$ git clone -n https://src.fedoraproject.org/rpms/umbrello.git /var/lib/mock/f41-build-856469-167627/root/chroot_tmpdir/scmroot/umbrello
Cloning into '/var/lib/mock/f41-build-856469-167627/root/chroot_tmpdir/scmroot/umbrello'...
$ git fetch origin 9010928c5ea3eda0fe23b2deda92a0ba8cd20ab5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/umbrello
 * [new ref]         9010928c5ea3eda0fe23b2deda92a0ba8cd20ab5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9010928 24.08.2