$ git clone -n https://src.fedoraproject.org/rpms/rust-futures-executor.git /var/lib/mock/f39-build-1499710-34761/root/chroot_tmpdir/scmroot/rust-futures-executor
Cloning into '/var/lib/mock/f39-build-1499710-34761/root/chroot_tmpdir/scmroot/rust-futures-executor'...
$ git fetch origin 0f3bb28c591080a9f3998ce55e6e05a4cb7bfad2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-futures-executor
 * [new ref]         0f3bb28c591080a9f3998ce55e6e05a4cb7bfad2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f3bb28 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild