$ git clone -n https://src.fedoraproject.org/rpms/kf6-solid.git /var/lib/mock/f40-build-754834-117978/root/chroot_tmpdir/scmroot/kf6-solid
Cloning into '/var/lib/mock/f40-build-754834-117978/root/chroot_tmpdir/scmroot/kf6-solid'...
$ git fetch origin 7092af129968c9b000e729b1e85cc7c6c634e04c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-solid
 * [new ref]         7092af129968c9b000e729b1e85cc7c6c634e04c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7092af1 fix: add missing sources