$ git clone -n https://src.fedoraproject.org/rpms/rust-lv2-time.git /var/lib/mock/f45-build-43076-799/root/chroot_tmpdir/scmroot/rust-lv2-time
Cloning into '/var/lib/mock/f45-build-43076-799/root/chroot_tmpdir/scmroot/rust-lv2-time'...
$ git fetch origin 2cbdddb7240f5b56c829e0652848b8a92cd10cd1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-lv2-time
 * [new ref]         2cbdddb7240f5b56c829e0652848b8a92cd10cd1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2cbdddb Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild