$ git clone -n https://src.fedoraproject.org/rpms/rust-quinn-udp.git /var/lib/mock/f40-build-2654453-66906/root/chroot_tmpdir/scmroot/rust-quinn-udp
Cloning into '/var/lib/mock/f40-build-2654453-66906/root/chroot_tmpdir/scmroot/rust-quinn-udp'...
$ git fetch origin 252ea9303e9e698edd2d911027d071841f1c153d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-quinn-udp
 * [new ref]         252ea9303e9e698edd2d911027d071841f1c153d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 252ea93 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild