$ git clone -n https://src.fedoraproject.org/rpms/rust-rustyline-derive.git /var/lib/mock/f45-build-44624-815/root/chroot_tmpdir/scmroot/rust-rustyline-derive
Cloning into '/var/lib/mock/f45-build-44624-815/root/chroot_tmpdir/scmroot/rust-rustyline-derive'...
$ git fetch origin a4562170b05d499c3f8f207d3f431345d01a5cab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rustyline-derive
 * [new ref]         a4562170b05d499c3f8f207d3f431345d01a5cab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a456217 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild