$ git clone -n https://src.fedoraproject.org/rpms/rust-slog-term.git /var/lib/mock/f40-build-2183892-51268/root/chroot_tmpdir/scmroot/rust-slog-term
Cloning into '/var/lib/mock/f40-build-2183892-51268/root/chroot_tmpdir/scmroot/rust-slog-term'...
$ git fetch origin d651cc1bde9970ef19c75a9fb239a5250bd2b6c6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-slog-term
 * [new ref]         d651cc1bde9970ef19c75a9fb239a5250bd2b6c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d651cc1 Regenerate with rust2rpm v24