$ git clone -n https://src.fedoraproject.org/rpms/rust-hex-literal-impl.git /var/lib/mock/f40-build-2641675-66432/root/chroot_tmpdir/scmroot/rust-hex-literal-impl
Cloning into '/var/lib/mock/f40-build-2641675-66432/root/chroot_tmpdir/scmroot/rust-hex-literal-impl'...
$ git fetch origin 97b1566b360de6369acf5844cd4f0aa3f6ae9456:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-hex-literal-impl
 * [new ref]         97b1566b360de6369acf5844cd4f0aa3f6ae9456 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 97b1566 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild