$ git clone -n https://src.fedoraproject.org/rpms/kf5-kwallet.git /var/lib/mock/f40-build-2125979-50780/root/chroot_tmpdir/scmroot/kf5-kwallet
Cloning into '/var/lib/mock/f40-build-2125979-50780/root/chroot_tmpdir/scmroot/kf5-kwallet'...
$ git fetch origin 40fa83701f3520176922fe0d9b8064cff6628dcf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kwallet
 * [new ref]         40fa83701f3520176922fe0d9b8064cff6628dcf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40fa837 5.113.0