$ git clone -n https://src.fedoraproject.org/rpms/rust-blocking.git /var/lib/mock/f40-build-2565960-62189/root/chroot_tmpdir/scmroot/rust-blocking
Cloning into '/var/lib/mock/f40-build-2565960-62189/root/chroot_tmpdir/scmroot/rust-blocking'...
$ git fetch origin 560375219dda795ef558ad8f4c25eba25044b117:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-blocking
 * [new ref]         560375219dda795ef558ad8f4c25eba25044b117 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5603752 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild