$ git clone -n https://src.fedoraproject.org/rpms/rust-async-channel.git /var/lib/mock/f40-build-2071627-49322/root/chroot_tmpdir/scmroot/rust-async-channel
Cloning into '/var/lib/mock/f40-build-2071627-49322/root/chroot_tmpdir/scmroot/rust-async-channel'...
$ git fetch origin 8c7236ea0e56d67398f2a6cab68e99592fb6dafc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-async-channel
 * [new ref]         8c7236ea0e56d67398f2a6cab68e99592fb6dafc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c7236e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild