$ git clone -n https://src.fedoraproject.org/rpms/rust-simplelog0.11.git /var/lib/mock/f45-build-44980-820/root/chroot_tmpdir/scmroot/rust-simplelog0.11
Cloning into '/var/lib/mock/f45-build-44980-820/root/chroot_tmpdir/scmroot/rust-simplelog0.11'...
$ git fetch origin 135f6c386340a887e0fda511de4cd781d50c4430:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-simplelog0.11
 * [new ref]         135f6c386340a887e0fda511de4cd781d50c4430 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 135f6c3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild