$ git clone -n https://src.fedoraproject.org/rpms/rust-llvm-bitcode.git /var/lib/mock/f40-build-2656184-66913/root/chroot_tmpdir/scmroot/rust-llvm-bitcode
Cloning into '/var/lib/mock/f40-build-2656184-66913/root/chroot_tmpdir/scmroot/rust-llvm-bitcode'...
$ git fetch origin 92ebb672c9ec5613b5bcf71f4033f60cd73590aa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-llvm-bitcode
 * [new ref]         92ebb672c9ec5613b5bcf71f4033f60cd73590aa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 92ebb67 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild