$ git clone -n https://src.fedoraproject.org/rpms/gqrx.git /var/lib/mock/f40-build-2314549-57814/root/chroot_tmpdir/scmroot/gqrx
Cloning into '/var/lib/mock/f40-build-2314549-57814/root/chroot_tmpdir/scmroot/gqrx'...
$ git fetch origin f458cf6efdf70508c0e35fcc4689d751bbb00b2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gqrx
 * [new ref]         f458cf6efdf70508c0e35fcc4689d751bbb00b2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f458cf6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild