$ git clone -n https://src.fedoraproject.org/rpms/gv.git /var/lib/mock/f40-build-2290413-55978/root/chroot_tmpdir/scmroot/gv
Cloning into '/var/lib/mock/f40-build-2290413-55978/root/chroot_tmpdir/scmroot/gv'...
$ git fetch origin 5c7bc1aac31c768b7bf720b088c2431d3f42847a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gv
 * [new ref]         5c7bc1aac31c768b7bf720b088c2431d3f42847a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c7bc1a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild