$ git clone -n https://src.fedoraproject.org/rpms/gfs-didot-fonts.git /var/lib/mock/f39-build-1762228-41498/root/chroot_tmpdir/scmroot/gfs-didot-fonts
Cloning into '/var/lib/mock/f39-build-1762228-41498/root/chroot_tmpdir/scmroot/gfs-didot-fonts'...
$ git fetch origin d2726b2a9af3e35eefa8fdb5be59a13f02f262c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gfs-didot-fonts
 * [new ref]         d2726b2a9af3e35eefa8fdb5be59a13f02f262c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2726b2 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild