$ git clone -n https://src.fedoraproject.org/rpms/rust-snafu.git /var/lib/mock/f40-build-2327578-58858/root/chroot_tmpdir/scmroot/rust-snafu
Cloning into '/var/lib/mock/f40-build-2327578-58858/root/chroot_tmpdir/scmroot/rust-snafu'...
$ git fetch origin f8d06a4d240360b63c58be6d9d81619ca5ed486a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-snafu
 * [new ref]         f8d06a4d240360b63c58be6d9d81619ca5ed486a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f8d06a4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild