$ git clone -n https://src.fedoraproject.org/rpms/llvm-bolt.git /var/lib/mock/f40-build-792333-138330/root/chroot_tmpdir/scmroot/llvm-bolt
Cloning into '/var/lib/mock/f40-build-792333-138330/root/chroot_tmpdir/scmroot/llvm-bolt'...
$ git fetch origin 81b1697a0b43214413ad2ef43908d1de41d601b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/llvm-bolt
 * [new ref]         81b1697a0b43214413ad2ef43908d1de41d601b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81b1697 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild