$ git clone -n https://src.fedoraproject.org/rpms/gr-osmosdr.git /var/lib/mock/f40-build-782804-132279/root/chroot_tmpdir/scmroot/gr-osmosdr
Cloning into '/var/lib/mock/f40-build-782804-132279/root/chroot_tmpdir/scmroot/gr-osmosdr'...
$ git fetch origin 964e49fdc8b6fb2d112c98760da33044a612fb09:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gr-osmosdr
 * [new ref]         964e49fdc8b6fb2d112c98760da33044a612fb09 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 964e49f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild