$ git clone -n https://src.fedoraproject.org/rpms/oxygen-icon-theme.git /var/lib/mock/f40-build-2300677-56732/root/chroot_tmpdir/scmroot/oxygen-icon-theme
Cloning into '/var/lib/mock/f40-build-2300677-56732/root/chroot_tmpdir/scmroot/oxygen-icon-theme'...
$ git fetch origin 6c8d023b7d3627ac85a7af2f87649610facbea80:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/oxygen-icon-theme
 * [new ref]         6c8d023b7d3627ac85a7af2f87649610facbea80 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c8d023 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild