdk as system jdk