$ git clone -n https://src.fedoraproject.org/rpms/kf5-kdeclarative.git /var/lib/mock/f40-build-788001-134983/root/chroot_tmpdir/scmroot/kf5-kdeclarative
Cloning into '/var/lib/mock/f40-build-788001-134983/root/chroot_tmpdir/scmroot/kf5-kdeclarative'...
$ git fetch origin b25eb7dd38003e9817f9c12480648c620e78ae3c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kdeclarative
 * [new ref]         b25eb7dd38003e9817f9c12480648c620e78ae3c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b25eb7d 5.115.0