$ git clone -n https://src.fedoraproject.org/rpms/oxygen-fonts.git /var/lib/mock/f40-build-1179317-21865/root/chroot_tmpdir/scmroot/oxygen-fonts
Cloning into '/var/lib/mock/f40-build-1179317-21865/root/chroot_tmpdir/scmroot/oxygen-fonts'...
$ git fetch origin 157ffd304ca66b1f413d015622c0ff5fbd84a687:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/oxygen-fonts
 * [new ref]         157ffd304ca66b1f413d015622c0ff5fbd84a687 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 157ffd3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild