$ git clone -n https://src.fedoraproject.org/rpms/kf5-khtml.git /var/lib/mock/f38-build-729662-101821/root/chroot_tmpdir/scmroot/kf5-khtml
Cloning into '/var/lib/mock/f38-build-729662-101821/root/chroot_tmpdir/scmroot/kf5-khtml'...
$ git fetch origin a9547246bdcacb76df6d26cb6e1b74eb1ee3f637:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-khtml
 * [new ref]         a9547246bdcacb76df6d26cb6e1b74eb1ee3f637 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a954724 5.107.0