$ git clone -n https://src.fedoraproject.org/rpms/rust-structopt.git /var/lib/mock/f40-build-2063837-49167/root/chroot_tmpdir/scmroot/rust-structopt
Cloning into '/var/lib/mock/f40-build-2063837-49167/root/chroot_tmpdir/scmroot/rust-structopt'...
$ git fetch origin 3ed476bd8bcd629a4b6cb340de30c4ebff1cb79e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-structopt
 * [new ref]         3ed476bd8bcd629a4b6cb340de30c4ebff1cb79e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3ed476b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild