$ git clone -n https://src.fedoraproject.org/rpms/python-osc-lib.git /var/lib/mock/f40-build-2302965-56916/root/chroot_tmpdir/scmroot/python-osc-lib
Cloning into '/var/lib/mock/f40-build-2302965-56916/root/chroot_tmpdir/scmroot/python-osc-lib'...
$ git fetch origin 4ea2935b68c59eae9508fa9b183aa4c2f09ee11e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-osc-lib
 * [new ref]         4ea2935b68c59eae9508fa9b183aa4c2f09ee11e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ea2935 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild