$ git clone -n https://src.fedoraproject.org/rpms/rust-async-net.git /var/lib/mock/f45-build-40277-770/root/chroot_tmpdir/scmroot/rust-async-net
Cloning into '/var/lib/mock/f45-build-40277-770/root/chroot_tmpdir/scmroot/rust-async-net'...
$ git fetch origin 05d2e185082bee5c28a89596c8a58b4b88d47621:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-async-net
 * [new ref]         05d2e185082bee5c28a89596c8a58b4b88d47621 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05d2e18 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild