$ git clone -n https://src.fedoraproject.org/rpms/castget.git /var/lib/mock/f40-build-2283417-55588/root/chroot_tmpdir/scmroot/castget
Cloning into '/var/lib/mock/f40-build-2283417-55588/root/chroot_tmpdir/scmroot/castget'...
$ git fetch origin 89e0bcd6ed101060bb2d1f3a03b03542c249cb6b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/castget
 * [new ref]         89e0bcd6ed101060bb2d1f3a03b03542c249cb6b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89e0bcd Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild