$ git clone -n https://src.fedoraproject.org/rpms/rust-flume.git /var/lib/mock/f40-build-737391-13289/root/chroot_tmpdir/scmroot/rust-flume
Cloning into '/var/lib/mock/f40-build-737391-13289/root/chroot_tmpdir/scmroot/rust-flume'...
$ git fetch origin f906a466d6bb124bf05678a3989510ddad9e7ab6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-flume
 * [new ref]         f906a466d6bb124bf05678a3989510ddad9e7ab6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f906a46 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild