$ git clone -n https://src.fedoraproject.org/rpms/rust-docopt.git /var/lib/mock/f40-build-2655391-66911/root/chroot_tmpdir/scmroot/rust-docopt
Cloning into '/var/lib/mock/f40-build-2655391-66911/root/chroot_tmpdir/scmroot/rust-docopt'...
$ git fetch origin 9a4ec1f3d7f2998201ef54d8f49f247110a4127a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-docopt
 * [new ref]         9a4ec1f3d7f2998201ef54d8f49f247110a4127a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a4ec1f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild