$ git clone -n https://src.fedoraproject.org/rpms/kf6-kwallet.git /var/lib/mock/f40-build-2198454-51695/root/chroot_tmpdir/scmroot/kf6-kwallet
Cloning into '/var/lib/mock/f40-build-2198454-51695/root/chroot_tmpdir/scmroot/kf6-kwallet'...
$ git fetch origin 1fa455b33f78b900381c77a48281f52cecf878a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kwallet
 * [new ref]         1fa455b33f78b900381c77a48281f52cecf878a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1fa455b 5.247.0