$ git clone -n https://src.fedoraproject.org/rpms/kf6-kwallet.git /var/lib/mock/f40-build-788141-135049/root/chroot_tmpdir/scmroot/kf6-kwallet
Cloning into '/var/lib/mock/f40-build-788141-135049/root/chroot_tmpdir/scmroot/kf6-kwallet'...
$ git fetch origin 6e944e3bff19e5b6777642a04a2ec53f5e5aa915:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kwallet
 * [new ref]         6e944e3bff19e5b6777642a04a2ec53f5e5aa915 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6e944e3 6.0.0